Transcript
O P E R AT I N G I N S T R U C T I O N S
VMS 420/VMS 520 Volume Measurement System Laser performance VMS 420: 7.5 mW Laser performance VMS 520: 4 mW
SoftwareStand
Operating Instructions VMS 420/520
Software version described Software/tool
Function
Status
VMD 4201000
Firmware
V 1.15 or higher
VMD 5000000
Firmware
V 1.13 or higher
Device description for VMD 420
Device specific software module for SOPAS
V 01.01.15 or higher
Device description for VMD 520
Device specific software module for SOPAS Configuration software
V 01.01.13 or higher
SOPAS
V 02.04 or higher
The VMS volume measurement system is intended exclusively for use in industrial environments. When used in residential areas it can cause interferences. ATTENTION
Copyright Copyright © 2005 SICK AG Waldkirch Auto Ident, Werk Reute Nimburger Straße 11 79276 Reute Germany Trademarks Windows 98, Windows NT 4.0, Windows 2000, Windows XP and Internet Explorer are registered trademarks of Microsoft Corporation in the USA and other countries. Version of the operating instructions The newest version of these operating instructions can be obtained as PDF at www.sick.com.
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Operating Instructions
Schnell zum Ziel
VMS 420/520
Getting started … •
Delivery scope – Section 3.1 “Delivery” on page 18
•
WARNING! – Chapter 2 “For your safety” on page 13
•
Mounting and adjusting the device – Chapter 4 “Mounting” on page 30
•
Connecting the device electrically – Chapter 5 “Electrical installation” on page 35
•
Familiarisation with the device and its functions in general – Chapter 3 “Product description” on page 18 – Chapter 3.8 “Data communication” on page 28 – Chapter 10 “Technical specifications” on page 48
•
Setting the device up for measurement – Chapter 7 “Configuration” on page 40
•
Help with resolving problems – Chapter 9 “Troubleshooting” on page 47
•
Where is what? – “Table of contents” on page 5
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Schnell zum Ziel
Operating Instructions VMS 420/520
Installation steps (overview) 1. Check delivery for completeness. 2. Mount the VMD over the transporting system. 3. Connect VMD to voltage supply and adjust. 4. Switch on PC and start Windows (minimum requirement: Windows 98). 5. Install enclosed SOPAS configuration software from CD-ROM on PC. 6. Connect PC to VMD using terminal interface. For this purpose use a 3-core RS-232 data cable (null modem cable). 7. Start the SOPAS configuration software user interface. 8. On the file card SCAN ASSISTANT click on CONFIGURATION; select interface and configure. 9. Click on SCAN DEVICES, select device from SUITABLE DEVICE TYPES. 10. From the OPTIONS menu select the LOGIN DEVICE command and log in to the system as AUTHORISED CLIENT. For the VMS 420 use the password “client”. For the VMS 520 use the password “VMS_400”. Don’t switch off the voltage supply during configuration! Switching off the voltage supply during configuration causes all parameters already configured to be lost. ATTENTION 11. Configure the both VMD with the aid of the options on the project tree, VMDX20-XX00, PARAMETER, SUBPARAMETER for the desired application. SOPAS transfers the parameters immediately into a temporary memory of the VMS so that you are able to check the effect of these parameters immediately. 12. Checking the measurement area of the system (project tree, VMDX20-XX00, MONITOR). 13. The fixed factory setting for the terminal interface (RS232) is 9600 Baud. If the data transmission is to be made over a different interface with a higher Baud rate, then the required interface must now be configured (project tree, VMDX20-XX00, PARAMETER, DATA INTERFACE). 14. If the measurement/data output is to be started via an external encoder (hardware trigger), then this trigger must now be configured (project tree, VMDX20-XX00, PARAMETER, TRIGGER SETTINGS and project tree, VMDX20-XX00, PARAMETER, DIGITAL I/O, SYNC. ). 15. Perform test on the configuration under real conditions. Recommendation
Use the graphic scan view in SOPAS to verify the measured values generated and to verify the measurement area online. During this process, note that the monitor cannot display the data in real-time and therefore does not display all measured values. 16. If necessary, correct and optimise the parameters set. 17. Save parameter set permanently to the VMD (menu VMDX20-XX00, PARAMETER, SAVE PERMANENT). 18. Save parameter record as a configuration file (extension “*.scl”) (menu PROJECT, SAVE PROJECT AS…). 19. The VMS is ready for use with the application-specific configuration.
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Operating Instructions
Inhalt
VMS 420/520
Table of contents 1 1.1 1.2
1.3 1.4 2 2.1
2.2 2.3 2.4 2.5
2.6
3 3.1 3.2 3.3 3.4
3.5
3.6 3.7 3.8
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About this document ............................................................................................. 11 Function of this document ........................................................................................ 11 Target group .............................................................................................................. 11 1.2.1 Mounting, electrical installation, maintenance and replacement ........ 11 1.2.2 Commissioning, operation and configuration ........................................ 11 Depth of information ................................................................................................. 11 Symbology used ........................................................................................................ 12 For your safety ....................................................................................................... 13 Authorised personnel ................................................................................................ 13 2.1.1 Mounting and maintenance .................................................................... 13 2.1.2 Electrical installation and replacement .................................................. 13 2.1.3 Commissioning, operation and configuration ........................................ 13 Applications of the device ........................................................................................ 13 Correct use ................................................................................................................ 13 General safety notes and protective measures ...................................................... 14 Quick stop and Quick restart .................................................................................... 16 2.5.1 Switch off VMS ......................................................................................... 16 2.5.2 Switch VMS back on ................................................................................. 16 Environmental protection ......................................................................................... 17 2.6.1 Power consumption ................................................................................. 17 2.6.2 Disposal after final de-commissioning ................................................... 17 Product description ............................................................................................... 18 Delivery ...................................................................................................................... 18 Special features ........................................................................................................ 18 Calibration of the VMS 520 ...................................................................................... 19 Planning ..................................................................................................................... 21 3.4.1 System requirements VMS volume measurement system ................... 21 3.4.2 Object specifications ................................................................................ 22 3.4.3 Mounting requirements ........................................................................... 23 Operating principle of the device ............................................................................. 24 3.5.1 Device components ................................................................................. 24 3.5.2 Operating principle VMS .......................................................................... 25 3.5.3 Measuring modes .................................................................................... 26 Status indicators ....................................................................................................... 27 Scale intervals of the VMS ........................................................................................ 28 Data communication ................................................................................................. 28 3.8.1 Interface specification ............................................................................. 28 3.8.2 Frame and coding for the messages ...................................................... 29
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Inhalt
Operating Instructions VMS 420/520
4 4.1 4.2
4.3 4.4
4.5 5 5.1 5.2 5.3
5.4 5.5
6 7 7.1 7.2
8 8.1 8.2 8.3 9 9.1 9.2 9.3
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Mounting ................................................................................................................30 Overview of the mounting steps .............................................................................. 30 Preparations for mounting ....................................................................................... 30 4.2.1 Components to be mounted ................................................................... 30 4.2.2 Necessary accessories ............................................................................ 31 4.2.3 Necessary tools ........................................................................................ 31 4.2.4 Mounting accessories ............................................................................. 32 Mounting the VMD .................................................................................................... 33 Adjustment of the VMD ............................................................................................ 34 4.4.1 Adjustment of the angle ...................................................................... 34 4.4.2 Adjustment of the angle ....................................................................... 34 4.4.3 Adjustment of the angle ....................................................................... 34 4.4.4 Checking the evenness of the coverage of the scan lines on both VMD ............................................................................................ 34 Dismounting the system .......................................................................................... 34 Electrical installation ............................................................................................35 Overview of the installation steps ........................................................................... 35 Electrical connections and cables ........................................................................... 35 Pin assignment of the connections ......................................................................... 36 5.3.1 “Ethernet” connection ............................................................................. 36 5.3.2 “System” connection ............................................................................... 36 5.3.3 “I/O” connection ...................................................................................... 37 5.3.4 “Serial” connection .................................................................................. 37 Connection via the plug cover ................................................................................. 38 Performing electrical installation ............................................................................. 38 5.5.1 Overview of the connection steps .......................................................... 38 5.5.2 Equipment ................................................................................................ 38 5.5.3 Connecting the voltage supply ................................................................ 38 5.5.4 Connecting the PC ................................................................................... 38 Commissioning ......................................................................................................39 Configuration .........................................................................................................40 Preparing the configuration ..................................................................................... 40 Configuring the VMS online or offline ...................................................................... 40 7.2.1 Configuring VMD (master) using SOPAS ................................................ 42 7.2.2 Configuring VMD (slave) using SOPAS ................................................... 43 7.2.3 Correcting distance between both VMD ................................................ 43 7.2.4 Connection and test measurement ........................................................ 43 7.2.5 Configuration of the laser control ........................................................... 43 7.2.6 Ethernet configuration ............................................................................. 44 7.2.7 CAN configuration .................................................................................... 44 Maintenance ..........................................................................................................45 Maintenance during operation ................................................................................ 45 Disposal ..................................................................................................................... 46 Replacement of a system or replacement of components .................................... 46 Troubleshooting .....................................................................................................47 In the event of faults or errors ................................................................................. 47 Error on beam generation ........................................................................................ 47 Detailed error analysis ............................................................................................. 47 9.3.1 Query system status ................................................................................ 47 9.3.2 Logging data during operation ................................................................ 47
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Operating Instructions
Inhalt
VMS 420/520
10 Technical specifications ....................................................................................... 48 10.1 Data sheet volume measurement system VMS 420/520 ..................................... 48 10.2 Dimensional drawings .............................................................................................. 49 10.2.1 Dimensional drawing VMS volume measurement system .................... 49 10.2.2 Dimensional drawing mounting kit mounting bracket .......................... 50 10.2.3 Dimensional drawing mounting kit mounting block .............................. 51 10.2.4 Dimensional drawing hollow shaft for mounting the VMS .................... 51 Annex ..................................................................................................................... 52 11 11.1 Overview of the annexes ........................................................................................... 52 11.2 Message reference ................................................................................................... 52 11.2.1 Object start message ............................................................................... 52 11.2.2 Object end message ................................................................................ 52 11.2.3 Idle message (option) .............................................................................. 52 11.2.4 Operational message (option) ................................................................. 53 11.2.5 Status query ............................................................................................. 53 11.2.6 Basic message (DI) data .......................................................................... 54 11.2.7 Advanced message (DI) data .................................................................. 55 11.3 Ordering information ................................................................................................. 56 11.3.1 Available systems ..................................................................................... 56 11.3.2 Accessories/spare parts .......................................................................... 56 11.4 Glossary ..................................................................................................................... 58 11.5 Illustration containing the EU Declaration of Conformity ....................................... 60 11.6 Illustration of the OIML conformity certificate ......................................................... 61 11.7 Illustration of the test certificate issued by the National Metrology Institute (Physikalisch-Technische Bundesanstalt) ............................................................... 62
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Verzeichnisse
Operating Instructions VMS 420/520
Abbreviations BCC
Block Character Check
CAN
Controller Area Network = standardised fieldbus system with message-based protocol for exchanging data
CS EEPROM HTML LED
Electrically Erasable Programmable Read-only Memory Hypertext Markup Language = page description language on the Internet Light Emitting Diode
RAM
Random Access Memory = volatile memory with direct access
ROM
Read-only memory (permanent)
SOPAS SST
8
Checksum
SICK OPEN PORTAL for APPLICATION and SYSTEMS Engineering Tool = configuration software for the configuration of the VMS Interface
VMD
Volume measurement device = scanner head
VMS
Volume measurement system
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Operating Instructions
Verzeichnisse
VMS 420/520
Tables Tab. 1:
Certified, measurable object dimensions ............................................................ 19
Tab. 2:
Minimum and maximum object dimensions ....................................................... 22
Tab. 3:
Significance of the LEDs ....................................................................................... 27
Tab. 4:
Typical scale intervals ........................................................................................... 28
Tab. 5:
Frame for the messages on the terminal interface or the host interface ......... 29
Tab. 6:
Function of the electric connections of the VMS ................................................ 35
Tab. 7:
Pin assignment of the “Ethernet” connection ..................................................... 36
Tab. 8:
Pin assignment of the “System” connection ....................................................... 36
Tab. 9:
Pin assignment of the “I/O” connection .............................................................. 37
Tab. 10: Pin assignment of the “Serial” connection .......................................................... 37 Tab. 11: Technical specifications VMS ............................................................................... 48 Tab. 12: Object start message ............................................................................................ 52 Tab. 13: Idle message .......................................................................................................... 52 Tab. 14: Operational message (option) .............................................................................. 53 Tab. 15: Message “Confirmation of readiness to perform measurements” .................... 53 Tab. 16: Request message “Status query” ........................................................................ 53 Tab. 17: Answer message to request “Status query” ........................................................ 53 Tab. 18: Basic message (DI) data ....................................................................................... 54 Tab. 19: Advanced message (DI) data ................................................................................ 55 Tab. 20: Available systems .................................................................................................. 56 Tab. 21: General accessories .............................................................................................. 56 Tab. 22: Interface sets ......................................................................................................... 56 Tab. 23: Plug cover sets ....................................................................................................... 57 Tab. 24: Accessories for plug covers .................................................................................. 57 Tab. 25: Spare parts measuring head ................................................................................ 57
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Verzeichnisse
Operating Instructions VMS 420/520
Illustrations
10
Fig. 1:
Laser output opening .............................................................................................15
Fig. 2:
Laser warning labels on the VMS .........................................................................16
Fig. 3:
Certification label for the VMS 520 to be fitted ...................................................19
Fig. 4:
Possible places where the seals could be attached to the VMD 520 ................20
Fig. 5:
Principle of operation of the VMS volume measurement system ......................21
Fig. 6:
Illustration of a VMD installation over a transporting system .............................22
Fig. 7:
Device components of the volume measuring system VMS ...............................24
Fig. 8:
Sketch of the VMS with frame over transporting system ....................................25
Fig. 9:
Laser switch-off distance .......................................................................................26
Fig. 10:
Free-running mode .................................................................................................27
Fig. 11:
Illustration of a VMD installation over a transporting system .............................30
Fig. 12:
Mounting kit for VMD .............................................................................................32
Fig. 13:
Mounting and adjustment of the VMD .................................................................33
Fig. 14:
Position of the electric connections of the VMS ..................................................35
Fig. 15:
Example of a plug cover ........................................................................................38
Fig. 16:
Dimensional drawing VMS .....................................................................................49
Fig. 17:
Dimensional drawing mounting kit mounting bracket ........................................50
Fig. 18:
Dimensional drawing mounting kit mounting block ............................................51
Fig. 19:
Dimensional drawing hollow shaft for mounting the VMS ..................................51
Fig. 20:
Illustration containing the EU Declaration of Conformity ....................................60
Fig. 21:
Illustration of the OIML conformity certificate ......................................................61
Fig. 22:
Illustration of the test certificate issued by the National Metrology Institute (Physikalisch*Technische Bundesanstalt) ............................................................62
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About this document
Operating Instructions
Chapter 1
VMS 420/520
1
About this document Please read this chapter carefully before working with this documentation and the VMS volume measurement system.
1.1
Function of this document
These operating instructions are designed to address the technical personnel in regards to safe mounting, configuration, electrical installation, commissioning, operation and maintenance of the VMS volume measurement system.
1.2
Target group
This document’s target group is persons with the following positions: 1.2.1
Mounting, electrical installation, maintenance and replacement
Factory electricians and service engineers 1.2.2
Commissioning, operation and configuration
Technicians and engineers
1.3
Depth of information
These operating instructions contain the following information on the VMS 420/520 volume measurement system:
Note
•
Mounting
•
Electrical installation
•
Commissioning and configuration
•
Maintenance
•
Fault, error diagnosis and troubleshooting
•
Ordering information
•
Conformity and approval
The VMS 420 as well as the VMS 520 will be referred to as “VMS” in the following. Planning and using measurement systems such as the VMS also require specific technical skills which are not detailed in this documentation. The VMS is configured on-site for the related application using the SOPAS configuration software. How to use the software is described in chapter 7 “Configuration” on page 40. When operating the VMS volume measurement system, the national, local and statutory rules and regulations must be observed.
Note
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Please refer also to the VMS information in the Internet at www.sick.com.
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About this document
Chapter 1
Operating Instructions VMS 420/520
1.4 Recommendation Note Explanation
Symbology used
Recommendations are designed to give you some assistance in your decision-making process with respect to a certain function or a technical measure. Refer to notes for special features of the device. Explanations provide background knowledge on technical relationships.
MENU COMMAND
This typeface indicates a term in the SOPAS user interface.
Terminal output
This typeface indicates messages that the VMS outputs via its terminal interface.
Take action …
Instructions for taking action are shown by an arrow. Read carefully and follow the instructions for action. This symbol refers to additionally available documentation.
Warning! A warning indicates an actual or potential risk or health hazard. They are designed to help you to prevent accidents and to protect the device from being damaged. ATTENTION
Read carefully and follow the warning notices! Software notes show where you can make the appropriate settings and adjustments in the SOPAS configuration software.
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Operating Instructions
For your safety
Chapter 2
VMS 420/520
2
For your safety This chapter deals with your own safety and the safety of the equipment operators. Please read this chapter carefully before working with the VMS or with the transporting system equipped with the VMS.
2.1
Authorised personnel
The VMS volume measurement system must be installed, commissioned and serviced only by adequately qualified personnel. The following qualifications are necessary for the various tasks: 2.1.1
Mounting and maintenance
•
Basic technical practical training
•
Knowledge of the current safety regulations in the workplace
2.1.2
Electrical installation and replacement
•
Practical electrical training
•
Knowledge of current electrical safety regulations
•
Knowledge on the use and operation of devices in the related application (e.g. conveyors)
2.1.3
Commissioning, operation and configuration
•
Knowledge on the use and operation of devices in the related application (e.g. conveyors)
•
Knowledge on the software and hardware environment in the related application (e.g. conveyors)
•
Basic knowledge of the Windows operating system used
•
Basic knowledge of the usage of an HTML browser (e.g. Internet Explorer)
•
Basic knowledge of data transmission
2.2
Applications of the device
The VMS volume measurement system is intended exclusively for use in industrial environments. When used in residential areas it can cause interferences. It measures objects of almost any shape on flat transporting systems. The VMS determines length, width and height, and calculates from this information the real volume of the object and/or the volume of the smallest enclosing cuboid. This information is passed by the system over a data interface to the customer’s computer for further processing.
2.3
Correct use
The VMS volume measurement system must be used only as defined in section 2.2 “Applications of the device” on page 13. It is only allowed to be used by qualified personnel and only in industrial environments on transport systems on which it has been installed and initially commissioned by specialist personnel in accordance with these operating instructions. If the device is used for any other purpose or modified in any way — also during mounting and installation — any warranty claim against SICK AG shall become void.
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For your safety
Chapter 2
Operating Instructions VMS 420/520
2.4
General safety notes and protective measures
Safety notes Please observe the following items in order to ensure the correct and safe use of the VMS volume measurement system. ATTENTION
•
The notices in these operating instructions (e.g. on use, mounting, installation or integration into the existing machine controller) must be observed.
•
National/international rules and regulations apply to the installation, commissioning, use and periodic technical inspections of the volume measurement system, in particular: – work safety regulations/safety rules – other relevant health and safety regulations
•
Manufacturers and operators of the system are responsible for obtaining and observing all applicable safety regulations and rules.
•
The tests must be carried out by specialist personnel or specially qualified and authorised personnel and must be recorded and documented to ensure that the tests can be reconstructed and retraced at any time.
•
The operating instructions must be made available to the operator of the system where the VMS volume measurement system is fitted. The operator of the system is to be instructed in the use of the device by specialist personnel and must be instructed to read the operating instructions.
Risk of injury from electrical power! The VMS volume measurement system is connected to 24 V DC. ATTENTION
Observe the current safety regulations when working on electrical systems.
The VMS volume measurement system is intended exclusively for use in industrial environments. When used in residential areas it can cause interferences. ATTENTION Damage to the eye from laser radiation! The VMS uses a red laser of class 2. On extended exposure to the beam, the retina in the eye may be damaged. WARNiNG
The entire front screen serves as the laser output opening. Warning — inappropriate use of the VMS can result in hazardous exposure to radiation and the laser class may be exceeded. Never look directly into the beam (similar to sunlight). Do not point the device laser beam at people. During mounting and adjustment of the VMS, pay attention to possible reflections of the laser beam on reflective surfaces. Do not open housing. (Opening the housing does not interrupt the power to the laser diode during the read cycle.) Observe the latest valid version of the laser safety regulations.
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For your safety
Operating Instructions
Chapter 2
VMS 420/520
Laser output opening The laser output opening is the front screen of the VMD.
Laser output opening
Fig. 1:
Laser output opening
Laser power The laser operates at a wavelength
= 650 nm (visible red light).
•
The output power of the laser beam of the VMS 420 at the laser output opening is max. 7.5 mW.
•
The output power of the laser beam of the VMS 520 at the laser output opening is max. 4 mW.
The radiation emitted is not harmful to the skin. The VMS complies with Laser Class 2 in accordance with EN 60825-1 (for publication date refer to laser warning label on device). Complies with 21 CFR 1040.10 with the exception of the deviations as per Laser Notice No. 50, July 26, 2001. Note
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When operated with trigger, the laser diode is only switched on when the switch on signal is present and is switched off again with the shut down signal. For continuous data output the laser is continuously switched on.
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For your safety
Chapter 2
Operating Instructions VMS 420/520
Laser warning label Laser warning label and laser warning symbol (Fig. 2) are affixed to the VMS volume measurement system on the right side, as seen from the front.
Laser warning label on the VMS 420
Laser warning label on the VMS 520 Fig. 2:
Notes
Laser warning labels on the VMS
•
Prior to commissioning, the warning label in English on the device “LASER LIGHT – DO NOT STARE INTO BEAM” is to be replaced with a laser warning label in a language understood by the operators of the system. Laser warning labels in German/English and French/English are in the delivery. Leave the “CAUTION…“ and “AVOID EXPOSURE LASER…” laser warning labels in English.
•
If the VMS volume measurement system is installed in a system/a panel mounting such that the laser warning labels are covered, further warning labels (not in the scope of delivery) are to be affixed beside the outlet aperture for the laser beam on the system/ on the trim panel!
•
The VMS automatically monitors the beam generation and automatically shuts down the generation of the beam in case of irregularities. In this case the red LED lights up and the scanner transmits no more measured values.
•
No regular maintenance is necessary to ensure the retention of the laser class 2.
2.5
Quick stop and Quick restart
2.5.1
Switch off VMS
Switch off the voltage supply for the VMS or disconnect the supply cable. The VMS retains parameters stored in the internal, non-volatile memory. Measured values on the interface are lost. 2.5.2
Switch VMS back on
Switch on the voltage supply for the VMS or reconnect the supply cable. The VMS re-commences operation with the parameters last saved.
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For your safety
Operating Instructions
Chapter 2
VMS 420/520
2.6
Environmental protection
The VMS volume measurement system has been designed to minimise environmental impact. It uses only a minimum of power. While working, always act in an environmentally responsible manner. For this reason please note the following information on disposal. 2.6.1
Power consumption
The VMS consumes max. 50 W of power with both VMD. 2.6.2
Disposal after final de-commissioning
Always dispose of unserviceable or irreparable devices in compliance with local/ national rules and regulations on waste disposal. Dispose of all electronic assemblies as hazardous waste. The electronic assemblies are straightforward to dismantle. See section 8.2 “Disposal” on page 46. Note
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SICK AG does not accept unusable or irreparable devices that are returned.
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Product description
Chapter 3
Operating Instructions VMS 420/520
3
Product description This chapter provides information on the special features and properties of the VMS volume measurement system. It describes the construction and the operating principle of the device, in particular the different operating modes. Note
Please read this chapter before mounting, installing and commissioning the device.
3.1
Delivery
The VMS volume measurement system as delivered comprises: •
Two VMD volume measurement devices
•
Two mounting kits for the adjustment of the VMD, in two axes
•
A connection cable for the connection of two VMD volume measurement devices
•
A CD-ROM containing the following: – SOPAS configuration software – “VMS Volume Measurement System” operating instructions in German and English as PDF file – The freely available “Adobe Acrobat® Reader™” software for reading the PDF files
3.2
Special features
•
Non contact, active measurement technique
•
Measuring the length, width and height of rectangular objects
•
Measuring the length, width and height of objects of almost any shape
•
Works with a very wide range of surface structures and on various flat transporting systems
•
Flexible system configurations
•
Calculation of the smallest, enclosing cuboid (box volume)
•
Calculation of the real volume
VMS 420/VMS 520 Volume measurement system •
Scale interval d 5 mm (in industrial environments, without effect of contamination, vibration, extremely low object remission, without slip between object and conveyor system or high temperature drift)
•
Data processing and data output in real-time (at a transport system velocity of up to 2 m/s)
VMS 520 volume measurement system Complete system certified in accordance with OIML R129 with measured values that can be calibrated (see Fig. 11.6 on page 61).
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Product description
Operating Instructions
Chapter 3
VMS 420/520
3.3
Calibration of the VMS 520
The VMS 520 has been tested and certified by the accredited certification institute NMi, Nederlands Meetinstituut, as per the requirements in OIML R129 (see Fig. 11.6 on page 61). By means of the metrological tests, the following points were certified for the measurement of rectangular and irregular shaped objects that are not highly reflective or transparent: Object dimensions
Minimum value
Maximum value
Longitudinal to the transport direction
50 mm
2000 mm
5 mm
Perpendicular to the transport direction
50 mm
1000 mm
5 mm
Height above the transporting system
50 mm
1600 mm
5 mm
Tab. 1:
Achievable scale interval d
Certified, measurable object dimensions
The minimum transport velocity is 0.5 m/s and the maximum transport velocity 2 m/s. A maximum of 960 objects per minute can be measured. The operating temperature must be between 0 and 40 °C. Notes
•
Due to the certification of the VMS 520 with a scale interval of d 5 mm, all higher scale intervals such as d 10 mm are also covered.
•
This internationally valid certification does not directly replace national laws. For this reason, when using the VMS 520 in calibrated applications, observe the relevant national law.
•
Only in optimal applications, without effect of contamination, vibration, at extremely low object remission, without slip between object and conveyor system or high temperature drift, is a scale interval d 5 mm possible in industrial environments! For this reason an application must be checked by SICK before a binding statement on a scale interval can be made.
•
After a throrough application check, scale values for length, width and height shall be fixed. Using a permanent marker pen, the valid scale values shall be noted on the OIML sign in line “d>=”.
•
A certification label included in the delivery must be fitted to the system such that it can be seen by the operator and can be allocated to the volume measurement system.
Fig. 3:
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Certification label for the VMS 520 to be fitted
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Product description
Chapter 3
Operating Instructions VMS 420/520
How to use the calibration of the VMS 520: Check national laws and regulations to ascertain the steps required for calibration. In Germany, a prototype test must be performed for the overall concept, for example. An overall concept comprises the volume measurement, an identification system (e.g. a barcode reader) and an alibi memory (an alibi memory is not included in the scope of delivery of the VMS). Note
The National Metrology Institute (Physikalisch-Technische Bundesanstalt) has issued a test certificate for the VMS 520 which is helpful for national (German) approval (see Fig. 11.7 on page 62). Moreover, the PTB test certificate is recognized by other European countries. We suggest that you attach seals to specified parts of the VMS 520 and any existing accessories to protect against manipulation. The operator must discuss and agree these suggestions with the corresponding national testing authority. Ensure even when planning your application that calibration seals can be fitted to the VMD 520 after installation and calibration.
Seals Fig. 4:
20
Possible places where the seals could be attached to the VMD 520
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Product description
Operating Instructions
Chapter 3
VMS 420/520
3.4
Planning
3.4.1
System requirements VMS volume measurement system
The maximum working range of the VMD is 3 m. The minimum distance between the zero point of the VMS measurement and the object to be measured is 700 mm. The zero point is marked both on the top of the housing and on the underside of the housing (see Fig. 16 on page 49). The working area of the VMD covers an angle of 70° (see Fig. 5).
Measurement zero point m
2.3 m
0.98 m 1.88 m
3m
0.7
70°
3.6 m
Fig. 5:
Principle of operation of the VMS volume measurement system
For the commissioning and operation of the VMS volume measurement system the following are required: •
Typical space required for the VMD installation is around 700 mm above the highest object.
•
Operating voltage: VMD: 24 V DC ± 15% in compliance with IEC 364*4*41 (protective extra-low voltage), output max. 25 W
•
Data interface RS-232 or RS-422
•
The transporting system must have a constant transport velocity or an incremental signal with a resolution of at least 0.2 increment/mm must be installed
Note
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Use incremental encoder (available as an accessory) for VMS 520 (see 11.3.2 “Accessories/spare parts” on page 56) to achieve OIML conformity. We also recommend that the same incremental encoder be used for VMS 420. •
The objects can be moved on a transporting system with a flat transport area. Rotation, vibration, swaying and slipping of the objects on the transporting system and uneven transport areas can reduce the accuracy and degrade the acquisition of data by the VMD.
•
The transport speed for calibrated applications with the VMS 520 must be between 0.5 m/s and 2 m/s. It is possible to deviate from these values after consulting the relevant test authority. For applications which do not require calibrating, the system can operate with transport speeds up to 3 m/s.
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21
Product description
Chapter 3
Operating Instructions VMS 420/520
VMD (configured as master)
VMD (configured as slave)
Detection limiting
Fig. 6:
Detection limiting
Illustration of a VMD installation over a transporting system
To obtain an optimal measurement result, the following points should be noted: •
Adequate distance from bends, induction lines, start-stop areas, inclined areas and separators on the transporting system
•
The VMD must have a clear view of the transporting system.
•
The laser beams from the VMD should not propagate beyond the application area so that people and goods passing by are not detected.
•
The maximum detection must be limited to the working range of three metres as otherwise measuring inaccuracies can occur.
3.4.2
Object specifications
The minimum and maximum dimensions of the objects are summarised in the following table. Object dimensions
Minimum value
Maximum value
Longitudinal to the transport direction
50 mm
2000 mm
Perpendicular to the transport direction
50 mm
1000 mm
Height above the transporting system
50 mm
1600 mm
Tab. 2:
Note
Minimum and maximum object dimensions
The smallest segments of a measurable object must be larger than 25 mm × 25 mm × 25 mm. If this is the case, they can be included in the measurement. For this reason, the tips of pointed objects may not be included in the measurement result. Objects which do not comply with this requirement must be inspected separately by the tester, operator and/or system integrator.
22
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Operating Instructions
Product description
Chapter 3
VMS 420/520
3.4.3
Mounting requirements
The VMDs must be mounted as follows: •
securely above the transporting system (weight per VMD: approx. 2.3 kg without mounting kit)
•
without vibration or oscillations
•
on the left and right above the transporting system
Fig. 6 shows a VMD installation above a transporting system with typical distances. Recommendation
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To achieve high measuring accuracy, use the mounting kits supplied and the hollow shaft available as an accessory for mounting (see section “General accessories” on page 56).
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23
Product description
Chapter 3
Operating Instructions VMS 420/520
3.5
Operating principle of the device
3.5.1
Device components
The VMS volume measurement system comprises the following components: •
two VMD volume measurement devices
•
two mounting kits for VMD
•
connection cable for connecting the VMD
The components of the VMS volume measurement system are shown graphically in Fig. 7.
2 VMD volume measurement devices
connection cable (for communication between master and slave)
2 mounting kits for VMD comprising: Mounting bracket Mounting block
Fig. 7:
Note
24
Device components of the volume measuring system VMS
Please refer to the data sheet in section 10.1 “Data sheet volume measurement system VMS 420/520” on page 48. You will find dimensional drawings in section 10.2 “Dimensional drawings” on page 49.
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Operating Instructions
Product description
Chapter 3
VMS 420/520
3.5.2
Operating principle VMS
The VMS volume measurement system measures rectangular objects and objects with almost any shape on flat transporting systems. The VMS opto-electronically determines the real volume of the object as well as length, width, height and volume of the smallest enclosing cuboid. Distance data Two VMD are installed above the transporting system. The VMD are synchronised and optoelectronically scan the surface of the transported objects. The VMDs do not require any reflectors or position markers. This is an active system with a red laser; it is not necessary to illuminate the objects. The VMDs use the principle of phase shift (continuous wave). Velocity The velocity of the transported object is constantly set in the parameters, or can be determined using an optional incremental encoder. Resulting volume The information on the object is available after the acquisition of the distance data and calculation using the velocity. The system measures the length, width and height of the object. It calculates the volume of the smallest enclosing cuboid and the real volume of the object. The VMS makes these data available on its interfaces for further processing. VMD
Object
Fig. 8:
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Sketch of the VMS with frame over transporting system
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25
Product description
Chapter 3
Operating Instructions VMS 420/520
3.5.3
Measuring modes
The VMS can either operate with activated laser control or in free-running mode. •
When the laser control is activated, the lasers of the two VMDs are only switched on during the measurement. If no objects are transported on the conveyor system, the laser diodes remain switched off. This increases the service life of the system.
•
In free-running mode, the lasers of both VMDs remain on all the time. This has a negative effect upon the service life of the system.
Active laser control A photoelectric switch can be connected to the VMD master as a trigger for this purpose. If an object passes through the photoelectric switch, the lasers are switched on. When the rear edge of the object passes through the photoelectric switch (trigger is deactivated) , the VMS starts to calculate the path of the object starting from the photoelectric switch. For this purpose, an incremental encoder must be connected which can be used to determine the speed of the conveyor system. Note
Use incremental encoder (available as an accessory) for VMS 520 (see 11.3.2 “Accessories/spare parts” on page 56) to achieve OIML conformity. We also recommend that the same incremental encoder be used for VMS 420. A laser switch-off distance must be configured for the VMS (see Fig. 9 and 7.2.5 “Configuration of the laser control” on page 43). This is calculated using the distance of the photoelectric switch to the scan line of the VMS , the configured minimum gap between objects (default: 30 mm) and a safety supplement (recommended: 200 mm) .
Photoelectric switch
Scan line
VMD slave VMD master
Object
Incremental encoder
Trigger pulse
Fig. 9:
Laser switch-off distance
As soon as the VMS has calculated that the object has passed through the scan line (based on the incremental encoder pulses), it switches off its lasers.
26
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Operating Instructions
Product description
Chapter 3
VMS 420/520
If another object has passed through the photoelectric switch in the mean time, the distance calculation is reset and initiated for the new object. The lasers therefore remain switched on if several objects are transported sequentially. Each object is measured individually. In addition, a laser switch-off delay can be configured. If the conveyor system stops automatically following a trigger pulse or due to a fault, the laser diodes are deactivated after the configured laser switch-off delay has elapsed. Free-running mode The lasers of the VMDs are always switched on. The measurement starts when an object enters the scan line and ends when the object leaves the scan line. There must be a minimum gap between objects (configured in SOPAS) . Scan line
Fig. 10:
3.6
Free-running mode
Status indicators
Six LEDs on the VMS volume measurement system provide a visual indication of the operating state and any errors that have occurred. LED
Display
Function
Device Ready
Green
Illuminates after switch on when initialisation and selftesting have been completed successfully. Device ready for operation
Red
Error during initialisation or self test
Result
Green
Measurement condition met
Laser on
Green
Laser diode on
Data
Green
Not used
LNK 10Base*T
Green
Not used
TX 10Base*T
Green
Not used
Tab. 3:
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Significance of the LEDs
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27
Chapter 3
Product description
Operating Instructions VMS 420/520
3.7
Scale intervals of the VMS
The following scale intervals apply for object remissions of 15 to 200% and for recommended structures as per the SICK documentation. Restricted ranges for object remission and object size enable higher accuracy to be achieved. Glossy surfaces, shadowed areas of the objects and other effects can reduce the accuracy. The following table shows typical scale intervals1): Velocity
Scale interval
Velocity 2 m/s in normal industrial environments
d
10 mm
Velocity 2 m/s in optimal applications, without effect of contamination, vibration, at extremely low object remission, without slip between object and conveyor system or high temperature drift
d
5 mm
Tab. 4:
Typical scale intervals
3.8
Data communication
3.8.1
Interface specification
The VMS has two different interfaces for the configuration and the transmission of measured values. You can configure the VMS and also receive measured values via each of these interfaces. Terminal interface The terminal interface allows the configuration of the VMS as well as the output of measured values. However, this feature is primarily intended to provide a reliable data connection for configuration (also with simultaneous operation of the host interface). Therefore, the following interface parameters can not be changed: •
9600 Baud
•
8 data bits
•
1 stop bit
•
No parity
You will find a description of the electrical interface in section 5.3.4 ““Serial” connection” on page 37.
1)
28
The application must be checked by SICK before a binding statement on a scale interval can be made.
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Product description
Operating Instructions
Chapter 3
VMS 420/520
Host interface The host interface allows the configuration of the VMS as well as the output of measured values. You can choose whether to configure the pins 6 to 9 as RS*232 or as RS*422: Project tree, VMDX20-XX00, DATA INTERFACE, area HOST INTERFACE, option HARDWARE The interface parameters are freely configurable. The factory setting for the host interface is as follows: •
RS*232
•
9600 Baud
•
8 data bits
•
1 stop bit
•
No parity
You will find a description of the electrical interface in section 5.3.4 ““Serial” connection” on page 37. 3.8.2
Frame and coding for the messages
The VMS communicates using messages. The data is placed in different frames and coded differently depending on the interface used. Messages on the terminal interface or the host interface Frame
Message
Frame
STX
Data (see 11.2)
CR/LF
1
2498
1
Start of text character
ASCII coded. The length is dependent on the previous send message.
End of text character
Code Length (byte) Description Tab. 5:
Frame for the messages on the terminal interface or the host interface
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29
Mounting
Chapter 4
Operating Instructions VMS 420/520
4
Mounting 4.1
Overview of the mounting steps
•
If necessary: Mount frame in the required area on the transporting system.
•
Definition of the VMD (master) and VMD (slave) As a rule the VMD positioned on the right in the direction of transport is defined as the master, the VMD positioned on the left as the slave. For this reason, the interfaces of the master point to the bottom and the interfaces of the slave point to the top.
Note
•
Mount the mounting kits for VMD (master and slave) on a hollow shaft.
•
Mount hollow shaft for example on a frame with the aid of two mounting blocks (see section “General accessories” on page 56).
Note
The hollow shaft must be mounted at an exact right angle to the transport system to avoid negatively affecting the adjustment. •
Mount VMD (master) on mounting kit.
•
Connect VMD (master) to the supply voltage and adjust.
•
Mount VMD (slave) on mounting kit.
•
Connect VMD (slave) to the voltage supply and adjust.
•
Apply limits to detection. Mounting blocks VMD (slave)
Hollow shaft
VMD (master)
Mounting kits
Detection limiting
Fig. 11:
4.2
Detection limiting
Illustration of a VMD installation over a transporting system
Preparations for mounting
A VMD weighs approx. 2.3 kg, the hollow shaft weights approx. 20 kg. Note
The mounting, adjustment and calibration of a VMS 520 for a scale interval of d 5 mm requires an increased amount of effort. Please take this aspect into account in your planning! We recommend that the calibration is prepared and supported by SICK. 4.2.1
30
Components to be mounted
•
Two VMD volume measurement devices
•
two mounting kits for VMD
•
Connection cable (for communication between master and slave)
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Operating Instructions
Mounting
Chapter 4
VMS 420/520
4.2.2
Necessary accessories
The following accessories are required for the mounting kit and for the VMD: •
Hollow shaft (see section “General accessories” on page 56) Always use a hollow shaft for mounting the VMD. For a dimensional drawing please refer to section 10.2.4 “Dimensional drawing hollow shaft for mounting the VMS” on page 51.
•
Mounting block set for mounting the hollow shaft on the frame (see section “General accessories” on page 56)
•
Three M8×12 screws with washers for mounting the mounting block to the mounting bracket (included)
•
Three M8×12 screws with washers for fastening the VMD to the mounting kit (included with delivery)
4.2.3
Necessary tools
•
Plumb line
•
Carpenter’s square
•
10 m of white sticky tape
•
Felt-tip pen (the colour should be quite different from that of the transporting belt)
•
Spirit level, for inclined transporting system with angle
•
Tape measure (up to 3000 mm)
•
Test object (see section “General accessories” on page 56)
•
Tool set – Allen screw set for mounting of the plug cover: – TORX screwdriver, T10 – Precision screwdriver
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31
Mounting
Chapter 4
Operating Instructions VMS 420/520
4.2.4
Mounting accessories
Two mounting kits are supplied for mounting the two VMD. These can be finely adjusted in three axes. The mounting kit comprises a mounting bracket and a mounting block. Screws for fastening the mounting block and for the adjustment of the angle
Mounting bracket Mounting block
Adjustment of the angle via the rotation of the hollow shaft Adjusting screws for the adjustment of the angle
Fig. 12:
Note
32
Mounting kit for VMD
You will find the dimensional drawings for the mounting kit in: •
Section 10.2.2 “Dimensional drawing mounting kit mounting bracket” on page 50
•
Section 10.2.3 “Dimensional drawing mounting kit mounting block” on page 51
•
Section 10.2.4 “Dimensional drawing hollow shaft for mounting the VMS” on page 51
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Mounting
Operating Instructions
Chapter 4
VMS 420/520
4.3
Mounting the VMD
1. Mount the mounting block in the defined position on the mounting bracket using three M8 screws. 2. Loosen M10 fixing screw slightly and tighten setscrew so that the sleeve of the mounting block opens a little and the hollow shaft can be fitted . 3. Fit mounting kit to the hollow shaft. Loosen setscrew cannot slide off the hollow shaft.
slightly so that mounting kit
4. Repeat steps 1 to 3 for the second mounting kit. 5. For both mounting kits, adjust the angle required for your application using the scale of the mounting bracket. Note
The angle is application-specific and can be calculated for you by SICK. 6. On both mounting kits, tighten screws
Fig. 13:
and screw
.
Mounting and adjustment of the VMD
7. Fit VMD (master) and VMD (slave) in the lugs with three screws M6 .
fitted to the mounting kit and fasten
8. Install hollow shaft for instance on a frame over the transport system.
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33
Mounting
Chapter 4
Operating Instructions VMS 420/520
4.4 Note
Adjustment of the VMD
For adjustment see Fig. 13 on page 33. 4.4.1
Adjustment of the angle
1. Connect VMD (master) to the voltage supply and switch on voltage supply. After start up, the VMD confirms the successful completion of the self-testing and readiness by means of the illumination of the “Device Ready“ LED. The scan line of the VMD is visible now. 2. Use a felt-tip pen to draw a line on the transporting belt in the direction of movement. To do this, start transporting belt and press felt-tip pen onto moving transporting belt. 3. Loosen the three screws
of the mounting kit.
4. Align scan line of VMD (master) at a right angle with line on transporting belt. 5. Tighten the three screws
of the mounting kit again.
6. Repeat the adjustment steps for the VMD (slave). 4.4.2
Adjustment of the angle
1. Put test object (see section “General accessories” on page 56) with unmarked side onto transporting belt. 2. Screw in setscrew slightly so that the sleeve on the mounting block opens a little and the mounting kit on the hollow shaft can be moved. 3. Rotate mounting kit on hollow shaft until scan line and adjustment line on test object are parallel to each other. 4. Unscrew setscrew slightly and tighten fastening screw M10 tion and the vertical alignment of the VMD.
and thus set the posi-
5. For vertical adjustment of VMD (slave), rotate its mounting kit on hollow shaft until scan lines of master and slave correspond. 4.4.3 Note
Adjustment of the angle
The angle is application-specific and is specified by SICK. 1. Loosen screws
and screw
for both mounting kits (master and slave).
2. Adjust angle according to specification. 3. For both mounting kits (master and slave), tighten screws 4.4.4
and screw
again.
Checking the evenness of the coverage of the scan lines on both VMD
1. Place highest object to be measured or appropriate standard/test object on the transporting belt and check evenness of coverage of both scan lines. 2. If necessary, re-adjust VMD.
4.5
Dismounting the system
1. Switch off supply voltage. 2. Remove the connection cables. 3. Remove the VMD from the mounting kits above the transporting system. Note
34
On final decommissioning, please observe the disposal requirements in section 2.6.2 “Disposal after final de-commissioning” on page 17 for environmentally correct disposal.
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Electrical installation
Operating Instructions
Chapter 5
VMS 420/520
5
Electrical installation Switch the entire machine/system off line! The machine/system could inadvertently start up while you are connecting the devices. Ensure that the entire machine/system is disconnected during the electrical installation.
ATTENTION Note
The VMS volume measurement system complies with the requirements in the standard on the radiated emissions as defined for classA (industrial environments). It may cause radio interference in residential areas. If radio interference occurs, the person(s) affected may demand that the operator take appropriate action for suppressing interference.
5.1
Overview of the installation steps
•
Connect supply voltage to the VMD.
•
Connect PC to the terminal interface of the VMD.
5.2
Electrical connections and cables
In the electrical connections, the VMS has interfaces for communication between master and slave as well as interfaces to the exterior.
Ethernet (RJ-45) Fig. 14:
I/O (D*Sub)
Serial (D*Sub)
Position of the electric connections of the VMS
Connection
Type
Function
Ethernet
RJ*45
TCP/IP communication, exchange of messages
System
RJ*45
Synchronisation master/slave
I/O
D*Sub
Connection of external sensors, supply voltage
Serial
D*Sub
Serial communication, exchange of messages, supply voltage
Tab. 6:
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System (RJ-45)
Function of the electric connections of the VMS
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35
Chapter 5
Electrical installation
Operating Instructions VMS 420/520
Tab. 7:
5.3
Pin assignment of the connections
5.3.1
“Ethernet” connection
Pin
Signal
Function
1
Reserved
Do not use!
2
Reserved
Do not use!
3
Reserved
Do not use!
4
Not assigned
–
5
Not assigned
–
6
Reserved
Do not use!
7
Not assigned
–
8
Not assigned
–
Pin assignment of the “Ethernet” connection
5.3.2
“System” connection
Via the “System” connection master and slave of a VMS are synchronised. For the connection of master and slave a common Cat. 5 crossover cable is suitable.
Tab. 8:
36
Pin
Signal
Function
1
FSIOP
Synchronisation master/slave
2
FSION
Synchronisation master/slave
3
FSIIP
Synchronisation master/slave
4
Not assigned
–
5
Not assigned
–
6
FSIIN
Synchronisation master/slave
7
Not assigned
–
8
Not assigned
–
Pin assignment of the “System” connection
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Operating Instructions
Electrical installation
Chapter 5
VMS 420/520
5.3.3
Tab. 9:
“I/O” connection
Pin
Signal
Function
1
VS
Supply voltage VMD
2
In3
Digital input 3 (trigger)
3
In1
Digital input 1 (trigger)
4
Reserved
Do not use!
5
GND
Ground VMD
6
In2
Digital input 2 (rotary encoder)
7
In4
Digital input 4 (rotary encoder)
8
Reserved
Do not use!
9
SENS_GND
Ground digital inputs
10
Reserved
Do not use!
11
Reserved
Do not use!
12
Reserved
Do not use!
13
Reserved
Do not use!
14
Reserved
Do not use!
15
Reserved
Do not use!
Housing
–
Screen/Earth
Pin assignment of the “I/O” connection
5.3.4
“Serial” connection
You can choose whether to configure the pins 6 to 9 as RS*232 or as RS*422. Project tree, VMDX20-XX00, DATA INTERFACE, area HOST INTERFACE, option HARDWARE
Pin
Signal
Function
1
VS
Supply voltage VMD Terminal interface (receiver)
TxD_TRM
Terminal interface (sender)
3 4
Not assigned
–
5
GND
Ground VMD
6
9
RxD (HST) Not assigned TxD (HST)
RD+ (HST) RS*422
8
Not assigned RS*232
7
Tab. 10:
RxD_TRM
RS*232
2
Host interface (receiver)
RD– (HST) TD+ (HST)
Host interface (sender)
TD– (HST)
10
Reserved
Do not use!
11
Not assigned
–
12
Reserved
Do not use!
13
Reserved
Do not use!
14
Not assigned
–
15
Reserved
Do not use!
Housing
–
Screen/Earth
Pin assignment of the “Serial” connection
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37
Electrical installation
Chapter 5
Operating Instructions VMS 420/520
5.4
Connection via the plug cover
The VMD can also be connected using plug covers (see section “Plug cover sets” on page 57).
Fig. 15:
5.5
Performing electrical installation
5.5.1
Overview of the connection steps
•
Connecting the voltage supply.
•
Connect host interface.
•
Connect PC (connect terminal interface).
5.5.2
Equipment
•
Tool set
•
Digital multimeter (current/voltage measurement)
5.5.3 Note
Example of a plug cover
Connecting the voltage supply
You can connect the supply voltage alternatively at the “I/O” connection or the “Serial” connection. 1. Ensure that the supply voltage is switched off. 2. Connect the 24-V input “Supply voltage” on the VMS to the corresponding connection on the voltage supply using a cable. 5.5.4
Connecting the PC
Both VMD are operated and configured using the SOPAS configuration software. 1. Switch off PC and supply voltage. 2. Connect PC and terminal interface of VMD with a three-core RS-232 data cable (null modem cable). 3. Switch on the PC and the supply voltage. 4. Configure (see chapter 7 “Configuration” on page 40).
38
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Commissioning
Operating Instructions
Chapter 6
VMS 420/520
6
Commissioning Commissioning requires a thorough check by qualified personnel!
ATTENTION
Before you operate a system equipped with the VMS volume measurement system for the first time, make sure that the system is first checked and released by qualified personnel. On this issue, observe the notes in chapter 2 “For your safety” on page 13.
Overview of the commissioning steps Mount the VMS as per the version ordered (see chapter 4 “Mounting” on page 30). Perform the electrical installation (see chapter 5 “Electrical installation” on page 35). Configure the VMS using the SOPAS configuration software (see chapter 7 “Configuration” on page 40). Note
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The RS-232 and RS-422 host interfaces cannot be used simultaneously during operation.
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39
Configuration
Chapter 7
Operating Instructions VMS 420/520
7
Configuration The VMS volume measurement system is adapted to the on-site measurement situation by means of the configuration. In this way parameters can be set to suit the characteristics of the measurement, analysis and output. The interactive configuration is carried out using the provided SOPAS configuration software. Using this software, you can configure and test the measurement properties, the analysis behaviour and the output properties of the system as required. Help for the program user interface as well as for the different options can be found in SOPAS:
Note
•
Menu HELP, HELP: Comprehensive online help for the program interface and the different options
•
Help window (on the bottom left in the program user interface): Context sensitive help for the visible dialog
•
Tool tips: Move the mouse pointer over an input field. A short text (“tool tip”) with information about valid entries appears.
Software access to the VMS is password protected. The factory setting for the password is “client” for the VMS 420 and “VMS_400” for the VMS 520. Following completion of the configuration, you should change the password so that it can perform its protective function.
7.1
Preparing the configuration
To configure the VMS volume measurement system, you need: •
SOPAS configuration software on CDROM
•
PC/notebook with Windows 98/NT 4.0/2000/XP and a serial interface (RS232). PC/ notebook not included
•
Three-core RS-232 data cable (null modem cable) for connecting PC and VMS
How to prepare the configuration: ¾ Ensure that the VMS volume measurement system has been correctly assembled and that the electrical connections are also correct. ¾ Plan all the necessary adjustments. ¾ Install the provided SOPAS configuration software from CDROM. ¾ Connect the PC/notebook with the terminal interface of the VMS. The procedure of connecting the PC is described in section 5.5.4 “Connecting the PC” on page 38.
7.2
Configuring the VMS online or offline
¾ Start SOPAS. ¾ Click on NEW PROJECT. Using SOPAS you can configure devices offline or — if the PC is connected to the VMS — online.
40
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Configuration
Operating Instructions
Chapter 7
VMS 420/520
How to configure the system offline: From the VIEW menu select the DEVICE CATALOG command. On the file card DEVICE CATALOG in the area AVAILABLE DEVICES mark the desired system and click on ADD. In the menu OPTIONS menu, open the LOGIN dialog and log in to the device with the required user level. Carry out the rest of the configuration as described in the following sections. Save the device configuration to a file: Menu PROJECT, DEVICE, EXPORT DEVICE Or: Save the complete project offline to a file: Menu PROJECT, SAVE PROJECT You can later load the configuration or the project in SOPAS and transfer it online to the device. How to configure the system online: From the VIEW menu select the SCAN ASSISTANT command. On the file card SCAN ASSISTANT click on CONFIGURATION and configure and activate the desired connections. Confirm the selection with OK. Click on SCAN DEVICES. Now SOPAS looks for known devices at the interfaces of the PC and lists these in the area DETECTED DEVICES. At the same time SOPAS shows, in the area SUITABLE DEVICE TYPES, a list of suitable device definitions. If SOPAS has found an exactly matching device definition, this is marked with a green dot. Highlight the appropriate device definition and click on ADD. The new device appears as a device node in the project tree. In the menu OPTIONS menu, open the LOGIN dialog and log in to the device with the required user level. Carry out the rest of the configuration as described in the following sections. Note
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During the online configuration of a VMS, SOPAS transfers, by default, all parameters immediately to the VMS (menu COMMUNICATION, PROPERTIES, option UPDATE MODE = DOWNLOAD IMMEDIATELY). The VMS stores the parameters in an interim memory. The data is lost when switching off the VMS. After having completed the configuration successfully, you have to save the parameters permanently to the device with VMS, PARAMETER, SAVE PERMANENT.
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41
Chapter 7
Configuration
Operating Instructions VMS 420/520
7.2.1
Configuring VMD (master) using SOPAS
1. Project tree, VMDX20-XX00, PARAMETER, ALIGNMENT, define the following parameters: Area POSITION – define X*POSITIONx = 0: right edge in the direction of movement – The value for the Y POSITION is always negative and is determined as follows: Distance between the middle of the sensor (see in Fig. 13 on page 33) and the zero point (x = 0) yields the y value. A plumb line positioned in the middle of the sensor is helpful. – The value for the Z POSITION is the same as the distance from the top edge of the transporting belt to the middle of the sensor. Area ROTATION ANGLE – ALPHA: Azimuth angle (tilt) = 90° – BETA: Tilt angle (pitch) = 0° – GAMMA: Rotation angle (skew) = value entered, e.g. 41° Area MEASUREMENT AREA – LEFT BORDER: width of the conveyor system – TOP BORDER: Max. object height + approx. 50 mm – RIGHT BORDER: Approx. 30 mm – BOTTOM BORDER: Approx. –50 mm 2. Project tree, VMDX20-XX00, PARAMETER, ALGORITHM SETTINGS, check option field VMD MASTER. 3. Project tree, VMDX20-XX00, PARAMETER, TRIGGER SETTINGS, define parameters as per selected application. 4. Project tree, VMDX20-XX00, PARAMETER, OBJECT SETTINGS, enter object dimensions as per the selected application. 5. Project tree, VMDX20-XX00, PARAMETER, HOST PROTOCOL, define parameters as per selected application. 6. Project tree, VMDX20-XX00, PARAMETER, BASIC PARAMETER, define the following parameters: Area SCAN SETTINGS, SCAN AREA – MAIN SCAN START: 55° – MAIN SCAN LENGTH: 70° Area SCAN SETTINGS, SPECIFY FREQUENCY – SCAN FREQUENCY: 370 Hz – ANGULAR RESOLUTION: 0.25° Click the CALCULATE/ACTIVATE ANGULAR RESOLUTION button 7. Project tree, VMDX20-XX00, PARAMETER > DIGITAL I/O, SYNC., define parameter according to the chosen application. Area SYNCHRONISATION – TYPE: MASTERSYNC – PHASE [°]: 30
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Operating Instructions
Configuration
Chapter 7
VMS 420/520
7.2.2
Configuring VMD (slave) using SOPAS
Make adjustments as per section 7.2.1 “Configuring VMD (master) using SOPAS” on page 42, with the following differences: 1. Project tree, VMDX20-XX00, PARAMETER, ALIGNMENT: Area POSITION – The value for the Y POSITION is always positive and is determined as follows: The distance between the middle of the sensor, see in Fig. 13 on page 33, and the zero point (x = 0) yields the y value. A plumb line positioned in the middle of the sensor is helpful. Area ROTATION ANGLE – GAMMA: Rotation angle (skew) = 319° 2. Project tree, VMDX20-XX00, PARAMETER, DIGITAL I/O, SYNC. Area SYNCHRONISATION – TYPE: SLAVESYNC – PHASE [°]: 0 3. The following parameters on the VMD (slave) do not need to be defined: – Project tree, VMDX20-XX00, PARAMETER, ALGORITHM SETTINGS – Project tree, VMDX20-XX00, PARAMETER, TRIGGER SETTINGS – Project tree, VMDX20-XX00, PARAMETER, HOST PROTOCOL 7.2.3
Correcting distance between both VMD
1. Place standard/test object on the transporting belt. 2. Select project tree, VMDX20-XX00, PARAMETER, ALIGNMENT and correct the value for the Y POSITION. 7.2.4
Connection and test measurement
1. Place standard/test object on the transporting belt. 2. Perform measurement. 3. Select project tree, VMDX20-XX00, MONITOR, VIEW VMS RESULTS and check measurement sequence. 4. If necessary, correct the following values: PARAMETER, ALIGNMENT, area POSITION – Y POSITION – Z POSITION PARAMETER, DIGITAL I/O, SYNC., area ENCODER SETTINGS – ENCODER RESOLUTION (longitudinal vector) 7.2.5
Configuration of the laser control
1. Project tree, VMDX20-XX00, PARAMETER, DIGITAL I/O, SYNC.: For the VMD master, configure the required input for the trigger under SET DIGITAL INPUTS (ACTIVE HIGH or ACTIVE LOW, and possibly DEBOUNCE TIME)
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Configuration
Chapter 7
Operating Instructions VMS 420/520
2. Then activate the ACTIVATE LASER CONTROL option under LASER CONTROL and select TRIGGER SOURCE. For the master this is the corresponding DIGITAL INPUT, and for the slave it is the SOFTWARE TRIGGER (the master is electrically connected to the trigger and passes on the trigger signal as a software trigger to the slave via the “system” connection). 3. Enter the LASER SWITCH-OFF DISTANCE (see Fig. 9 on page 26) and the LASER SWITCH-OFF DELAY. Note
The VMS can count a maximum of 30000 incremental encoder pulses from the time the trigger is activated until the lasers are switched off. With the incremental encoder resolution of 0.2 mm/incr. of the recommended incremental encoder (see 11.3.2 “Accessories/spare parts” on page 56) this results in 30000 × 0.2 mm = 6000 mm. The LASER SWITCH-OFF DISTANCE must therefore not exceed 6 m. 4. Select SHAFT ENCODER MODE and SHAFT ENCODER RESOLUTION under SHAFT ENCODER SETTINGS. Testing the laser control 1. Place object on conveyor belt and check whether laser is switched off (Laser on LED = off) after object has passed through VMS scan lines. 2. Release trigger without placing an object on the conveyor system and check whether laser is deactivated after switch-off delay has elapsed (Laser on LED = off). 7.2.6
Ethernet configuration
The VMS has an internal Ethernet interface, which however isn’t supported by the current firmware. The Ethernet interface is therefore deactivated from the factory and is not allowed to be activated. 7.2.7
CAN configuration
The VMS has an internal CAN interface, which however isn’t supported by the current firmware. The CAN interface is therefore deactivated from the factory and is not allowed to be activated.
44
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Maintenance
Operating Instructions
Chapter 8
VMS 420/520
8
Maintenance 8.1
Maintenance during operation
The VMS volume measurement system is maintenance-free apart from the maintenance measures listed below. No maintenance is necessary to ensure the retention of laser class 2. Recommendation
To obtain the full optical performance of the VMS, the front screens and any additional front screens should be regularly checked for contamination. This applies particularly in harsh operating environments (dust, powder, moisture, finger marks). Damage to the eye from laser radiation! The VMS uses a red laser of class 2. On extended exposure to the beam, the retina in the eye may be damaged.
WARNiNG
The entire front screen serves as the laser output opening. Warning — inappropriate use of the VMS can result in hazardous exposure to radiation and the laser class may be exceeded. Never look directly into the beam (similar to sunlight). Do not point the device laser beam at people. During mounting and adjustment of the VMS, pay attention to possible reflections of the laser beam on reflective surfaces. Do not open housing. (Opening the housing does not interrupt the power to the laser diode during the read cycle.) Observe the latest valid version of the laser safety regulations.
Front screen damaged! The front screen is made of glass. The optical power is reduced by scratches and smearing on the front screen. ATTENTION
Do not use aggressive detergents. Do not use abrasive cleaning agents. Avoid scratching and scouring movements on the front screen.
Note
Static charges cause dust particles to be attracted to the front screen. You can prevent this effect by using the antistatic plastic cleaner (SICK Part No. 5 600 006) and the SICK lens cloth (Part No. 4 003 353). How to clean the front screen and/or the additional front screen (optional extra): Use a clean and soft brush to remove dust from the front screen. Then wipe the front screen with a clean and dampcloth.
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Chapter 8
Maintenance
Operating Instructions VMS 420/520
8.2
Disposal
After de-commissioning, dispose of unusable or irreparable devices in an environmentally correct manner: 1. Observe national waste disposal regulations. 2. Dismantle the housing of the VMS. 3. Remove electronics assemblies. 4. Remove glass window of the laser output opening and send for glass recycling. 5. Send chassis and cover for die-cast aluminium recycling. 6. Dispose of all electronic assemblies as hazardous waste. SICK AG does not accept any devices returned that have become unusable or are irreparable.
8.3
Replacement of a system or replacement of components
If the system or individual components are replaced, proceed as follows: 1. Switch off the voltage supply for the VMD and undo the connection. 2. Remove the connection cables from the VMD. 3. Undo the three screws M6 (see Fig. 12 on page 32) and replace the VMD. 4. Mount and adjust the replacement device (see chapter 4 “Mounting” on page 30). 5. Configure the replacement device (see chapter 7 “Configuration” on page 40).
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Troubleshooting
Operating Instructions
Chapter 9
VMS 420/520
9
Troubleshooting This chapter describes how to identify and remedy errors and malfunctions during the operation of the VMS volume measurement system.
9.1
In the event of faults or errors
Cease operation if the cause of the malfunction has not been clearly identified! Stop the machine/system if you cannot clearly identify or allocate the error and if you cannot safely remedy the malfunction. ATTENTION
9.2
Error on beam generation
The VMS automatically monitors the beam generation and automatically shuts down the generation of the beam in case of irregularities. In this case: •
the LED “Device Ready” turns red.
•
the scanner transmits no more measured values.
To cancel error status: Switch the VMS off and back on again. If the error is still present when the device is switched on again, check the device status with the aid of SOPAS (see 9.3.1). If errors are listed there, please contact SICK service.
9.3
Detailed error analysis
9.3.1
Query system status
The VMS saves errors internally in a logfile. You can display this logfile using SOPAS: Connect SOPAS to the device. Open the project tree, VMDX20-XX00, SERVICE, SYSTEM STATUS, area SYSTEM STATUS. In the viewing area of SOPAS now the OPERATING DATA and the SYSTEM STATUS logfile appear. Notes
•
The SYSTEM STATUS protocol is retained also after the device is switched off and on again.
•
The VMS differentiates between four error types: “Information”, “Warning”, “Error” and “Serious error”. For each error type, the system saves only the last five occurrences.
9.3.2
Logging data during operation
In the SOPAS configuration software, menu OPTIONS, the DATA LOGGING is available. In this way you can specifically log and analyse data in certain memory areas in the VMS during operation.
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Chapter 10
Technical specifications
Operating Instructions VMS 420/520
10
Technical specifications 10.1
Data sheet volume measurement system VMS 420/520
Type
VMS 420
Version
2 scanner solution
Detectable object shape
Almost any, dimensions of objects must be min. 50 mm × 50 mm × 50 mm
Laser output opening
On front
Useful field of view
Max. 70°
Max. Object size (L × W × H)
2000 mm × 1000 mm × 1600 mm 5 mm1)
Certified scale interval d Object remission
VMS 520
15 to 200%
25 to 200%
Min. Gap between objects at v = 25 mm 2 m/s Max. Transport velocity
Up to 3 m/s
Up to 2 m/s
Optical indicators
6 LEDs per VMD
Host interfaces
RS-232 or RS-422, data output format can be adjusted
Laser diode (wavelength)
Visible light ( = 650 nm)
Laser power
Max. 7.5 mmW
Laser class of the device
2
Max. 4 mW
Enclosure rating/protection class IP 20 (according to DIN 40050); with plug cover IP 65 Output data
• • •
Operating voltage/power consumption
24 V DC ± 15 %/max. 50 W
Housing
Aluminium die-cast
EMC test
In compliance with EN 61000*6*2:2001, EN 61000*6*4:2001
Maximum dimensions (length, width, height) Box volume Real volume
Vibration/shock test
In compliance with EN 60068*2*6, *27, *29, *64
Weight
Approx. 2.3 kg per VMD
Temperature (operation/storage) 0 … +40 °C/–20 … +70 °C Tab. 11: 1)
48
Technical specifications VMS
Only in optimal applications, without effect of contamination, vibration, at extremely low object remission, without slip between object and conveyor system or high temperature drift, is a scale interval d = 5 mm possible in industrial environments! For this reason the application must be checked by SICK before a statement can be made on a scale interval d = 5 mm in the related application.
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Operating Instructions
Technical specifications
Chapter 10
VMS 420/520
10.2
Dimensional drawings
10.2.1
Dimensional drawing VMS volume measurement system
70°
48.2
Send and receive beam
20
129.9
105 93.9
M6×6
1
12.8
52.75
5.9
57.4
29.1 33.5
89.17
Zero point of the distance measurement
6.1
117.8
18.91
Adjustment hole 6.1 × 8
98 179
Zero point of the distance measurement
106.7 91.5
36
0 111
All dimensions in [mm] Fig. 16:
Dimensional drawing VMS
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Technical specifications
Chapter 10
Operating Instructions VMS 420/520
10.2.2
Dimensional drawing mounting kit mounting bracket
R3.4
R4 2
232
R6
139.11
8
R5 4.5
Notch allowed
13
9
6
30
13
13
9
9
10
6
All dimensions in [mm] Fig. 17:
50
Dimensional drawing mounting kit mounting bracket
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Operating Instructions
Technical specifications
Chapter 10
VMS 420/520
10.2.3
Dimensional drawing mounting kit mounting block 7 ×
11
M8
27
80
56 40
12
° 45
M10
M8 × 10
. 99 49
48
45
64
× 10
107 65 25
10
80 40
M8 ×
14
M8 ×
90 × M8
M6
80 82 Fig. 18:
40
15
12
53.5
7
90
6.5
14
20
20
80
40
All dimensions in [mm]
Dimensional drawing mounting kit mounting block
10.2.4
Dimensional drawing hollow shaft for mounting the VMS
50 h6
2500
All dimensions in [mm] Fig. 19:
Dimensional drawing hollow shaft for mounting the VMS
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51
Annex
Chapter 11
Operating Instructions VMS 420/520
11
Annex 11.1
Overview of the annexes
The annex contains the following supplementary information: •
Message reference
•
Ordering information
•
Glossary
•
Illustration containing the EU Declaration of Conformity
•
Illustration of the OIML conformity certificate
•
Illustration of the test certificate issued by the National Metrology Institute (Physikalisch-Technische Bundesanstalt)
11.2
Message reference
11.2.1
Object start message
You can enable the output of the object start message in SOPAS. Project tree, VMDX20-XX00, HOST PROTOCOL, area HOST PROTOCOL, option ENABLE OBJECT START MESSAGE. Message
Description
2B
In measurement mode the VMS generates this message as soon as the object enters the measurement line (only possible in “free running operation”).
Tab. 12:
Object start message
11.2.2
Object end message
You can enable the output of the object end message in SOPAS. Project tree, VMDX20-XX00, HOST PROTOCOL, area HOST PROTOCOL, option ENABLE OBJECT END MESSAGE. 11.2.3
Message
Description
2I
Using the Idle message, the system integrator control places the VMS in the “idle/stand-by” state.
Tab. 13:
Notes
52
Idle message (option)
Idle message
•
The command is not accepted by the VMS in measurement operation.
•
The VMS immediately returns the same output string as an echo.
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Annex
Operating Instructions
Chapter 11
VMS 420/520
11.2.4
Message
Description
2O
Using the Operational message, the system integrator control places the VMS in the “operational” state.
Tab. 14:
Notes
Operational message (option)
Operational message (option)
•
The command is not accepted by the VMS in measurement operation.
•
The VMS immediately returns the same output string as an echo.
180 seconds after switching on the VMS is ready for measurements and sends the following message: Message
Description
201
The VMS is ready for measurements.
Tab. 15:
Notes
•
Message “Confirmation of readiness to perform measurements”
The response time is configurable. The default value is 180 s.
11.2.5
Status query
Request Message
Description
2?SF
Requests from the VMS a status code comprising three digits.
Tab. 16:
Request message “Status query”
Answer Message part
Description
2SF
Requests from the VMS a status code comprising three digits.
CS1 CS2
Three-character status code
CS3 Tab. 17:
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Answer message to request “Status query”
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Chapter 11
Annex
Operating Instructions VMS 420/520
11.2.6
Basic message (DI) data
Message part
Variable type
Length Value (byte) range
Unit
M for metric in mm
Char
1
M
Length
Longest side of the smallest enclosing cuboid in mm
Short
4
0000
Width of the smallest enclosing cuboid in mm
Short
Height of the smallest enclosing cuboid in mm
Short
Serial no. M
Serial number of the VMD configured as master
Long
8
Serial no. S
Serial number of the VMD configured as slave
Long
8
Measuring status
0 = OK
Short
4
Index
Message counter initialised with 1
Width Height
CS
Tab. 18:
54
Description
9999 4
0000 9999
4
0000 9999 0000000 9999999 0000000 9999999 0000 9999
Checksum for the commands described above to CRC 16
Short
4
0000 9999
Hex
4
0000 FFFF
Basic message (DI) data
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Operating Instructions
Annex
Chapter 11
VMS 420/520
11.2.7
Advanced message (DI) data
Message part
Description
Unit
M for metric in mm
Char
1
M
Length
Longest side of the smallest enclosing cuboid in mm
Short
4
0000
Width of the smallest enclosing cuboid in mm
Short
Height of the smallest enclosing cuboid in mm
Short
Box volume of the smallest enclosing cuboid in cm³
Long
Real volume in cm³
Long
Width Height Volume
Real volume
Variable type
Length Value (byte) range
9999 4
0000 9999
4
0000 9999
7
0000000 9999999
7
0000000 9999999
Angle
Angle of the smallest enclosing cuboid in 1/10 degrees
Short
Measuring status
0 = OK
Short
4
Index
Message counter initialised with 1
Short
4
CS
Tab. 19:
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4
±000 ±999 0000 9999
Checksum for the commands described above to CRC 16
0000 9999
Hex
4
0000 FFFF
Advanced message (DI) data
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Chapter 11
Annex
Operating Instructions VMS 420/520
11.3
Ordering information
11.3.1
Available systems
Part number
Device type
Code
1 027 885
VMS 420-1000
Volume measurement system
1 025 987
VMS 520-0000
OIML certified volume measurement system with measured values that can be calibrated
Tab. 20:
11.3.2
Available systems
Accessories/spare parts
General accessories Part number
Part
Description
4 039 783
Hollow shaft
Length 2.5 m, d = 50 mm, h6 surface, hardened and ground, weight approx. 20 kg
2 030 886
Mounting block set For mounting the hollow shaft on the frame
2 031 412
Incremental encoder
0.2 incr./mm resolution
2 021 153
Proximity switches set
WL18 with fixing bracket, flying lead
4 040 035
Test object
Test object 202 × 302 × 402 mm³, imperative for commissioning
Tab. 21:
General accessories
Interface sets Part number
Part
Description
2 031 362
Interface set CDM
2 CDM490-0001 3 cables, plug/socket, 10 m 1 set of hardware (sliding nuts, screws)
2 031 363
Interface set CDM/ 2 CDM490-0001 CMP 2 CMP490 3 cables, plug/socket, 10 m 1 set of hardware (sliding nuts, screws)
Tab. 22:
56
Interface sets
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Operating Instructions
Annex
Chapter 11
VMS 420/520
Plug cover sets Part number
Part
Description
2 031 364
Plug cover set Mfitting
1 plug cover M-fitting, master 1 plug cover slave 1 connection cable Power, CAN, 3 m 1 FSI cable for plug covers
2 031 365
Plug cover set M12 1 plug cover M12-fitting, master plug 1 plug cover slave 1 connection cable Power, CAN, 3 m 1 FSI cable for plug covers 2 plugs for trigger and incremental encoder 1 socket for the connection “Host” 1 cable, socket with insulation stripped, 10 m
2 031 366
Plug cover set cables (3 m)
1 plug cover, master, 3 m 1 plug cover, slave 3 m 1 FSI cable for plug covers 2 CDM490-0001 1 set of hardware (sliding nuts, screws)
2 031 399
Plug cover set cables (3 m) + voltage supply
1 plug cover, master, with cable, 3 m 1 plug cover, slave, with cable, 3 m 1 FSI cable for plug covers 2 CDM490-0001 2 CMP490 1 set of hardware (sliding nuts, screws)
Tab. 23:
Plug cover sets
Accessories for plug covers Part number
Part
Description
2 031 372
Communication cable
1 communication cable (3 m) to the terminal interface in the plug cover set with M-fitting
Tab. 24:
Accessories for plug covers
Spare parts measuring head Part number
Part
Description
1 027 889
VMD 420-1000
Cannot be calibrated
1 026 173
VMD 500-0000
Can be calibrated
Tab. 25:
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Spare parts measuring head
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Annex
Chapter 11
Operating Instructions VMS 420/520
11.4 Note
Glossary
For other terms, see also the online help for the SOPAS configuration software. Download Transmission of the parameter set that has been modified offline in the SOPAS configuration software from the PC to the VMD. SOPAS transmits either always a complete copy to the memory (RAM) in the VMD (menu COMMUNICATION, DOWNLOAD ALL PARAMETERS TO DEVICE) or only the parameter that has just been edited with the aid of the context menu opened using the right mouse button (menu COMMUNICATION, DOWNLOAD MODIFIED PARAMETERS TO DEVICE). With menu VMDX20-XX00, PARAMETER, SAVE PERMANENT, the parameter set is being saved permanently in the EEPROM of the VMD. Field of view Angle that defines the limits to which the read beam is deflected by the polygon mirror wheel. A v-shaped area is formed radially in the scan direction in front of the laser output opening; this area must contain the objects to be measured. Function interfaces Switching inputs and outputs of the VMS. Host interface Primary data interface of the VMS with data output format that can be configured. Is used, amongother tasks, for the output of the measuring result in message format to the host/ the PLC. Used to integrate the VMS in the SICK network. Can be connected electrically as RS*232 or RS*422. Provides various transmission protocols. Line scanner Scanner that very rapidly deflects its focused laser beam with the aid of a polygon mirror wheel with mirrors parallel to the axis. In this way the scanner generates a dot of light in the measuring plane that repeatedly runs along a straight line and appears to be a “stationary” scan line due to the relative slow response of the human eye. Master/slave configuration Special arrangement and connection of two VMD volume measurement devices. Parameter set Data set using which the functions implemented in the VMD are initialised and activated. Is transmitted from the VMD to SOPAS and in the reverse direction using UPLOAD or DOWNLOAD respectively. Scan line See line scanner. SOPAS Configuration software, can be used with Windows 98/NT 4.0/2000/XP. Used for the offline configuration (adaptation to the read situation on-site) and the online operation of the VMS in the dialog box.
58
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Operating Instructions
Annex
Chapter 11
VMS 420/520
SOPAS setup help Online help that supports the usage of the SOPAS configuration software. The functions of the parameters for the are explained in the Help and the related value ranges given. Can be used with an HTML browser, e.g. Internet Explorer or I-ViewPro as supplied and can be opened from SOPAS setup. Terminal interface Auxiliary data interface (RS-232) on the VMS with fixed data output format. Using this interface it is always possible to access the VMS using the SOPAS configuration software. Is used, among other tasks, for the output of system messages and error messages. Upload Transmission of the parameter set from the VMS to the PC into the SOPAS configuration software. The values for the parameters are displayed on the file cards of the configuration software. Prerequisite for the modification of the current parameter set.
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Chapter 11
Annex
Operating Instructions VMS 420/520
11.5
Illustration containing the EU Declaration of Conformity
Fig. 20 shows page 1 of the EC Declaration of Conformity (size reduced). The full EC Declaration of Conformity is available on request.
Fig. 20:Illustration containing the EU Declaration of Conformity
60
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Annex
Operating Instructions
Chapter 11
VMS 420/520
11.6
Fig. 21:
Note
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Illustration of the OIML conformity certificate
Illustration of the OIML conformity certificate
This internationally valid certification does not directly replace national laws. For this reason, when using the VMS 520 in calibrated applications, observe the relevant national law.
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61
Chapter 11
Annex
Operating Instructions VMS 420/520
11.7
Fig. 22:
62
Illustration of the test certificate issued by the National Metrology Institute (Physikalisch-Technische Bundesanstalt)
Illustration of the test certificate issued by the National Metrology Institute (Physikalisch*Technische Bundesanstalt)
© SICK AG · Division Auto Ident · Germany · All rights reserved
8 010 448/P344/24-03-05
Operating Instructions
Annex
Chapter 11
VMS 420/520
8 010 448/P344/24-03-05
© SICK AG · Division Auto Ident · Germany · All rights reserved
63
8 010 448/24-03-2005 • RV
/VD • Printed in Germany • Subject to change without prior notice • The specified product features and technical data do not represent any guarantee • 05 Aft int53
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