Iq250 Controller Data Sheet

Transcript

Data Sheet IQ250 Controller IQ250 CONTROLLER Description Features The IQ250 is a large capacity controller designed for the control of all types of building plant. It can provide up to 64 inputs, and 32 outputs in different combinations using a range of different plug-in modules. To add to the IQ250’s power, Trend accessory modules may be connected to the input/output channels, to provide greater I/O flexibility. This enables the IQ250 to provide sufficient capability for complex strategies. It can operate either as a stand alone device or as part of a Building Management System. An optional Network Display Panel can be fitted internally or externally, providing access to all IQ controllers on a single or multi-Lan system. An optional standard external display panel (FPK, or HDP) may be used to access parameters within the controller. It also provides the ability to connect any Trend supervisor or Engineering Tool to the network without the need for a separate node controller. • 5 second cycle time. • Facility for external Standard (FPK, or HDP requires adaptor), or Network Display Panel. • Optional integral Network Display Panel. • Access to entire network via local supervisor connection. • Facility for mounting an additional node controller. • High capacity DDC with PID control loops. • Stand alone or integrated system operation. • Separate input/output modules for optimum configuration. • Range of enclosures. • Upwards compatible with IQ151+. ac supply 440 mm Physical input modules IQ 2 5 0 indicators, network connector, address/baud rate switch, and local supervisor connector 175 mm output modules display panel connector 550 mm IQ250 Controller Data Sheet TA102897 Issue 1/B 14/1/02 1 IQ250 Data Sheet FUNCTIONALITY The IQ250 Controller’s functionality cab be divided into two sections, the strategy, and the hardware. STRATEGY The strategy processes inputs according to a set of instructions and then outputs signals which can be used to control plant. Communications: When operating as part of a Building Management System the IQ250 will be connected to other devices via the Trend Network. This means that information within the IQ250 can be accessed using one of the Trend supervisor programs, or passed to other Trend IQ controllers using inter controller communications, enabling the sharing of information across the whole system. Configuration: The IQ250 uses the standard IQ configuration mode which enables configuration via the network, or by direct connection. Alternatively the ACE+ utility can be used to create a strategy data file which can then be downloaded to the controller. The 822+/Toolbox version 6 can be used to upload, and download IQF files. When connected to the network the controller can use up to 2 different addresses. One address is for the controller itself, and another for connection of an external Network Display Panel, or Supervisor. This means that the Network Display Panel, or Supervisor has its own network address when connected to the network via the controller. The controller’s address is set by a switch on the module, and the addresses for the display panel, and supervisor are software selectable. Modules: The strategy consists of a number of individual functional blocks known as configuration modules. These blocks can be linked in various combinations to enable plant to be controlled appropriate to the buildings requirements. The table lists the different types of configuration modules and the number of each type available with IQ250. Full details of the modules are given in the IQ Configuration Manual. Differences between the modules described in the manual and the IQ250’s modules are covered below. The Engineer’s Journal: The Engineer’s Journal enables information about changes made to the strategy to be entered. Pressing ‘J’ while in configuration mode displays all the existing messages. A new message can be entered by entering the next number (e.g. if there are 3 messages enter 4,) and then type the message. Module Type Number Module Type Number Sensor 48 Critical Alarm 4 Sensor type 12 Alarm Histor y 20 Loop 32 IC Comms 16 Function 160 Digital Inputs 48 Logic 160 Fast Sequence 8 Driver 32 Zone 5 Knob 30 Schedule 32 Switch 20 Calendar 20 Sensor log 40 User Password 6 Sequence step 400 Sequence time 5s I/O Card Summary: The I/O Card Summary lists the type of I/O card connected to each I/O slot. Typing ‘site’ while in configuration mode displays this list. Sensor Types: The IQ250 is inherently more accurate at thermistor temperature measurement as it measures both the reference voltage and the voltage developed across the thermistor and using a 0.1% bridge resistor then calculates the thermistor resistance. The IQ250 has five sensor types: 0 1 2 linear log linearise thermistor volts 3 4 linearise volts linearise thermistor ohms Type 0, linear, has been changed relative to the IQ151+ (or earlier controllers using ±5 V for linear voltage T and B parameters - IQ111, 131, 151) for linear voltage only in that T and B must be set to the values of the variable being sensed which give outputs of +10 V and -10 V respectively. This brings the IQ250 in line with all other current IQs (IQ7x, 9xe, 10x+, 111+, 131+). Type 1, log, is the same as before. Type 2, linearise, is now ‘linearise thermistor volts’, and is reserved for thermistors only. Type 3, linearise volts, is to be used for voltage or current signals which need to be linearised and is the same format as sensor type 2. Type 4, linearise thermistor ohms, may be used instead of type 2. It presents a more logical method of defining the thermistor linearisation requiring entry of ohms against temperature directly from the sensor characteristic. It also enables the linearisation points on the temperature scale to be individually chosen so that they can be closer together over a part of the characteristic where the gradient is changing rapidly, and further apart where the gradient changes only gradually. A sensor type 4 appears in configuration mode as shown. Scaling 4 U units 0.00 kohms 0.00 K linearise thermistor ohms V W Y Z 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 L M N O The parameters U, V, W ,Y ,Z and K, L, M, N, O are obtained from a characteristic graph of the sensor. For example: 2 IQ250 Controller Data Sheet TA102897 Issue 1/B 14/1/02 Data Sheet STRATEGY IQ250 (Continued) Sensor Scaling 110 100 90 80 70 Temperature °C 60 50 40 30 20 10 L 0 O K M -10 -20 -30 -40 0 20000 40000 60000 80000 100000 120000 140000 160000 180000 Ohms The graph shows the temperature characteristic for a Trend thermistor sensor. If the sensor is to be used for a temperature range -30 °C to +60 °C, then this defines points U, K and Z, O. The other three points have now to be chosen: The gradient changes most rapidly over the ‘knee’ of the characteristic therefore around this area the points should be closer together. The points are found by drawing four straight lines, approximating as closely as possible to the curve. Each of these lines should provide a best fit straight line approximation to that curve segment. The actual point values should be obtained from a table rather than a graph, for greater accuracy. The standard Trend table (see IQ Configuration manual) gives the following points for the -30 °C to +60 °C example. U V W Y Z °C -30 -10 10 30 60 K L M N O Ω 177000 55340 19980 8058 2488 Table showing recommended sensor type 4 settings for standard temperature ranges of Trend thermistor sensors. U °C -10 °C to 110 °C -10 °C to 40 °C -40 °C to 50 °C -10 °C to 70 °C -10 -10 -10 -40 V 2.5 -5 -28.5 0 W 16.5 4.5 -14 12.5 33 Y 42 19 8.5 Z 110 40 50 70 540.6 55.34 328.87 54.44 K KΩ L 28 40.5 157.9 32.49 M 14.06 25.26 64.35 16.93 N 3.9 12.63 19.18 6.38 O 0.51 5.32 3.6 1.75 Address module: The address module has an extra address for the NDP or supervisor connected to the supervisor port . sUpervisor port addr: This should be set to the network address of the supervisor or NDP connected via the IQ250 supervisor port. It can take the normal range of addresses on the network, as long as an address is not duplicated. If set to address zero the supervisor, or NDP will only communicate with the local IQ250. There is no supply frequency option on the address page as the problem of mains pickup is dealt with differently to other IQ controllers. Battery Status: The IQ250 has a battery status checking circuit which will check the battery on power up and thereafter at every midnight and will generate a digital bit if the battery voltage has fallen below a threshold value. If the voltage has fallen below this value it will set byte 506 bit 0. This bit being set is an indication that the battery needs to be changed. It should be used within the strategy to generate an alarm (e.g. critical alarm). The battery should be changed after the first indication. The battery will have a typical life of 10 years at 20 °C. This will be derated as the temperature increases with a minimum guaranteed life of about 5 years. It is recommended that the battery is replaced every 5 years. IQ250 Controller Data Sheet TA102897 Issue 1/B 14/1/02 The IQ250 will identify itself on ‘W’ comms (e.g. to the 945 and the NDP) as an IQ151 issue 8.1. This is so that existing versions of these products can operate with the IQ250. If the IQ250 receives a ‘W’ comms message aimed at the supervisor port it will identify the attached device. If there is no device attached then it will identify the port as a CNC. Time Resolution: The faster processor improves the time resolution on various modules. Loop and logic reschedule times now have a resolution of 1 s, and drivers start delay, TP period, and RL drive time have increments of 1 s with a maximum of 32767 s. Large numbers: As a result of certain calculations (e.g. divide by zero), an analogue value may be returned as ‘infinity’, and similarly, dividing infinity by infinity gives ‘NaN’ (not a number). Both these values are represented by alpha characters, but are treated by the strategy as very large numbers, e.g. if output via a driver they will cause it to drive to maximum output. 3 IQ250 Data Sheet HARDWARE Enclosures: If required the IQ250 can be fitted in a metal enclosure (ENCLS, ENCLS/FP, or ENCLS/NDP). The enclosure provides additional environmental protection for the unit (IP55). Connectors: Two part connectors are used throughout to facilitate wiring. The power supply uses a standard IEC connector. Network: The network terminals facilitate connection of 2 or 4 wire cables. The address and baud rate (19k2, 9k6, or 1k2) are selected by switches. The standard Trend node features are included (TX and RX , and LAN indicators, bypass relay, and network alarm generation). There is also the facility for connection of a Network Display Panel, or supervisor to the network via the controller without the need for an additional node controller. A location is also provided for mounting an extra node controller, e.g. MNC, should this be required. Supervisor: A computer running a Trend Supervisor or Utility program can be connected to the network via the controller’s supervisor port without the need for an additional node controller although it does have its own network address. When connected in this way the supervisor will have access to all devices on the network, and will function as if it were connected via its own node controller. Link Headers: A range of link headers is available to enable the input channels to accept a wider range of inputs: LKE/10mA: Provides 10 mA supply (e.g. for potentiometers) LKE/5V: Provides 5V, 20 mA supply LKE/15V: Provides 15V, 20 mA supply. The link header is fitted by removing the links for the appropriate channel, and fitting the link header in its place. Power: 230 Vac 50/60 Hz. Network Display Panel: A Network Display Panel can be mounted internally (on the front cover) or externally and connected via the supervisor port, and provides access to all IQ controllers on a single or multi-Lan system. Using icons, and softkeys it allows an operator to perform, under password protection, supervisory functions, such as setpoint adjustments, or to view logs and alarms from all controllers on the system. It can be powered from the IQ250. Fusing: The controller has no fuses; protection is provided by means of a self resetting thermally protected transformer. The I/O modules are also individually protected against short circuits. Battery Backup: Details about the strategy configuration, time and date, and logged data are stored in RAM. A plug-in lithium cell provides power to maintain the data in the event of power failure, or the controller being switched off. Display Panel: A standard Display Panel (FPK, or HDP) can be mounted externally, and connected via the display panel connector (if KIT/2xx/RDS). This provides access to parameters within the controller. Auxiliary Supply: There is a 24 Vdc auxiliary supply provided on the power supply board to power external relay modules, sensors, external NDP etc. It is thermally protected and can supply a maximum of 500 mA. This will normally be available, but if the IQ250 has a full complement of input and output modules with NDP, external DP, and an integral comms node fitted the amount of auxiliary power available for other purposes will have to be calculated. The internal IQ250 24 Vdc supply has 2100 mA available after deduction of current required for main board and network. This has to supply input and output modules, integral node, and the 24 Vdc auxiliary supply. These loads can be calculated as follows: Input Module 8 digital inputs @ 8 mA per channel 8 analogue inputs @ 20 mA per channel (thermistor and voltage inputs can be ignored) Max total for whole module = (8x8)+(20x8) = 224 mA For example: Output Modules 8 analogue outputs @ 20 mA per channel Max total for whole module = 20x8 = 160 mA 8 digital outputs @ 24 mA per channel Max total for whole module = 24x8 = 192 mA Current consumed: 4 input modules (all analogs are current) 4 x 224 =896 mA 2 digital output modules 2 x 192 mA=384 mA 2 analogue output modules (at max). 2 x 160 mA=320 mA 1 NDP 100 mA 1 MNC 200 mA Total 1900 mA Current available: 2100 - 1900 =200 mA Integral Node (e.g. MNC) = 200 mA. IQ250 with 4 input modules, 2 digital output modules, 2 analogue output modules, integral NDP and an MNC. How much current is available from the auxiliary supply? For consumption of other nodes see the respective data sheets. External DP=30 mA Integral NDP=100 mA 4 IQ250 Controller Data Sheet TA102897 Issue 1/B 14/1/02 Data Sheet HARDWARE IQ250 (Continued) Inputs: The input channel combination is dependent on the number of input modules fitted. Each module provides 8 analogue, and 8 digital inputs. A maximum of 4 input modules may be fitted to a single IQ250. Analogue Input (8 identical circuits) 24V C V V 24V 100K 4K7 10K IN I 100K 27K 5V Digital Input (8 identical circuits) Yellow IN 250R 0V T 100K C 0V Externally powered current sensor 0V Outputs: The output channel combination is dependent on the output modules fitted. There are two different modules; one which provides 8 digital outputs, and another that provides 8 analogue voltage outputs. A maximum of 4 output modules may be fitted to a single IQ250 in any configuration. A Trend 2VID interface module can be used in conjunction with the analogue voltage output module to provide analogue current outputs. Analogue Voltage Output (8 identical channels) Digital Output (8 identical channels) ON N/C +24 N/O C OFF 22R Auto 100R 3K9 Digital outputs have manual override facilities as indicated above. OUT COM 0V Yellow Warning: High voltage may be present. Isolate elsewhere. 0V COMPATIBILITY Supervisors: Utility software: Controllers: 94x series, 921, NDP 822+/Toolbox version 6, 841 Strategy Browser, 842 Change Tracker, 843 Lan Map 845 Loop Tuner, ACE+. It can communicate to other Trend IQ controllers using inter controller communications. Interface: Strategy: It can be connected to Trend interface modules. Check interface module specification to ensure compatibility. All IQ151+ strategies with certain exceptions as described below. Strategy files: A standard uploaded strategy file (.IQF) can be downloaded to an IQ250 (see loop reschedule time below), but an .IQF file uploaded from an IQ250 has a different format to IQ1 series controllers’ files, it cannot be downloaded to them. If this is attempted, the controller will fail to send ‘Load OK’. Sensor types: For sensor type 0, if the data file has been uploaded from an IQ151+ (or earlier controller using ±5 V for linear voltage T and B parameters) and if the sensor outputs a voltage signal, the T and B values will have to be multiplied by 2 and re-entered by the user. Loop reschedule time: A strategy file uploaded by the 822+/ Toolbox is designated an .IQF file. When this is downloaded to the IQ250, the IQ250 assumes that it has come from an IQ151+ and will change the loop reschedule time accordingly. It is entered in minutes on an IQ151, or 151+, whereas it is entered in seconds on all other controllers including the IQ250. It will automatically be converted to seconds (multiplied by 60) on download to an IQ250. For sensor type 2, parameters set up in IQ1 series controllers will operate correctly in a IQ250 for a thermistor, but if the sensor is current or voltage it will need to have the sensor type changed to 3. When the sensor type is changed, the other parameters (B, T, F, G etc) will stay the same and hence be correct. If the file being downloaded to the IQ250 has come from an IQ other than an IQ2 series controller, IQ151, or 151+ then (because of the way the IQ250 stores the reschedule time) the loop reschedule time will have to be divided by 3 and re-entered by the user. IQ250 Controller Data Sheet TA102897 Issue 1/B 14/1/02 5 IQ250 Data Sheet INSTALLATION The IQ250 Controller is installed on a flat surface, a wall, or panel, using screws and washers. The procedure involves: mounting the controller in position routing the cables fitting earthing bars wiring the I/O fitting input/output modules setting the address and baud rate positioning input/output links connecting the input channels connecting the output channels connecting to network connecting to the power supply commissioning. Inputs (EIN module) 8 A I1 IN A I2 C IN A I3 C IN A I4 C IN 8 A I5 C IN A I6 C IN A I7 C IN A I8 C IN D I2 D I1 C IN C IN D I3 C IN D I4 C IN D I5 C IN D I6 C IN D I7 C IN D I8 C IN C Outputs (EAO module) Outputs (EDO module) 8 8 A O 1 O U T C A O 2 O U T C A O 3 O U T C A O 4 O U T C A O 5 O U T C A O 6 O U T C A O 7 O U T C A O 8 O U T C C D O 1 N o N c C D O 2 N o N c C D O 3 N o N c C D O 4 N o N c C D O 5 N o N c C D O 6 N o N c C D O 7 N o N c C D O 8 N o N c C A U T IO N H IG H V O L T A G E M A Y B E P R E S E N T IS O L A T E E L S E W H E R E Network Using four wire method Using two wire method N E T W O R K N E T W O R K Earthing bar. T- T+ OUT IN R- R+ Earthing bar. T- T+ R- R+ T- T+ R- R+ OUT IN The installation procedure is covered in the IQ250 Installation Instructions (TG102898). FIELD MAINTENANCE The IQ250 Controller requires virtually no routine maintenance, however it is recommended that the lithium battery be replaced every 5 years, as explained in the Installation Instructions (TG102898). 6 IQ250 Controller Data Sheet TA102897 Issue 1/B 14/1/02 Data Sheet IQ250 ORDER CODES IQ250/[Display]/[Node]/[I/O Modules]/[PSU] [Display [Node] blank No display ENDP IQ250 with NDP on front cover e.g. [I/O Modules] blank No node EIN 8 analogue + 8 digital inputs MNC Node including Trend MODEM EAO 8 analogue voltage outputs ANC Node for proprietr y MODEM EDO 8 digital outputs CNC Node for Trend network PNC Node for remote printer INC Node for Trend Internetwork AND Node for ISDN XN28 Node for PSDN XNC Node for user configuration IQ250/MNC/4EIN/3EDO/230 [PSU] 230 230 Vac Only specify the modules required. (Max 4 input modules, and 4 output modules) Specifies an IQ250 with integral MNC, 4 input modules, and 3 digital output modules with 230 Vac supply (220 to 240 Vac). The if required a kit for fitting an additional node in the IQ250 can be purchased. KIT/[Node]/[IQ250] [Node] MNC Node including Trend MODEM ANC Node for proprietry MODEM CNC Node for Trend network PNC Node for remote printer INC Node for Trend Internetwork AND Node for ISDN XN28 Node for PSDN XNC Node for user configuration Enclosures for the IQ250 can be ordered seperately: ENCLS ENCLS/DP ENCLS/NDP 600 mm x 600 mm x 210 mm IP55 enclosure for IQ250 600 mm x 600 mm x 210 mm IP55 enclosure for IQ250 with DP on front of enclosure 600 mm x 600 mm x 210 mm IP55 enclosure for IQ250 with NDP on front of enclosure KIT/2xx/RDS Adaptor kit for to enable an external display panel (FPK of HDP) to be connected to early versions of the IQ250 KIT/ENDP/250 Kit for fitting an internal NDP to the IQ250. IQ250 Controller Data Sheet TA102897 Issue 1/B 14/1/02 7 IQ250 Data Sheet SPECIFICATIONS CONTROLLER Environmental Electrical EMC emissions immunity Safety Ambient limits storage operating humidity CPU CPU speed Cycle time Memory Supply voltage Auxiliary supply Consumption Battery backup Battery Clock accuracy Network Network display panel Display panel Distance supervisor network Cable Belden 9182 Belden 9207 Trend TP/1/1/22/HF/500 (Belden 8761) Trend TP/2/2/22/HF/500 (Belden 8723) :68EC020 32 bit processor :16.67 MHz :5 s :128 kbyte battery-backed SRAM, and 256 kbyte Flash. :230 Vac -15 + 10 %, 50 to 60 Hz :24 Vdc, 500 mA dependent on configuration, see page 4 for further details. :100 VA max :Battery maintains time, and logged data with mains off for at least 5 years. :Saft LM2450, 3 V, or equivalent :30 s per month (typical). :20 mA serial 2 wire current loop, opto isolated, polarity independent receiver. :Icon driven display panel with backlit display, for use on single or multi Lan systems. To be mounted internally or externally. :2x40 character display, with 4 programmable softkeys, to be mounted externally (FPK or HDP only, requires KIT/2xx/RDS to be fitted). :15 m :Dependent on cable type, see table below. 1k2 baud 9k6 baud 19k2 baud 1000 m 1000 m 1000 m 1000 m 700 m 500 m 2 2 1000 m 700 m 350 m 2 1000 m 500 m 250 m 4 supervisor Input modules Output modules PWR WD I/O LAN TX :ON when power supply is connected. :ON if controller has a software fault. :Flashing during normal operation. :ON if network is operating. :ON if current is flowing from the network transmitter. :ON if current is entering the network receiver. RX I/O MODULES Dimensions Weight Connector Main board inputs/Outputs Signal Cable No. of Wires Dimensions Material Chassis I/O modules Cover Protection /UNB Weight Connector I/O modules power network V :Selectable by switch, 116 nodes addressable (1,4 to 119 excluding 10). :Software selectable, 116 nodes addressable (1,4 to 119 excluding 10). :Up to 4 modules. :Up to 4 modules. I supervisor display panel T Digital inputs Status LED :550 mm x 175 mm x 440 mm :2 part connector, 50 mm half pitch :2 part connector screw terminals for 0.5 to 2.5 mm 2 cross section area cable. :Analogue Voltage, Current, Thermistor, or Digital inputs, and Analogue outputs. Trend TP/1/1/22/HF/500 recommended (Belden 8761) :12 bit resolution (4096 steps). Minimum 60 dB series mode rejection at supply frequency. Linkable for analogue current (I), analogue voltage (V), or thermistor (T) :0 to 10 V input resistance 200 kΩ, accuracy 50 mV equivalent to ±0.5% of span. :0 to 20 mA input resistance 250 Ω 0.1%, accuracy 0.5 % of span (i.e. 100 µA) :Thermistor, bridge resistor 10 kΩ 0.1%, accuracy 0.5 % of span. Bridge supply 5V. :Internally, or self powered volt free contact. Wetting current 5 mA @ 24 Vdc count rate 32 Hz max. :One per digital input. ON if input is closed 8 Analogue Output Module (/EAO/) :Zinc plated and passivated mild steel :Extruded aluminium with alocrom finish. :Fire retardant moulded ABS. Analogue outputs :IP20 :14.5 kg (fully loaded) Status LED :2 part connector, 50 mm half pitch :IEC plug :2 part connector screw terminals for 0.5 to 2.5 mm2 cross section area cable. :RJ11 (FCC68), 6 pin, for Trend utility or NDP software connected via adaptor cable PART/10/1442. :25 way D type (if KIT/2xx/RDS fitted). :72 mm x 202 mm x 43 mm :0.3 kg approx. 8 Analogue, 8 Digital Input Module (/EIN/) :Selectable by switch 1k2, 9k6, or 19k2. :9k6. Mechanical :-10 °C to 50 °C :0 °C to 45 °C :0 to 95 %RH non-condensing Indicator Lamps Analogue inputs Baud rate network supervisor Network addresses controller :EN50081-1. :prEN50082-2. :EN61010. :8 bit resolution (256 steps). 0 to 10 V with 20 mA current limit, accuracy ±50mV equivalent to ±0.5 % span. :1 per channel. Light intensity increases with output voltage. 8 Digital Output Module (/EDO/) Digital outputs Status LED Manual override :Single pole changeover relay, contacts rated at 10 A resistive, 2 A inductive (28 Vdc, 240 Vac). :1 per channel. ON when relay is energised. :Each channel is linkable for ON, OFF, or AUTO. Trend Control Systems Ltd reserves the right to revise this publication from time to time and make changes to the content hereof without obligation to notify any person of such revisions or changes. Trend Control Systems Ltd. P.O. Box 34 Horsham Sussex RH12 2YF England Tel:+44 (0)1403 211888 Fax:+44 (0)1403 241608 www.trend-controls.com 8 IQ250 Controller Data Sheet TA102897 Issue 1/B 14/1/02