Transcript
Operating M Manual Incl. EU Declara ation of Conform mity
Single-Cha annell, Two o-Cha annel & Th hree-C Chann nel Contrrol Un nits VGC501, VGC5 502, VG GC503
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Produ uct Identiffication
In n all communiccations with IN NFICON, please specify thee information on o the productt nameplate:
Specimen namepla ate
Validity
This documentt applies to pro oducts with pa art numbers: 398--481 (VGC501, Single--Channel Control Unit) 398--482 (VGC502, Two-Channel Control Unnit) 398--483 (VGC503, Three--Channel Control U Unit) The part numbe er (Mod.-No.) can be found on the producct nameplate. This manual is based on firm mware version V1.04. If your unit doe es not work as described in this t documentt, please chec ck that it is mware version (→ 58). equipped with tthe above firm t legends, th he illustrationss in this docum ment If not indicated otherwise in the orrespond to tthe unit VGC5 503 (Three-Ch hannel Controll Unit). They apply a to the co VGC501 V (Singlle-Channel Co ontrol Unit) and to the VGC5502 (Two-Cha annel Control Unit) U by analog gy. We W reserve the e right to make e technical cha anges withoutt prior notice. All A dimensions are indicated in mm.
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Intended Use
The Control Units VGC501, VGC502 and VGC503 are used together with INFICON gauges for total pressure measurement. All products must be operated in accordance with their respective operating manuals.
Scope of Delivery
The scope of delivery consists of the following parts: 1× Control Unit 1× Power cord (country-specific) 1× Rubber bar 2× Rubber feet 4× Collar screws 4× Plastic sleeves 1× CD-ROM (manuals, tools, …) 1× EU Declaration of Conformity 1× Installation Manual
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Contents
4
Product Identification Validity Intended Use Scope of Delivery
2 2 3 3
Contents
4
1 Safety 1.1 Symbols Used 1.2 Personnel Qualifications 1.3 General Safety Instructions 1.4 Liability and Warranty
6 6 6 7 7
2 Technical Data
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3 Installation 3.1 Installation, Setup 3.1.1 Rack Installation VGC501 3.1.2 Rack Installation VGC502, VGC503 3.1.3 Installation in a control panel 3.1.4 Use as Desk-Top Unit 3.2 Mains Power Connector 3.3 Gauge Connectors CH 1, CH 2, CH 3 3.4 CONTROL Connector VGC501 3.5 CONTROL Connector VGC502, VGC503 3.6 RELAY Connector VGC502, VGC503 3.7 Interface Connector USB Type B 3.8 Interface Connector USB Type A 3.9 Interface Connector Ethernet
12 12 12 15 16 17 18 19 21 22 22 24 24 25
4 Operation 4.1 Front panel 4.2 Turning the VGC50x On and Off 4.3 Operating Modes 4.4 Measurement Mode 4.5 Parameter Mode 4.5.1 Switching Function Parameters 4.5.2 Gauge parameters 4.5.3 Gauge Control 4.5.4 General Parameters 4.5.5 Test Parameters 4.5.6 Data Logger Mode 4.5.7 Parameter Transfer Mode
26 26 28 28 31 33 34 38 46 50 58 61 63
5 Communication Protocol (Serial Interface) 5.1 Data Transmission 5.2 Communication Protocol 5.3 Mnemonics 5.4 Measurement Mode 5.5 Switching Function Parameters 5.6 Gauge Parameters 5.7 Gauge Control 5.8 General Parameters 5.9 Data Logger Parameters 5.10 Parameter Transfer 5.11 Test Parameters 5.12 Further 5.13 Example
65 66 67 68 70 76 77 84 85 91 92 92 97 98
6 Maintenance
99
7 Troubleshooting
100
8 Repair
101
9 Accessories
101
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Storage
101
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Disposal
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Appendix A: ConversionTables B: Firmware Update C: Ethernet Configuration C 1: Connect the VGC50x to a Network C 2: Connect the VGC50x to a Computer C 3: Ethernet Configuration Tool D: Literature
102 102 103 106 106 107 107 110
ETL Certification
112
EU Declaration of Conformity
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For cross-references within this document, the symbol (→ XY) is used; for crossreferences to further documents listed under ‘Literature’, use is made of the symbol (→ [Z]).
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1 Safety S 1.1 Symbols S U Used Symbols S for rresidual riskss
DA ANGER Information I on n preventing any a kind of phy ysical injury.
W WARNING Information I on n preventing extensive e equipment and ennvironmental damage. d
Ca aution Information I on n correct hand dling or use. Disregard D can llead to malfun nctions or minor m equipme ent damage.
Further F symb bols The lamp / display y is lit. The lamp / display y flashes. The lamp / display y is off. Presss the key (exa ample: parameter key).
Do n not press any key. <……>
Labe eling
1.2 Personnel P l Qualifica ations Skille ed personn nel All A work descrribed in this do ocument may only be carrieed out by perso ons who have h suitable technical train ning and the necessary expperience or who have been instructed i by tthe end-user of o the product.
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1.3 Gene eral Safety y Instru uctions
Adhere to the applica able regulations and take thee necessary precautions p forr all work yo ou are going to o do and consider the safetyy instructions in i this docume ent.
DANGER DANGER R: mains voltag ge Contact with w live parts is extremely hhazardous whe en any objectss are introduced d or any liquid ds penetrate innto the unit. Make sure e no objects enter e through tthe louvers an nd no liquids penep trate into the t equipment.
Discon nnecting device
The discconnecting de evice must be readily identififiable by and easily e reached d by the user. onnect the uniit from the mains supply, yoou must unplug g the mains ca able. To disco
Disconn necting device EN 61010-1 acc. to E
unicate the saffety instruction ns to all other users. Commu
1.4 Liability and Warranty W
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INFICO N assumes no o liability and the t warranty iss rendered nu ull and void if the t enduser or tthird parties • disre egard the information in this document • use tthe product in a non-conform ming manner • make e any kind of interventions (modifications,, alterations ettc.) on the pro oduct • use tthe product with accessories s not listed in the correspon nding product documenttation.
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2 Technical Data Mains specifications
Ambience
Voltage Frequency Power consumption VGC501 VGC502 VGC503 Overvoltage category Protection class Connection
Temperature Storage Operation Relative humidity Use Pollution degree Degree of protection
Gauge connections
Number VGC501 VGC502 VGC503 Gauge connections per channel
Compatible gauges Pirani
Pirani / Capacitance Cold cathode Cold cathode / Pirani Hot ionization / Pirani Capacitance
Hot ionization / Capacitance / Pirani
Gauge supply
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Voltage Ripple Current Power Fuse protection
100 … 240 V (ac) ±10% 50 … 60 Hz ≤45 W ≤65 W ≤90 W II 1 European appliance connector IEC 320 C14
–20 … +60 °C + 5 … +50 °C ≤80% up to +31 °C, decreasing to 50% at +40 °C indoors only max. altitude 2000 m NN II IP30
1 2 3 RJ45 (FCC68), 8-pin (→ 20) D-Sub, 15-pin, female (→ 20) (connected in parallel) PSG400, PSG400-S, PSG100-S, PSG101-S, PSG500, PSG500-S, PSG502-S, PSG510-S, PSG512-S, PSG550, PSG552, PSG554 PCG400, PCG400-S, PCG550, PCG552, PCG554 PEG100, MAG500, MAG504 MPG400, MPG401, MPG500, MPG504 BPG400, BPG402, HPG400 CDG020D, CDG025, CDG025D, CDG025D-X3, CDG045, CDG045-H, CDG045D, CDG045D2, CDG045Dhs, CDG100, CDG100D, CDG100D2, CDG100Dhs, CDG160D, CDG200D BCG450
+24 V (dc) ±5% <±1% 0 … 1 A (per channel) 25 W (per channel) 1.5 A (per channel) with PTC element, selfresetting after turning the unit off or disconnecting the gauge. The supply conforms to the grounded protective extra low voltage requirements.
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Operation
Front panel VGC501 VGC502, VGC503 Remote control
Measurement values
Measurement ranges Measurement error analog Gain error Offset error Measurement rate analog Display rate Filter time constant Slow Normal Fast Measurement units Offset correction Calibration factor A/D converter
Switching functions
Number VGC501 VGC502 VGC503 Reaction delay
Adjustment range Hysteresis
Switching function relays
Contact type Load max. Service life Mechanical Electrical Contact positions Connector VGC501 (CONTROL) VGC502, VGC503 (RELAY)
Error signal
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Number Reaction time
via 3 keys via 4 keys via USB type B interface via Ethernet interface
depending on gauges (→ [1] … [27]) ≤0.01% F.S. (typical) ≤0.10% F.S. (over temperature range, time) ≤0.01% F.S. (typical) ≤0.10% F.S. (over temperature range, time) ≥100 / s ≥10 / s 8 s (fg = 0.02 Hz) 800 ms (fg = 0.2 Hz) 160 ms (fg = 1 Hz) mBar, hPa, Torr, Pa, Micron, V for linear gauges 0.10 … 10.00 resolution 0.001% F.S. (the measurement values of BPG, HPG, BCG and CDGxxxD are transmitted digitally)
2 4 (user-assignable) 6 (user-assignable) ≤10 ms, if switching threshold close to measurement value (for larger differences consider filter time constant) depending on gauge (→ 36, 37) ≥1% F.S. for linear gauges, ≥10% of measurement value for logarithmic gauges
floating changeover contact 60 V(dc), 30 W (ohmic) 30 V(ac), 1 A (ohmic) 8 1×10 cycles 1×105 cycles (at max. load)
→ 23 D-Sub appliance connector, male, 15-pin (pin assignment → 21) D-Sub appliance connector, female, 25-pin (pin assignment → 22)
1 ≤10 ms
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Error signal relay
Contact type Load max. Service life Mechanical Electrical Contact positions Connector VGC501 (CONTROL) VGC502, VGC503 (RELAY)
Analog outputs
Number VGC501 VGC502 VGC503 Voltage range Deviation from display value Output resistance Measuring signal vs. pressure CONTROL connector VGC501 VGC502, VGC503
Recorder output (VGC502, VGC503 only)
Number Voltage range Resolution Accuracy Internal resistance Measuring signal vs. pressure CONTROL connector
8 1×10 cycles 1×105 cycles (at max. load)
→ 23 D-Sub appliance connector, male, 15-pin (pin assignment → 21) D-Sub appliance connector, female, 25-pin (pin assignment → 22)
1 2 (1 per channel) 3 (1 per channel) –5 … +14.5 V (dc) If no gauge is connected, +14.5 V (dc) is output ±20 mV <50 Ω depending on gauge (→ [1] … [27]) D-Sub appliance connector, male, 15-pin (pin assignment → 21) D-Sub appliance connector, male, 9-pin (pin assignment → 22)
1 0 … +10 V (dc) 1 mV ±20 mV <50 Ω programmable D-Sub appliance connector, male, 9-pin (pin assignment → 22)
USB Type A interface
Protocol
FAT file system file handling in ASCII format
USB Type B interface
Protocol Data format
ACK/NAK, ASCII with 3-character mnemonics bi-directional data flow, 1 start bit, 8 data bits, 1 stop bit, no parity bit, no handshake 9600, 19200, 38400, 57600, 115200
Transmission rate
Ethernet interface
Protocol Data format Transmission rate IP Address MAC Address
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floating normally open contact 60 V(dc), 0.5 A, 30 W (ohmic) 30 V(ac), 1 A (ohmic)
ACK/NAK, ASCII with 3-character mnemonics, bi-directional, 1 start bit, 8 data bits, 1 stop bit, no parity bit, no handshake 9600, 19200, 38400, 57600, 115200 DHCP (default) or manual setting (→ 106) readable via "MAC" parameter
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Dimensions [mm]
VGC501 1
VGC502 2, VGC503
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For inco orporation into o a rack or con ntrol panel or aas a desk-top unit
Weight
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0.85 kg 1.10 kg 1.14 kg
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3 In nstallatio on
Skilled personnel p The e unit may only be installed by persons w who have suita able technical trai ning and the necessary n exp perience or whho have been instructed by the end-user of th he product. The unit is suite ed for incorpo oration into a 19" rack or a co control panel or o for use as a desk-top unit.
DANG GER Puttting a productt which is visib bly damaged i nto operation can be extrem mely hazardou us. If the produ uct is visibly ddamaged do not put it into ope eration and ma ake sure it is not n inadvertenntly put into op peration.
3.1 Installation, Setup 3.1.1 Rack Insta allation VG GC501
The unit is desiigned for insta allation into a 19" rack chasssis adapter ac ccording to DIN D 41 494. Fo or this purpose e, four collar screws and plaastic sleeves are a supplied with w it.
DANG GER DA NGER: protec ction class of the t rack he product is installed in a ra ack, it is likelyy to lower the protection p If th classs of the rack (protection ag gainst foreign bodies and wa ater) e.g. acccording to the EN 60204-1 regulations forr switching cab binets. Takke appropriate e measures for the rack to m meet the speciifications of the protection cla ass.
Guide rail
In n order to redu uce the mecha anical strain on the front pannel of the VGC C50x, prefera-bly equip the ra ack chassis ad dapter with a guide g rail.
Guide G rail
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Moun nting height
Rack installation
Heigh ht 2
Height 3
Height 2 rack chassiis adapter (→ , 13)
Height 2 rack cha assis adapter
Height 3 rack chassis adapter a (→ ,, 14)
S Secure the rac ck chassis ada apter in the racck frame.
The e maximum ad dmissible ambbient temperature (→ 8) must m not be exceeded e and d the air circulaation must nott be obstructed. Rac ck chassis adapter Height 2
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Slide the e VGC501 into the adapter …
… and fa asten the VGC C501 to the rac ck chassis adaapter using the e screws supplied w with it.
Height 3 racck chassis adapter
For incorporatio on into a 19" rack r chassis adapter, a heightt 3, an adapte er panel (incl. wo collar screw ws and plastic c sleeves) is available (Acceessories → 101). tw
Secure the rack adap pter in the rack k frame.
The maxim mum admissible ambient tem mperature (→ 8) must nott be exceeded and the airr circulation m ust not be obs structed. Rack cha assis adapter Height 3
he adapter pa Mount th anel as upper extension e to thhe front panel of the VGC501 1 using the sc crews supplied d with the adappter panel. Adapter panel p (Height 2 to height 3)
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S Slide the VGC C501 into the rack chassis addapter … Height H 3
he adapter pan nel to the rackk chassis adap pter using the screws … and fasten th upplied with the VGC501. su
3.1.2 Rack k Installatio on VGC C502, VGC5 503
The unitt is designed for f installation into a 19" racck chassis ada apter accordin ng to DIN 41 4 494. For this purpose, p four collar screws and plastic sleeves are sup pplied with it.
DANGER DANGER R: protection class of the racck If the prod duct is installed in a rack, it is likely to low wer the protecttion class of th he rack (protec ction against fforeign bodies s and water) e.g. according g to the EN 602 204-1 regulatiions for switch hing cabinets. Take appropriate measures for the raack to meet th he specification ns of ction class. the protec
Guide rail
In orderr to reduce the e mechanical strain s on the frront panel of the t VGC502/5 503, preferab bly equip the rack r chassis adapter a with a guide rail.
Guide rail
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Height 3 racck chassis adapter
Secure the rack adap pter in the rack k frame.
The maxim mum admissible ambient tem mperature (→ 8) must nott be exceeded and the airr circulation m ust not be obs structed. Rack cha assis adapter Height 3
Slide the e VGC502/503 into the rack k chassis adappter …
… and fa asten the adap pter panel to th he rack chassiis adapter usin ng the screwss supplied w with the VGC5 502/503.
3.1.3 Installatio on in a conttrol panel
DANG GER DA NGER: protec ction class of the t rack he product is installed in a ra ack, it is likelyy to lower the protection p If th classs of the rack (protection ag gainst foreign bodies and wa ater) e.g. acccording to the EN 60204-1 regulations forr switching cab binets. Takke appropriate e measures for the rack to m meet the speciifications of the protection cla ass.
VGC501
For mounting th he VGC501 in nto a control panel, the follow wing cut-out is s required:
The maximum m adm missible ambie ent temperature (→ 8) must nnot be exceed ded and the air ot be obstructe ed. circulation must not
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For redu ucing the mec chanical strain on the front ppanel of the VG GC501, preferrably support the unit.
S Slide the VGC C501 into the cut-out c of the ccontrol panel …
… and secure itt with four M3 or equivalent screws.
VGC C502, VGC50 03
For mou unting the VGC C502/503 into o a control pannel, the following cut-out is rer quired:
e ambient temperaThe maximuum admissible ture (→ 8)) must not be exceeded and d the air circulation m must not be ob bstructed.
ucing the mec chanical strain on the front ppanel of the VG GC502/503, preferap For redu bly supp port the unit.
S Slide the VGC C502/503 into the t cut-out of the control pa anel …
… and secure itt with four M3 or equivalent screws.
3.1.4 Use as Desk-T Top Unit
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The VG GC50x may als so be used as a desk-top unnit. For this purpose, two selfadhesivve rubber feet and a slip-on rubber bar aree supplied with it.
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Stick the e two supplied d rubber feet to the rear part rt of the bottom m plate …
Select a loccation where the admissible e maximum aambient tempe erature is not exceeded (ee.g. due to sun irradiation) (→ 8).
… and sslip the supplie ed rubber bar onto the bottoom edge of the front panel.
3.2 Mains Pow wer Conne ector
DANG GER DA NGER: line vo oltage orrectly grounded products can be extrem mely hazardou us in the Inco eve ent of a fault. Use e only a 3-con nductor power cable with prootective groun nd. The mains pow wer connectorr may only be plugged into a socket with a protective gro und. The protection must no ot be nullified by an extensiion cable hout protective e ground. with The unit is supp plied with a po ower cord. If th he mains connnector is not compatible c with w your syste em, use your own, o suitable cable c with prottective ground d (3×1.5 mm3). )
The so ocket must be fuse-prrotected with 1 10 Amax
If the unit is insstalled in a switching cabinet, the mains vvoltage should be supplied d and turned on vvia a central distributor.
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Ground d Connection
On the rrear of the uniit is a screw enabling the VG GC50x where necessary to be connectted via a groun nd conductor, e.g. with the pprotective gro ound of the pum mp stand. Protectivve groundin ng
Do nnot unfasten thhis screw (inteernal ground prrotection)
3.3 Gaug ge Connec ctors CH 1, 1 CH 2,, CH 3
For eac h channel there are two con nnections avaailable which are a connected in parallel:: •
one RJ45 appliance connector, female, 8-pinn (CH A)
•
one D-Sub appliance connectorr, female, 15-ppin (CH B) he gauge to the CH 1, CH 2 or CH 3 conn nector via a se ensor Connect th cable set available a from us (→ sales liiterature) or yo our own, scree ened (electroma agnetic compatibility) sensorr cable. Use compatible gau uges (→ 8).
Caution Caution: Multiple M conne ection Only one sensor may be connected tto each of the channels (connectio on CH A or CH H B). Otherwisse the connec cted sensors may m be damaged.
1 only at once
DANGER DANGER R: Hazardous voltage v According g to EN 61010, voltages excceeding 30 V (ac) ( or 60 V (d dc) are hazardous s. Only conn nect a protective low voltagee (PELV).
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Pin P assignme ent CH 1, CH H 2, CH C 3 Appliance e socket RJ45 Pin P assignmen t of the female e 8-pin RJ45 appliance conn nectors:
Pin 1 2 3 4 5 6 7 8
Sign nal +24 V (dc) Supp ply ply common GND Supp (measuring signal 0 … +100 V (dc)) Sign nal input Iden ntification Sign nal common us Statu HV_ _L HV_ _H / HV_EMI
Appliance e socket D-Sub
Pin P assignmen t of the female e 15-pin D-Sub appliance conn nectors:
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Pin
Sign nal
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
EMI status nal input Sign us Statu HV_ _H / HV_EMI ply common Supp n.c. Deg as Supp ply n.c. ntification Iden ply Supp Sign nal common RxD D TxD Cha ssis
(measuring signal 0 … +100 V (dc)) GND +24 V (dc) +24 V (dc)
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3.4 CONT TROL Con nnector VGC5 501
This con nnector allows s the user to re ead the measuuring signal, evaluate e the sttate of the floatting contacts of o the error relay, and activaate or deactiva ate the gaugess (only for cold cathode gaug ges PEG/MAG G). Connect th he peripheral components c too the CONTROL connector on the rear of the unit using you ur own, screenned (electromagnetic compatibility) cable.
DANGER DANGER R: Hazardous voltage v According g to EN 61010, voltages excceeding 30 V (ac) ( or 60 V (d dc) are hazardous s. Only conn nect a protective low voltagee (PELV).
Pin asssignment Pin assiignment of the e male 15-pin D-Sub appliancce connector:
Pin 1 2
Signal Analog outp put –5 … +13 + V (dc) Analog outp put GND Switching fu unction 1
3 4 5 6 7 8
sure bellow Press Pressure above thresh hold thrreshold or pow wer supply turned offf HV_H on n +24 V offf 0V +24 V (dc), 200 mA use-protected at 300 mA with PTC eleme ent, Fu Chassis = GND G se elf-resetting affter power off or pulling the CONTROL con nector. Meets s the requirements of a grounded prot otective extra lo ow voltage. Error signal
9 10 11
No o error
Error or power supp ply turned d off
Switching fu unction 2 12 13 14 15
Pressure above thrreshold or pow wer supply turned offf Chassis = GND G
Press sure bellow thresh hold
The analog g output (pin 1) differs from the displayed value by no more m than ±20 mV. m
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3.5 CONTROL C L Connecttor VGC502, V V VGC503
The CONTROL L connection contains c the fo ollowing signaal pins: •
Analog outp puts for the sig gnals of the individual channnels.
•
Recorder o utput. This is a programmab ble analog outtput which can n be assigned d nels. to one of th e three chann
•
HV-EMI. Ussed to switch the t high-vacuu um circuit of thhe PEG/MAG gauges on and off. The e signal levels s are: On = +24 V Off = 0 V ONTROL connector on the pheral compon nents to the CO Con nect the perip rear of the unit using your own, screened (eleectromagnetic c compatibility)) cabl e.
DANG GER DA NGER: Hazarrdous voltage ges exceedingg 30 V (ac) or 60 6 V (dc) are Acccording to EN 61010, voltag hazzardous. Onlly connect a protective p low voltage v (PELV V).
Pin P assignme ent Pin P assignmen t of the male 9-pin 9 D-Sub appliance conn nector:
Pin 1 2 3 4 5 6 7 8 9
Sign nal Anallog output 1 Anallog output 3 Scre eening GND HV_ _EMI 3 HV_ _EMI 1 Anallog output 2 order output Reco Scre eening GND HV_ _EMI 2
–5 … +13 + V (dc) –5 … +13 + V (dc)
–5 … +13 + V (dc) 0 … +10 V (dc)
The analog outputs (pins 1, 2, 6) 6 differ from tthe displayed values v by no e than ±20 mV V. more
3.6 RELAY R Co onnector VGC502, V V VGC503
The switching ffunctions and the error mon nitoring system m influence the e state of se everal relays iinside of the Vacuum V Gauge Controller. T The RELAY co onnection allows utilizing the relay conttacts for switching purposess. The relay co ontacts are potential-free (ffloating). Con nect the perip pheral compon nents to the RE ELAY connector on the rear of th magnetic com he unit using your y own, screened (electrom mpatibility) cabl e.
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DANGER DANGER R: Hazardous voltage v According g to EN 61010, voltages excceeding 30 V (ac) ( or 60 V (d dc) are hazardous s. Only conn nect a protective low voltagee (PELV).
Pin asssignment, Contacct positions
e female 25-pin Pin assiignment of the D-Sub a appliance conn nector:
Pin
Signal Switching fu unction 1
4 5 6
Pressure above thrreshold or pow wer supply turned offf
sure below Press thresh hold
Switching fu unction 2 8 9 10
Pressure above thrreshold or pow wer supply turned offf
sure below Press thresh hold
Switching fu unction 3 11 12 13
Pressure above thrreshold or pow wer supply turned offf
sure below Press thresh hold
Switching fu unction 4 16 17 18
Pressure above thrreshold or pow wer supply turned offf
Press sure below thresh hold
Switching fu unction 5 19 20 21
Pressure above thrreshold or pow wer supply turned offf
Press sure below thresh hold
Switching fu unction 6 22 23 24
Pressure above thrreshold or pow wer supply turned offf
Press sure below thresh hold
Error signal 3 15 14
25 1, 7 2
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Error or power supply s turrned off
No errror
Supply for relays r with hig gher switchingg power Fu use-protected at 200 mA with PTC eleme ent, se elf-resetting affter turning offf the VGC50x or pull+24 V (dc), 200 mA ing the RELAY connector. Me eets the groun nded prrotective extraa low voltage requirements. r GND n.c.
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3.7 Interface C Connectorr USB U Type B
The USB Type B interface co onnector facilitates direct coommunication with the VGC50x V via a ccomputer (e.g g. firmware upd date, parametter saving (rea ad/write)). Con nect the USB interface connector to the connectorr on the rear of the u unit using a sc creened (electtromagnetic coompatibility) cable. c
USB U Type B
3.8 Interface C Connectorr USB U Type A
The USB Type A interface co onnector with master functioonality is situa ated on the frront of the unitt and is used for f the connec ction of a USB B memory stick k (e.g. firmware w update, p parameter saving (read/write e), data loggerr). Con nect the USB memory stick k to the connecctor unit.
on the front of the
USB U Type A
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3.9
Interface Con nnector Ethe ernet
The Eth hernet interface allows direct communicattion with the VGC50x V via a comc puter. Connect th he Ethernet ca able to the connnector
on the rear of the e unit.
et Etherne
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Gree en LED
Link or ttransmit LED. Indicates thatt a hardware cconnection ha as been established.
Yello ow LED
Status o or packet dete ect LED. Indica ates the statuss of the transm mission. When n this LED flasshes or flickerrs, data are be eing transmitteed.
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4 Operation O n VGC501
4.1 Front F pane el
Display
Operator ke eys
USB connector
VGC502
VGC50 03
Display
Operator ke eys USB connector
Display D VGC C501
Parameter or bar graph
S Set points, para ameter mode, keylock
Pressure unit u
Sta atus measurem ment channel
Measurem ment channel: Measurem ment value in floating point or exponential stattus 2 9.68×10 9 corre esponds to
2.34×10-1 corre esponds to
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Displayy VGC502, VGC503 V
Pa arameter or barr graph
Meassurement chan nnel 1 Set poin nts, parameter mode, eylock ke
Pre essure unit Me easurement cha annel 1: Me easurement value in floa ating point or expoe nen ntial status
Status mea asurement chan nnel 1
Status mea asurement chan nnel 2
Me easurement cha annel 1: Me easurement value in floa ating point or expoe nen ntial status
Status mea asurement chan nnel 3
Me easurement cha annel 3: Me easurement value in floa ating point or expoe nential status
9.68×1 02 correspond ds to 2.34×10 0-1 correspond ds to 5.17×10 0-6 correspond ds to
Param meter, bar gra aph
Parame eter
Bar grap ph
Bar grap ph with set po oint
Pressurre vs. time, tre end
Set po oints, parame eter mode, keylocck
Set poin nts 1 … 6
R Relay on
Measu urement chan nnel specifically
Measu rement channe el (VG GC502/503 only y) Degas activ ve Erro or
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Parameeter mode activ vated
Relay off
Keylock on o
Calib ration factor ac ctive Offseet active High vacuum senso or active
27
4.2 Turning T th he VGC50x x On and a Off Turning T the V VGC50x on
The power swittch is on the re ear of the unitt. Turn the VGC5 50x on with the e power switch h (o or centrally, via a a switched power p distributor, if the unit is inccorporated in a rack).
After A power on , the VGC50x… • automaticall y performs a self-test s e connected gauges g • identifies the • activates the e parameters that t were in effect before thhe last power off o ment mode • switches to tthe Measurem parameters if required r (if a different d gaugee was previously • adapts the p connected).
Turning T the V VGC50x off
Turn the VGC5 50x off with the e power switch h (or centrallyy, via a switche ed power distributor, if th e unit is incorporated in a ra ack).
Waitt at least 10 s before turning g the VGC50xx on again in order o for it to corre ectly initialize itself.
4.3 Operating O Modes
28
The VGC50x w works in the following operatting modes: • Measureme nt mode ent values or statuses s (→ 31) for displayin g measureme mode • Parameter m for displayin g and editing parameters (→ → 33) − Switchin g function parrameter group SETPOINT > for enterring and displa aying threshold ds (→ 34) − Gauge p parameter grou up SENSOR > for enterring and displa aying gauge parameters (→ → 38) − Gauge ccontrol group SENSOR-CON S NTROL > for enterring and displa aying gauge co ontrol parameeters (→ 46)) − General parameter gro oup GENERAL L > aying general parameters (→ → 50) for enterring and displa gram group TEST T > − Test prog for runnin ng internal tes st programs (→ → 58) − Data log ger mode DAT TA LOGGER > ng measurement data (→ 61) for loggin − Parametter transfer mo ode SETUP > for savin ng (read/write) parameters (→ 63)
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VGC50 01
Ba argraph FSR R
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VGC502, VG GC503
Bargrap ph FSR
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4.4 Meas surement Mode M
Adjusting bar graph h
Chang ging measure ement channe el (VGC5 502/503 onlyy)
Turning the gauge on/off
Measure ement mode is the standard d operating moode of the VG GC50x with dissplay of •
a ba ar graph (if req quired)
•
a me easurement va alue for each measurementt channel
•
statu us messages for each meas surement channnel
If require red a bar graph may be disp played (→ 555).
The T unit alternates betweenn measuremen nt channels on ne, two and a three. The e number of thhe selected me easurement ch hannel liights up.
Certain gauges can be b turned on and off manuallly, provided th he gauge conttrol is set to S S-ON HAND (→ 48). Availablle for the follow wing gauges: Piran ni Piran nce ni / Capacitan Cold d cathode Cold d cathode / Pirrani Hot ionization / Pirani Cap acitance Hot ionization / Pirani / Capacita ance
(PSG) (PCG) (PEG, M MAG) (MPG) (BPG, H HPG) (CDG) (BCG)
Press ke ey for >1 s: Gauge switches s off. Innstead of a me easurement value v the word OF FF is displayedd. Press ke ey for >1 s: Gauges switches on. Instead of the e measuremen nt value a status message mayy be displayed d.
hing the emisssion on / off Switch
For certtain gauges th he emission ca an be switchedd on and off manually, m proviided the sensor p parameter is set s to EMISSION HAND (→ 45). Switching on o the emissio on is only posssible if the pre essure is below w 2.4×10-2 mbar. m Availablle for the follow wing gauges: ni Piran ni / Capacitan Piran nce Cold d cathode Cold d cathode / Pirrani Hot ionization / Pirani Cap acitance Hot ionization / Pirani / Capacita ance
(PSG) (PCG) (PEG, M MAG) (MPG) (BPG4002 only) (CDG) (BCG)
Press ke ey for >1 s: The emission is switchhed off. The measurement m value of the Piran ni or CDG sennsor is display yed instead of the measure ement value oof the hot catho ode ionization n sensor. Press ke ey for >1 s: value of The emission is switchhed on. The measurement m the hot cathode c ionizaation sensor is s displayed an nd lid solid.
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Measuremen M nt range
If the unit is ope erated with lin near gauges (C CDG), negativve pressures may m be ndicated. in Possible P cause es: • negative drrift •
activated offfset correction n.
Displaying D th he gauge id dentification
Firstt, select the re equired measu urement channnel with
ke ey.
Press keys for >0.5 … 1 s: Fo or the measurrement channeel in question the type of th he connected gauge g is autom matically identified and diisplayed for 6 s: Pirani gauge g (PSG400 0, PSG400-S, PSG100-S, PSG101 -S, PSG500, PSGxxx P PSG500 0-S, PSG502-S, PSG510-S, PSG5112-S, PSG550, PSG552 2, PSG554)
Pirani / Capacitance e gauge
I
PCGxxx P
I
PEG100/MAG P Gxxx
I
MPGxxx M
I
B (BPG400) BPG400
I
B (BPG402) BPG402
I
H (HPG400) HPG400
I
(PCG400 0, PCG400-S, PC CG550, PCG552, P PCG554)
Cold ca athode gauge e (PEG100 0, MAG500, MAG504)
Cold ca athode / Piran ni gauge (MPG400, MPG401, MPG G500, MPG504)
Hot ion nization / Piran ni gauge
Hot ion nization / Cap pacitance / Pira ani gauge
BCG450 B
I
(CDG020D, CDG025, CDG045,CDG045-H , 5Dhs, CDG100, CDG100Dhs) CDG045
CDGxxx C 100 00MBAR
I
Linear gauge (capac citance, digitall)
CDGxxxD C Vx x.xx
Veersion during 3 s, then
(CDG025D, CDG025D-X3 3, CDG045D, CDG G045D2, CDG100 0D, CDG100D2, CDG160D, C CDG2000D)
CDGxxxD C 10 000MBAR FS SR during 3 s
No gau uge connected d
noSENSOR n
I
Gauge e connected, but b not identifia able
noIDENT. n
I
(BCG450 0)
Linear gauge (capac citance, analog g)
Changing C to the Parametter mode m
32
→ 33
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4.5 Param meter Mod de
The Parrameter mode e is used for displaying, editiing and entering parameter values as well a as for testing the t VGC50x and a for saving measuremen nt data. For ea ase of operatio on the individu ual parameters s are divided innto groups. Unit switche es from measuurement mode e to parameter mode e. The respecttive parameterr group is displayed in n place of the bbar graph.
Selecting a parame eter group Select group
Switcching function n parameters → 34 Gaugge parameters s → 38 Gaugge control → 46 Geneeral paramete ers → 50 Test parameters → 58 6 Dataa logger → 61 Paraameter transfer → 63
Confirm gro oup
Readin ng a parameter in a parameter group
g and saving a parameter Editing in a pa arameter group
Confirm the parameter. T The value flash hes and can now be edited.
ue. Edit the valu
Save the ch hange and retuurn to read mo ode.
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4.5.1 Switching Function Parameters
Parameters in this group
SETPOINT
>I
The switching function parameter group is used for displaying, editing and entering threshold values and assigning the two (VGC501), four (VGC502) or six (VGC503) switching functions to a measurement channel.
SP1-CH
I
Configuration of switching function 1
SP1-L
I
Switching function 1 lower threshold
SP1-H
I
Switching function 1 upper threshold
SP2-CH
I
Configuration of switching function 2
SP2-L
I
Switching function 2 lower threshold
SP2-H
I
Switching function 2 upper threshold
SP3-CH
I
Configuration of switching function 3 (VGC502/503 only)
SP3-L
I
Switching function 3 lower threshold (VGC502/503 only)
SP3-H
I
Switching function 3 upper threshold (VGC502/503 only)
SP4-CH
I
Configuration of switching function 4 (VGC502/503 only)
SP4-L
I
Switching function 4 lower threshold (VGC502/503 only)
SP4-H
I
Switching function 4 upper threshold (VGC502/503 only)
SP5-CH
I
Configuration of switching function 5 (VGC503 only)
SP5-L
I
Switching function 5 lower threshold (VGC503 only)
SP5-H
I
Switching function 5 upper threshold (VGC503 only)
SP6-CH
I
Configuration of switching function 6 (VGC503 only)
SP6-L
I
Switching function 6 lower threshold (VGC503 only)
SP6-H
I
Switching function 6 upper threshold (VGC503 only)
<
I
One level back
The VGC501 has two, the VGC502 has four and the VGC503 has six, switching functions with two adjustable thresholds each. The status of the switching functions is displayed on the front panel and can be evaluated via the floating contacts at the CONTROL, respectively RELAY connector.
34
•
VGC501: CONTROL connector (→ 21)
•
VGC502, VGC503: RELAY connector (→ 22)
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Seleccting a param meter
The nam me of the paraameter and the e currently valid parametter value are ddisplayed. e.g.: SP1-CH DISAB BLED I Switch hing function 1 turrned off
Select parameter. Thee value flashes and can now w be edited.
Editin ng and savin ng the param meter
ey for <1 s: Press ke The valu ue is increasedd/decreased by b 1 increment.
Press ke ey for >1 s: The valu ue is increasedd/decreased continuously. c
Save the e change and return to read d mode.
mend setting the t upper threeshold ½ deca ade above the lower, We recomm or the lowe er threshold ½ decade below w the upper, threshold limit..
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Configuring a switching function
Value I
SP1-CH
Configuring a switching function.
SP1-CH 1
I
Switching function 1 is assigned to channel 1
SP1-CH 2
I
Switching function 1 is assigned to channel 2 (VGC502/503 only)
SP1-CH 3
I
Switching function 1 is assigned to channel 3 (VGC503 only)
SP1-CH DISABLED I
I
SP1-CH ENABLED
Switching function 1 is factory-deactivated Switching function 1 is always turned on
The lower and the upper threshold of a switching function are always assigned to the same channel. The last assignment is valid for both thresholds.
Limits of the lower switching thresholds
Value I
SP1-L
The lower threshold (Setpoint low) defines the pressure at which the switching function is activated when the pressure is dropping.
e.g.: SP1-L 5.00-4
I
gauge dependent. If another gauge type is connected, the VGC50x automatically adjusts the switching threshold if required. SPx-L min.
SPx-L max.
-3 *)
PSGxxx
I
2×10
PCGxxx
I
2×10
PEG100/MAGxxx
I
1×10
MPGxxx
I
1×10
BPG400
I
1×10
BPG402
I
1×10
HPG400
I
1×10
BCG450
I
1×10
CDGxxx
I
F.S. / 1000
CDGxxxD
I
F.S. / 1000
-3 *) -9 -9 -8 -8
= SPx-H max.
-6 -8
all values in mbar, GAS=nitrogen *)
2×10-4 mbar if RNG-EXT (Pirani range extension) is activated (→ 51) The minimum hysteresis between the upper and lower switching threshold amounts to at least 10% of the lower threshold (logarithmic gauges) or 1% of the full scale value (linear gauges). The upper threshold is if necessary automatically adjusted to a minimum hysteresis. This prevents unstable states.
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Limits of the upper switching thresholds
Value I
SP1-H
The upper switching threshold (Setpoint high) defines the pressure at which the switching function is deactivated when the pressure is rising.
e.g.: SP1-H 1500
I
gauge dependent. If another gauge type is connected, the VGC50x automatically adjusts the threshold if required. SPx-H min.
SPx-H max. 3
PSGxxx
I
1×10
PCGxxx
I
1.5×10
PEG100/MAGxxx
I
1×10
MPGxxx
I
1×10
BPG400
I
1×10
BPG402
I
1×10
HPG400
I
1×10
BCG450
I
1.5×10
CDGxxx
I
F.S.
CDGxxxD
I
F.S.
3
-2 3 3
= SPx-L min.
3 3 3
all values in mbar, GAS=nitrogen The minimum hysteresis between the upper and lower switching threshold amounts to at least 10% of the lower threshold (logarithmic gauges) or 1% of the full scale value (linear gauges). This prevents unstable states.
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4.5.2 Gauge parameters
>I
SENSOR
Parameters in this group
The sensor parameter group is used for displaying, entering and editing parameters of the connected gauges.
DEGAS
I
Cleaning the electrode system.
FSR
I
Measurement range linear gauges.
FILTER
I
Measurement value filter.
OFFSET
I
Offset correction.
GAS
I
Correction factor for other gases.
COR
I
Offset correction.
HV-CTRL
I
Activating / deactivating high vacuum measurement circuit.
EMISSION
I
Emission.
FILAMENT
I
Filament selection.
DIGITS
I
Display resolution.
<
I
One level back.
Available for
I
I
I
I
I
COR
HV-CTRL
EMISSION
FILAMENT
DIGITS
46
I
45
GAS
45
I
45
OFFSET
44
I
44
FILTER
42
I
41
FSR
40
PSGxxx
I
−
−
−
−
−
−
PCGxxx
I
−
−
−
−
−
−
−
−
PEG100/MAGxxx
I
−
−
−
MPGxxx
I
−
−
−
−
−
−
BPG400
I
−
−
−
−
−
BPG402
I
−
−
−
HPG400
I
−
−
−
−
−
−
BCG450
I
−
−
−
−
CDGxxx
I
−
−
−
−
−
−
−
−
CDGxxxD
38
39
DEGAS
→
I
Some parameters are not available for all gauges and thus not always displayed.
I
−
−
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Dega as
Contam mination depos sits on the elec ctrode system of hot cathod de gauges mayy cause instabilitties of the measurement values. The deggas function fa acilitates clean ning of the elecctrode system.. -6 The degas s process work ks only at presssures below 7.2×10 7 mbarr.
BPG402 gauges: The Degas function acts only upo on the active fiilament. Availablle for the follow wing gauges: ni Piran Piran nce ni / Capacitan Cold d cathode Cold d cathode / Pirrani Hot ionization / Pirani Hot ionization / Pirani Cap acitance ance Hot ionization / Pirani / Capacita
(PSG) (PCG) (PEG, M MAG) (MPG) (BPG) (HPG) (CDG) (BCG)
Value I
DEGAS
Editin ng and savin ng a param meter
DEGAS OFF F
I
Normal opperation (Dega as blocked)
DEGAS ON
I
Degas: Thhe electron co ollection grid iss heated to ≈700 °C by electron bombardm ment and the electrode e system is thus cleaned.. Duration = 180 s.
Start De egas. Durationn of the Degas s function 180 seconds (may alsso be aborted)).
egas. Abort De
Save change and retuurn to read mo ode.
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Measuring range (F.S.) of linear gauges
For linear analog gauges, the full scale (F.S.) value has to be defined on the basis of the connected gauge type. For linear digital gauges and logarithmic gauges it is automatically recognized. Available for the following gauges: Pirani Pirani / Capacitance Cold cathode Cold cathode / Pirani Hot ionization / Pirani Capacitance Hot ionization / Pirani / Capacitance
(PSG) (PCG) (PEG, MAG) (MPG) (BPG, HPG) (CDG) (BCG)
Value FSR
I
e.g. FSR 1000 MBAR
I
0.01 mbar, 0.02 mbar, 0.05 mbar 0.01 Torr, 0.02 Torr, 0.05 Torr 0.10 mbar, 0.25 mbar, 0.50 mbar 0.10 Torr, 0.25 Torr, 0.50 Torr 1 mbar, 2 mbar, 5 mbar 1 Torr, 2 Torr, 5 Torr 10 mbar, 20 mbar, 50 mbar 10 Torr, 20 Torr, 50 Torr 100 mbar, 200 mbar, 500 mbar 100 Torr, 200 Torr, 500 Torr 1000 mbar, 1100 mbar 1000 Torr 2 bar, 5 bar, 10 bar, 50 bar A conversion table can be found in the Appendix (→ 102).
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Measurement value filter
The measurement value filter permits a better evaluation of unstable or disturbed measuring signals. The measurement value filter does not affect the analog output (→ 22). Value FILTER
I
FILTER OFF
I
No measurement value filter
FILTER FAST
I
Fast: The VGC50x responds quickly to fluctuations in the measurement value. As a result, it will respond faster to interference in the measured values. Pressure p
Time t
FILTER NORMAL
I
Normal (factory setting): Good relationship between response and sensitivity of the display and the switching function to changes in the measured values. Pressure p
Time t
FILTER SLOW
I
Slow: The VGC50x does not respond to small changes in measured values. As a result, it will respond more slowly to changes in the measured values. Pressure p
Time t
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Offset corre ection of the controller
The offset valu e is displayed d and readjuste ed according tto the actual measurement m va alue. Available A for th he following ga auges: Pirani Pirani / Cap pacitance Cold cathod de Cold cathod de / Pirani on / Pirani Hot ionizatio Capacitancce on / Pirani / Capacitance Hot ionizatio C
(PSG) (PCG) (PEG, MAG) (MPG) (BPG, HPG) (CDG) (BCG)
The offset corre ection affects:: the displaye ed measurement value the displaye ed threshold value v of the sw witching functioons the analog o outputs at the e CONTROL connector (→ 21, 22)
Wert OFFSET O
I
OFFSE ET OFF
e.g. OFFSE ET 9.53
I
Offs set correction factory-deactivated
I
Offs set correction activated (dis splay in th he relevant unnits of measuremen nt)
Press key for >1.5 s: e is readjustedd (the actual measurement m The offset value va alue is accepte ed as new offsset value). Reset R the offset value.
Save change and return to reead mode.
When W offset co orrection is acttivated, the saved offset valuue is subtracted from the actual measure ement value. This T allows me easuring relatiive to a refere ence pressure..
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Zero adjustment of a digital CDG G
First adjustt the gauge an nd then the coontroller. wing gauges: Availablle for the follow ni Piran ni / Capacitan Piran nce Cold d cathode Cold d cathode / Pirrani Hot ionization / Pirani Cap acitance ance Hot ionization / Pirani / Capacita
(PSG) (PCG) (PEG, M MAG) (MPG) (BPG, H HPG) (CDG) (BCG)
When the zero z of the gauge is readjussted, the offse et correction must m be deactivated d. Value I
OFFSE T
e.g. OFFSET OF FF
I
Zero adjusstment deactiv vated Lit solid s after >1.5 s and as long as key remains pressed p
Press >1.5 s: Zero adjjustment of thee digital CDG.
After adjus sting the zero point, a zero vvalue is displa ayed. Due to th he measuring resolution of the CDG (noisse, drift), a zero with plus/m minus several dig gits are display yed.
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Correction factor GAS
The correction factor GAS allows •
the measured value to be calibrated for the preset gases N2, Ar, H2, He, Ne, Kr and Xe, or
•
manual input of the correction factor for other gases (COR).
→ Characteristic curves in [1] … [16]. This parameter is not available for the unit of measurement: Volt. Available for the following gauges: Pirani Pirani / Capacitance Cold cathode Cold cathode / Pirani Hot ionization / Pirani Hot ionization / Pirani Capacitance Hot ionization / Pirani / Capacitance
(PSG) (PCG) (PEG, MAG) (MPG) (BPG) (HPG) (CDG) (BCG)
Only for pressures <1 mbar <1 mbar <1×10-3 mbar <1×10-3 mbar
<1×10-3 mbar
Value I
GAS
Calibration factor COR
GAS N2
I
Gas: nitrogen / air (factory setting)
GAS AR
I
Gas: argon
GAS H2
I
Gas: hydrogen
GAS HE
I
Gas: helium
GAS NE
I
Gas: neon
GAS KR
I
Gas: krypton
GAS XE
I
Gas: xenon
GAS COR
I
Calibration factor for other gases by manually entering parameter COR
The calibration factor COR allows the measured value to be calibrated for other gases (→ characteristic curve in [1] … [16]). This parameter is effective in the entire measurement range of the gauge. Precondition: Parameter "GAS COR" is set (except capacitance gauges). This parameter is not available with the measurement unit: Volt. Available for the following gauges: Pirani Pirani / Capacitance Cold cathode Cold cathode / Pirani Hot ionization / Pirani Capacitance Hot ionization / Pirani / Capacitance
(PSG) (PCG) (PEG, MAG) (MPG) (BPG, HPG) (CDG) (BCG)
Value COR
44
I
e.g. COR 1.00
I
No correction
e.g. COR 1.53
I
Measurement value corrected by a factor of 0.10 … 10.00
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Turning the gauge on / off
Activating / deactivating the high vacuum measurement circuit (→ also [31]). Available for the following gauges: Pirani Pirani / Capacitance Cold cathode Cold cathode / Pirani Hot ionization / Pirani Capacitance Hot ionization / Pirani / Capacitance
(PSG) (PCG) (PEG, MAG) (MPG) (BPG, HPG) (CDG) (BCG)
Value I
HV-CTRL
Emission
HV-CTRL ON
I
High vacuum measurement circuit activated
HV-CTRL OFF
I
High vacuum measurement circuit deactivated
Switching the emission on and off. Available for the following gauges: Pirani Pirani / Capacitance Cold cathode Cold cathode / Pirani Hot ionization / Pirani Capacitance Hot ionization / Pirani / Capacitance
(PSG) (PCG) (PEG, MAG) (MPG) (BPG402 only) (CDG) (BCG)
Value EMISSION
I
EMISSION AUTO
I
The emission is switched on and off automatically by the gauge
EMISSION HAND
I
The emission is switched on and off by the user
The symbol
Filament
lid solid, if the emission is switched on.
Means of selection. Available for the following gauges: Pirani Pirani / Capacitance Cold cathode Cold cathode / Pirani Hot ionization / Pirani Capacitance Hot ionization / Pirani / Capacitance
(PSG) (PCG) (PEG, MAG) (MPG) (BPG402 only) (CDG) (BCG)
Value FILAMENT
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FILAMENT AUTO
I
The gauge automatically alternates between the filaments
FILAMENT FIL 1
I
Filament 1 active
FILAMENT FIL 2
I
Filament 2 active
45
Display resolution
Display resolution of measured values. Available for the following gauges: Pirani Pirani / Capacitance Cold cathode Cold cathode / Pirani Hot ionization / Pirani Capacitance Hot ionization / Pirani / Capacitance
(PSG) (PCG) (PEG, MAG) (MPG) (BPG, HPG) (CDG) (BCG)
Value I
DIGITS
*)
DIGITS AUTO
I
Automatic *) (factory setting)
DIGITS 1
I
e.g. 2E-1 or 500
DIGITS 2
I
e.g. 2.5E-1 or 520
DIGITS 3
I
e.g. 2.47E-1 or 523
DIGITS 4
I
e.g. 2.473E-1 or 523.7
The mantissa is dependent on the connected gauge and the currently valid pressure value.
With PSG and PCG gauges in the pressure range p<1.0E-4 mbar and activated RNG-EXT (→ 51) the display is reduced by one decimal digit.
4.5.3 Gauge Control
SENSOR-CONTROL >I
The sensor control group is used for displaying, entering and editing parameters which define how the connected gauges are activated/deactivated.
This group is available for the PEG/MAG gauges only.
Parameters in this group
46
S-ON
I
Gauge activation
S-OFF
I
Gauge deactivation
T-ON
I
ON threshold (VGC502/503 only)
T-OFF
I
OFF threshold
<
I
One level back
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Gauge activation
Certain gauges can be activated by different means. Value I
S-ON S-ON HAND
I
Manual activation: The gauge is activated by pressing the key.
S-ON HOTSTART
I
Hot start: The gauge is automatically activated when the VGC50x is turned on. Measurement is thus automatically resumed after a power failure. Gauge deactivation → 48.
S-ON CH 1
I
By channel 1: The subsequent parameter T-ON is used to specify the switch-on threshold. The sensor is switched on when the pressure on channel 1 falls below the switch-on threshold.
I
By channel 2: The subsequent parameter T-ON is used to specify the switch-on threshold. The sensor is switched on when the pressure on channel 2 falls below the switch-on threshold.
I
By channel 3: The subsequent parameter T-ON is used to specify the switch-on threshold. The sensor is switched on when the pressure on channel 3 falls below the switch-on threshold.
(VGC502/503 only)
S-ON CH 2
(VGC502/503 only)
S-ON CH 3
(VGC503 only)
ON threshold (VGC502, VGC503 only)
Definition of the ON threshold for the gauge to be activated by a gauge connected to the other measurement channel. This parameter is only available if the sensor activation parameter is set to S-ON CH 1, CH 2 or CH 3 (VGC503 only). Value I
T-ON
e.g.: T-ON 100
I
The sensor is switched on when the pressure on the respective channel falls below the switch-on threshold.
Value T-OFF must be ≥ T-ON .
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Gauge deactivation
Certain gauges can be deactivated by different means. Value I
S-OFF S-OFF HAND
I
Manual deactivation: The gauge is deactivated by pressing the key
S-OFF SELF
I
Self control: The subsequent parameter T-OFF is used to specify the switch-off threshold. The sensor is switched off when the pressure at the sensor exceeds the switch-off threshold.
S-OFF CH 1
I
By channel 1: The subsequent parameter T-OFF is used to specify the switch-off threshold. The sensor is switched off when the pressure on channel 1 exceeds the switch-off threshold.
I
By channel 2: The subsequent parameter T-OFF is used to specify the switch-off threshold. The sensor is switched off when the pressure on channel 2 exceeds the switch-off threshold
I
By channel 3: The subsequent parameter T-OFF is used to specify the switch-off threshold. The sensor is switched off when the pressure on channel 3 exceeds the switch-off threshold.
(VGC502/503 only)
S-OFF CH 2
(VGC502/503 only)
S-OFF CH 3
(VGC503 only)
OFF threshold VGC501
Definition of the OFF threshold for the gauge to be deactivated by itself. This parameter is only available if the sensor deactivation parameter is set to S-OFF SELF. Value T-OFF
I
e.g.: T-OFF 1.00-2
48
I
The sensor is switched off when the pressure exceeds the switch-off threshold.
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OFF threshold VGC502, VGC503
Definition of the OFF threshold for the gauge to be deactivated by a gauge connected to the other measurement channel or by itself. This parameter is only available if the sensor deactivation parameter is set to S-OFF CH 1, CH 2, CH 3 (VGC503 only) or S-OFF SELF. Value I
T-OFF
e.g.: T-OFF 100
I
The sensor is switched off when the pressure on the respective channel exceeds the switch-off threshold.
Value T-OFF must be ≥ T-ON .
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49
4.5.4 General Parameters
Parameters in this group
Measurement unit
GENERAL
>I
The General parameters group is used for displaying, entering and editing generally applicable system parameters.
UNIT
I
Measurement unit
BAUD USB
I
Transmission rate USB interface
RNG-EXT
I
Pirani range extension
AO-MODE
I
Recorder output
ERR-RELAY
I
Error relay
BARGRAPH
I
Bar graph display
BACKLIGHT
I
Backlight
SCREENSAVE
I
Screensaver
CONTRAST
I
Contrast adjustment
DEFAULT
I
Factory settings
LANGUAGE
I
Language
FORMAT
I
Number format, measurement value
END VAL
I
Display of measurement range end value
<
I
One level back
Unit of measured values, thresholds etc. (conversion table → 102). Value I
UNIT UNIT MBAR
I
mBar
UNIT HPASCAL
I
hPa (factory setting)
UNIT TORR
I
Torr (only available if Torr lock is not activated → 59)
UNIT PASCAL
I
Pa
UNIT MICRON
I
Micron (= 0.001 Torr) (only available if Torr lock is not activated → 59)
UNIT VOLT
I
V
A change of the pressure unit influences also the pressure unit settings of the BPG, HPG and BCG gauges. VGC501 only: If the measurement unit micron is selected, automatic changeover to Torr occurs above 99000 micron. Below 90 Torr automatic changeover back to the measurement unit micron occurs.
50
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Transsmission rate e
Transm ission rate of the t USB interfface. Value BAUD USB
I
BAUD USB 9600
I
9600 baudd
BAUD USB 19200
I
19200 bauud
BAUD USB 38400
I
38400 bauud
BAUD USB 57600
I
57600 bauud
BAUD USB 115200 I
Piran ni range exte ension
115200 baaud (factory setting)
The disp play and setpo oint adjustmen nt range can bbe extended (tthe setting onlly affects tthe control uniit). Use the pa arameter Piran ni range extennsion only with h Pirani and Piirani / Capacitanc ce gauges with display / meeasurement ra ange up to 5×10-5 mba ar.
wing gauges: Availablle for the follow ni Piran ni / Capacitan Piran nce Cold d cathode Cold d cathode / Pirrani Hot ionization / Pirani Cap acitance Hot ionization / Pirani / Capacita ance
(PSG) (PCG) (PEG, M MAG) (MPG) (BPG, H HPG) (CDG) (BCG)
Value I
RNG-E XT
Reco order output (VGC C502, VGC503)
RNG-EXT DISABLED D I
Deactivateed (factory settting)
RNG-EXT ENABLED E I
Display exxtended to 5×10-5 mbar
The reco corder output is s a programmable analog ooutput. The rec corder output voltage is a funcction of the pre essure on the sensor. The rrelation betwe een the pressu ure and the volta age is called the characteris stic curve of thhe output. Fundam mentally we ha ave to distinguish between loogarithmic and linear characteristic curves: •
A log garithmic charracteristic curv ve is useful if tthe pressure range r covers several s orde ers of magnitude in the measurement. In tthis case it is appropriate to o take the llogarithm of th he pressure an nd then scale the result in a suitable manner.
•
near characterristic curve is useful u if the prressure range covers only a few A lin orde ers of magnitude in the measurement. In tthis case the recorder r outpu ut volta age is proportiional to the pressure value. You can spec cify which presssure valu e will result in the maximum m output voltagge.
The ava ailable charactteristic curves will be descri bed in the following. In each h case it is show wn how to callculate the pre essure p (in mbbar) from the recorder output voltage U (in volts). put to a certainn channel with h the Assign the recorder outp •
Select parameter AO O-MODE
•
Select channel with
•
Select characteristic curve with
key:
key key
signed to the cchannels any way w The swi tching functions can be ass
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51
Value AO-MODE
I
AO-MODE LOG
I
Logarithmic representation of the entire measuring range (factory setting). PSG: p = 10^[U/(10 / 7) - 4] PCG: p = 10^[U/(10 / 7) - 4] PEG/MAG: p = 10^[U/(10 / 7) - 9] MPG: p = 10^[U/(10 / 12) - 9] CDG: p = 10^[U/(10 / 4) - 4] × FS BPG: p = 10^[U/(10 / 12) - 9] BCG: p = 10^[U/(10 / 12) - 9] HPG: p = 10^[U/(10 / 9) - 6]
AO-MODE LOG A
I
Logarithmic representation of the entire measuring range (compatible to VGC012, VGC023, VGC032). PSG: p = 10^[U/(10/6) - 3] PCG: p = 10^[U/(10/7) - 4] PEG/MAG: p = 10^[U/(9/7) - 9 - 7/9] MPG: p = 10^[U/(10/11) - 8] CDG: p = 10^[U/(10/4) - 4] × FS BPG400: p = 10^[(U - 7.75) / 0.75] BPG402: p = 10^[U - 8] BCG: p = 10^[(U - 7.75) / 0.75] HPG: p = 10^[U/(10/9) - 6]
AO-MODE LOG -6
I
Logarithmic representation of a part of the measuring range (2.5 V/decade). p = 10^[U/(10/4) - 10]
AO-MODE LOG -3
I
Logarithmic representation of a part of the measuring range (2.5 V/decade). p = 10^[U/(10/4) - 7]
AO-MODE LOG +0
I
Logarithmic representation of a part of the measuring range (2.5 V/decade). p = 10^[U/(10/4) - 4]
AO-MODE LOG +3
I
Logarithmic representation of a part of the measuring range (2.5 V/decade). p = 10^[U/(10/4) - 1]
AO-MODE LOG C1
I
Logarithmic representation matched to the following sensor combination: •
PSG/PCG on channel 1
• PEG on channel 2 p = 10^[U/(10/12) - 9] AO-MODE LOG C2
I
Logarithmic representation matched to the following sensor combination: •
CDG on channel 1
• CDG on channel 2 This characteristic curve is only useful if the sensors have different measuring ranges. The total measuring range of the sensor combination is represented logarithmically in the range 0…10 V.
52
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AO-MODE LOG C3
I
Logarithmic representation matched to the following sensor combination: •
CDG on channel 1
•
CDG on channel 2
• CDG on channel 3 This characteristic curve is only useful if the sensors have different measuring ranges. The total measuring range of the sensor combination is represented logarithmically in the range 0…10 V. The three sensors must be sorted with regard to their measuring range (FS). The sort order may be increasing or decreasing.
…
AO-MODE LIN -10 I
Linear representation: -10 U = 10 V is equivalent of p = 10 mbar -10 p = U/10 × 10 Adjustable in the range LIN -10 … LIN +3
AO-MODE LIN +3
I
Linear representation: +3 U = 10 V is equivalent of p = 10 mbar +3 p = U/10 × 10
AO-MODE IM221
I
Logarithmic representation of the IM221 controller (1 V/decade): U = 8 V is equivalent of p = 10-2 mbar p = 10^[U - 10]
AO-MODE LOG C4
I
Logarithmic representation of 12 decades (0.83 V/decade) matched the following sensor combination: •
PCG on channel 1
• BPG402 on channel 2 p = 10^[U/(10/12) - 9] U = 10 V is equivalent of p = 1000 mbar. The switching point between the sensors is -2 10 mbar.
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AO-MODE PM411
I
Nonlinear characteristic curve of the output as with the PM411 board.
AO-MODE CH x
I
Output voltage = input voltage
AO-MODUS PRM10K I
Nonlinear characteristic curve of the output as with the PRM10K gauge from Edwards.
AO-MODUS IMR110 I
Logarithmic representation compatible with IMR110 gauge, p = 10^[U/2 - 6]
AO-MODUS IMR120 I
Logarithmic representation compatible with IMR120 gauge, p = 10^[U/2 - 8]
AO-MODUS IMR310 I
Logarithmic representation compatible with IMR310 gauge, p = 10^[U*6/10 - 6]
AO-MODUS IMR320 I
Logarithmic representation compatible with IMR320 gauge, p = 10^[U*7/10 - 9]
53
Error relay
Switching behaviour of the error relay. Value ERR-RELAY
I
ERR-RELAY ALL
I
ERR-RELAY no SE I
54
Switches for all errors (factory setting) Only unit errors
ERR-RELAY CH 1
I
Error sensor 1 and unit error
ERR-RELAY CH 2
I
Error sensor 2 and unit error (VGC502/503 only)
ERR-RELAY CH 3
I
Error sensor 3 and unit error (VGC503 only)
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Bar graph
In the dot matrix a bar graph or the measured pressure as a function of time (p = f(t)) may be shown. During parameter setting the parameter and the parameter value may be displayed in place of this. Value BARGRAPH
I
BARGRAPH OFF
I
Factory setting.
BARGRAPH FSR
I
Bar graph covering full scale range.
BARGRAPH FSR h
I
Bar graph covering full scale range, highlevel presentation.
BARGRAPH FSR+SP I
Bar graph covering full scale range and setpoint threshold.
BARGRAPH DEC
I
Bar graph covering a decade according to current measurement value.
BARGRAPH DEC h
I
Bar graph covering a decade according to current measurement value, high-level presentation.
BARGRAPH DEC+SP I
Bar graph covering a decade according to current measurement value and setpoint threshold.
BARGRAPH f(0.2s)I
p = f(t), autoscaled, 0.2 seconds / pixel For each measurement every 200 ms a measurement value is saved in tabular form and the last 100 measurement values (=100 pixel) are shown autoscaled. The represented data string corresponds to a logging duration of 20 seconds.
BARGRAPH f(1s)
I
p = f(t), autoscaled, 1 second / pixel For each measurement every second a measurement value is saved in tabular form and the last 100 measurement values (=100 pixel) are shown autoscaled. The represented data string corresponds to a logging duration of 100 seconds.
BARGRAPH f(6s)
I
p = f(t), autoscaled, 6 seconds / pixel For each measurement every 6 seconds a measurement value is saved in tabular form and the last 100 measurement values (=100 pixel) are shown autoscaled. The represented data string corresponds to a logging duration of 10 minutes.
BARGRAPH f(1min)I
p = f(t), autoscaled, 1 minute / pixel For each measurement every minute a measurement value is saved in tabular form and the last 100 measurement values (=100 pixel) are shown autoscaled. The represented data string corresponds to a logging duration of 100 minutes.
Value
Backlight BACKLIGHT
I
e.g. BACKLIGHT 60%
I
Factory setting Adjustable from 0 … 100% 100% = full brightness
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55
Screensave er
The screensavver reduces the e brightness of o the backlighht or switches it off completely (dark ro oom). Value SCREENSAVE S E
I
SCREE ENSAVE OFF F
I
facttory setting
SCREE ENSAVE 10m minI
afte er 10 minutes
SCREE ENSAVE 30m minI
afte er 30 minutes
SCREE ENSAVE 1h
I
afte er 1 hour
SCREE ENSAVE 2h
I
afte er 2 hours
SCREE ENSAVE 8h
I
afte er 8 hours
SCREE ENSAVE DR
I
the backlight is sw witched off co omplettely after 1 minnute
Value
Contrast CONTRAST C
I
e.g. CONTR RAST 40%
I
facttory setting adju ustable from 0 … 100 % 100 0% = full contrrast
ameter settin ngs Default para
All A user parame eter settings are a replaced by the default vvalues (factory y settings). Load ding of the deffault paramete er settings is irrreversible. Value DEFAULT D
I
DEFAUL LT + 2s s
DEFAU ULT SET
Language
I
keys att the same time for Press s >2 s to start loading ddefault values
I
The e default valuees are loaded
Display D langua ge. Value LANGUAGE L
56
I
LANGU UAGE ENGLI ISHI
Eng glish (factory ssetting)
LANGU UAGE GERMA AN I
Gerrman
LANGU UAGE FRENC CH I
French
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Measurement value format
Measurement values in floating point or exponential format. If a measurement value cannot reasonably be expressed in the floating point format, it is automatically displayed in the exponential format. Value FORMAT
Display of measurement range end value
I
FORMAT X.X
I
Floating point format, if possible (factory setting)
FORMAT X.XESY
I
Exponential format
Display of underrange or overrange. Value END VAL
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I
END VAL UR/OR
I
When an underrange or overrange occurs UR or OR is displayed (factory setting)
END VAL VALUE
I
When an underrange or overrange occurs the respective full scale value is displayed
57
4.5.5 Test Parameters
>I
TEST T
The T Test parameter group iss used for e.g. displaying the t firmware version, v enterinng and editing g special para-meter m values, and for runninng test program ms.
The group is only available if the was turned on.
Parameterss in this group
key wass pressed while the VGC50xx
SOFTWARE S
I
Firmware F vers sion
HARDWARE H
I
Hardware H vers sion
MAC M
I
MAC M address
RUNHOURS R
I
Operating O hou urs
WATCHDOG W
I
Watchdog W con ntrol
TORR-LOCK T
I
Torr T lock
KEY-LOCK K
I
Keylock K
FLASH F
I
FLASH F test (program memoory)
EEPROM E
I
EEPROM E test (parameter m memory)
DISPLAY D
I
Display D test
I/O
I
I/O test
COMP. C
I
Compatibility C
<
I
One O level back k
The parameterrs in this group p are available e for all gaugees.
Firmware version
The firmware vversion (progra am version) is displayed. Version n e.g. SOFTWAR RE 1.00
Hardware vversion
I
This infformation is heelpful when co ontacting INFICO ON
The hardware vversion is disp played. Hardwa are e.g. HARDWAR RE 1.0
MAC addre ess
I
This infformation is heelpful when co ontacting INFICO ON
The MAC addre ess is displaye ed. MAC address e.g.: MAC 00A A0410A0008 8I
Operating h hours
The address is displaayed without any a separatorss (e.g. 00 0-A0-41-0A-000-08)
The operating h hours are disp played. Hours e.g. RUNHOUR RS 24 h
58
I
Ope erating hours
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Watcchdog contro ol
Behavio our of the system control (watchdog contrrol) in the even nt of an error. Setting WATCH DOG
Torr lock
I
WATCHDOG AUTO
I The systeem automatica ally acknowledges w after 2 s error messsages of the watchdog (factory seetting)
WATCHDOG OFF
I Error messsages of the watchdog w havve to be acknowleddged by the operator
The me asurement un nits Torr and Micron M can be suppressed in n the correspo onding NIT TORR (→ 50). parametter setting UN Setting TORR- LOCK
ock Keylo
I
TORR-LOCK K OFF
I Measurem ment units Torrr and Micron available ((factory setting)
TORR-LOCK K ON
I Measurem ment units Torrr and Micron not n available
The keyylock function prevents inadvertent entriess in the param meter mode an nd thus malfuncctions. Setting KEY-L OCK
FLAS SH test
I
KEY-LOCK OFF
I Keylock fuunction disable ed (factory settting)
KEY-LOCK ON
I Keylock fuunction enable ed
Test of tthe program memory. m Test sequencce FLASH +
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I
Press
ame time to sta art test keys at the sa
FLASH RUN N
I Test in proogress (very briefly) b
FLASH PAS SS
I Test comppleted, no erro or found. Afterr the test, an 8--digit checksum (e.g. FLA ASH 0x12345678) is disp played.
FLASH ERR ROR
I Test comppleted, error fo ound. After the e test, an 8-digit checksum (e.g. FLA ASH 0x12345678) is disp played. If the errorr persists after repeating the e test, please conntact your nea arest INFICON N service ceenter.
59
EEPROM te est
Test of the para ameter memo ory. Test se equence I
EEPROM E +
Display testt
Press
keys att the same time to start test
EEPRO OM RUN
I Tes st in progress.
EEPRO OM PASS
I Tes st completed, nno error found d.
EEPRO OM ERROR
I Tes st completed, eerror found. If th he error persissts after repeating the test, plea ase contact yoour nearest IN NFICON serv vice center.
Test of the disp play. Test se equence I
DISPLAY D + +
Press
keys att the same time to start test
er starting the test, all displa ay elements Afte are lit at the samee time for 10 s. s
I/O test
Test of the unitt relays. The te est program te ests their switcching function n.
Caution Cau ution: The rela ays switch irrespective of thee pressure. Sta arting a test pro ogram may ca ause unwantedd effects in co onnected con ntrol systems. Dissconnect all se ensor and conttrol system linnes to ensure that t no ntrol command ds or message es are triggereed by mistake.. con The relays swittch on and off cyclically. The e switching opperations are indicated i optically and arre also clearly y audible. The switching ffunction conta acts are conne ected to the CO ONTROL conn nector (V VGC501) or to o the RELAY connector c (VG GC502/503) onn the rear of th he unit (→ → 22). Checck their functio on with an ohm mmeter. Test se equence I
I/O +
Press
keys att the same time to start test
I All relays r deactivvated
I/O R REL1 ON
I Swiitching functioon relay 1
I/O R REL1 OFF
I Swiitching functioon relay 1
I/O R REL2 ON
I Swiitching functioon relay 2
…
I/O O OFF
Compatibility
Compatibility C off the VGC50x x with INFICON N gauges or w with OLV trans smitters. Value
60
COMP. C INFI ICON
I
INFICO ON gauges suppported (default)
COMP. C OLV
I
OLV tra ansmitters suppported
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4.5.6 Data Logger Mode
DATA LOGGER
>I
The data logger group is used for •
recording measurement data on a USB memory stick (interface type A on the front of the Center unit)
•
deleting recorded measurement data from the USB memory stick
This group is only available when a USB memory stick formatted for the FAT file system (FAT32) is plugged in. Use a max. 32 GB memory stick. Not all USB memory sticks are automatically recognized by the VGC50x, as they (in particular cheaper brands) do not always conform to USB standard requirements. Try a different memory stick before contacting your nearest INFICON service center.
Parameters in this group
DATE
I
Current date
TIME
I
Current time
INTERVAL
I
Display interval
DEC-SEPARATOR
I
Decimal separator
FILENAME
I
File name
START / STOP
I
Start / stop record
CLEAR
I
Deletion of files with displayed measurement data
Value
Date I
DATE
Current date in the format YYYY-MM-DD
e.g. DATE 2015-04-15 I e.g. 2015-04-15
Value
Time I
TIME
e.g. TIME 15:45
Interval
Current time in the format hh:mm [24 h] I e.g. 15:45
Data logging interval. Value INTERVAL
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I
INTERVAL 1s
I Recording interval 1/s
INTERVAL 10s
I Recording interval 1/10 s
INTERVAL 30s
I Recording interval 1/30 s
INTERVAL 1min
I Recording interval 1/60 s
INTERVAL 1%
I Recording interval: in the event of measurement value changes ≥1%
INTERVAL 5%
I Recording interval: in the event of measurement value changes ≥5%
61
Decimal separator
Decimal D separa ator for measu urement value es in the meassurement data file. Wert DEC-SEPARA D ATOR
I
DEC-S SEPARATOR , I Dec cimal comma DEC-S SEPARATOR . I Dec cimal point
Value
File name FILENAME F
I
Name of o the measurrement data file, max. 7 digits s
e.g. FILEN NAME DATAL LOGI File e ending: CSV V After A entering tthe 7th digit the e display stops s flashing. Thee name of the data file is sa aved and the unit is in the read mode aga ain. Is th he file name sh horter than 7 digits, d a blank space must be b set to each rema aining digit.
Start / Stop p
Starting S / stopp ping measurem ment value dis splay. fflashes during measuremen nt data displayy (in the measurement mode e onlyy). Value I
START S START T
I Press key to sstart record: Data D record is running, display hhas changed to t STO OP and th he down arrow w is blinking.
STOP
I Press key to sstop saving: Data D record is stop pped, display has changed to START and d the up arrow w is blinking.
The unit does not return automa atically to the measurementt mode, as g as the arrows s or in the display are blinking. long key to leave the editing e mode. T Then, after ap pprox. 10 s, Presss the the u unit returns au utomatically to o the measure ment mode.
Deletion
Deletion D of all m measurement data files (end ding CSV) fro m USB memo ory stick. Value CLEAR C +
62
I
Press files
keys att the same time to delete
CLEAR R RUNNING
I CSV V files are bei ng deleted
CLEAR R DONE
I CSV V files have beeen deleted
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4.5.7 Parameter Transfer Mode
>I
SETUP
This group is used for •
saving all parameters on a USB memory stick (interface type A on the front of the VGC50x)
•
loading all parameters from a USB memory stick onto the VGC50x
•
formatting a USB memory stick
•
deleting files with saved parameters from the USB memory stick
This group is only available when a USB memory stick formatted for the FAT file system (FAT32) is plugged in. Use a max. 32 GB memory stick.
Parameters in this group
Saving a parameter
SAVE
I
Saving all parameters
RESTORE
I
Loading all parameters onto the VGC50x
FORMAT
I
Formatting USB memory stick (FAT32)
CLEAR
I
Deletion of files with saved parameters
<
I
One level back
Saving all parameters of the VGC50x to a USB memory stick (file ending: CSV). The setpoint/threshold and offset values are stored in mBar or hPa, respectively. Value I
SAVE
I File name on the USB memory stick: SETUP01.CSV
…
SAVE SETUP
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SAVE SETUP99
I File name on the USB memory stick: SETUP99.CSV
SAVE RUNNING
I CSV file is being saved
SAVE DONE
I Saving completed
63
Loading parameters
Loading all parrameters from a USB memo ory stick onto tthe VGC50x. If no o unit has been n specified forr the setpoint/tthreshold and offset values in th he CSV-file, the value is read d in mBar or hhPa, respectiv vely. Othere, one of the units "MBAR", "HPASCAL", "TORR", "PAS SCAL" or wise "MIC CRON" must be b explicitly en ntered in capittal letters and with a single spacce. Example es: 5.00-4 T TORR 0.0002 P PASCAL Value I
RESTORE R
RESTO ORE SETUP0 01 I File e name on the USB memory y stick:
…
SET TUP.CSV
RESTO ORE SETUP9 99 I File e name on the USB memory y stick:
SET TUP99.CSV RESTO ORE RUNNIN NG I CSV V file is being loaded
Formatting
RESTO ORE DONE
I Loa ading completeed
RESTO ORE ERROR
I Erro or occurred
Formatting USB B memory stic ck. Value FORMAT F +
Deleting
I
Press formatting
keys att the same time to start
FORMA AT RUNNING G
I Formatting in proogress
FORMA AT DONE
I Formatting comppleted
Deleting D all parrameter files (e ending CSV) from f the USB memory stick k. Value CLEAR C +
64
I
Press files
keys att the same time to delete
CLEAR R RUNNING
I CSV V files are bei ng deleted
CLEAR R DONE
I CSV V files have beeen deleted
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5 Communication Protocol (Serial Interface) The VGC50x communicates with a computer via virtual serial interfaces (COM ports). Thus the user software can access the VGC50x via USB Type B or via Ethernet interface.
Communication via USB Type B interface
The corresponding driver for the virtual COM port is installed automatically, when the VGC50x is connected to a computer via the USB Type B interface. If the driver is not installed automatically, it can be downloaded from the FTDI website (www.ftdichip.com/Drivers/VCP.htm). The installed virtual COM port appears as additional serial interface in the device manager of the computer.
Communication via Ethernet interface
With the Ethernet Configuration Tool a virtual serial interface (COM) can be assigned to an IP address. In addition, it allows configuration of the Ethernet interface via a computer (→ 106). The installed virtual COM port appears as additional serial interface in the device manager of the computer.
When the VGC50x is put into operation, it starts transmitting measured values in intervals of 1 s. As soon as the first character is transferred to the VGC50x, the automatic transmission of measured values stops. After the necessary inquiries or parameter modifications have been made, the transmission of measured values can be started again with the COM command (→ 70). Communication structure and procedures are identical for the three controllers VGC501, VGC502 and VGC503. Therefore the term VGC50x is used in this chapter. It should be noted that mnemonics with channel specific parameters must be issued with the number of values corresponding to the number of channels of the respective device. Example:
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VGC501
Transmit: OFC [,a]
VGC502
Transmit: OFC [,a,b]
VGC503
Transmit: OFC [,a,b,c]
65
5.1 Data Transmission Data format Definitions
The data transmission is bi-directional, i.e. data and control commands can be transmitted in either direction. 1 start bit, 8 data bits, no parity bit, 1 stop bit, no hardware handshake. The following abbreviations and symbols are used: Symbol
Meaning
HOST [...] ASCII
Computer or terminal Optional elements American Standard Code for Information Interchange
END OF TEXT (CTRL C) Reset the interface CARRIAGE RETURN Go to beginning of line LINE FEED Advance by one line ENQUIRY (CTRL E) Request for data transmission ACKNOWLEDGE Positive report signal NEGATIVE ACKNOWLEDGE Negative report signal
"Transmit": "Receive":
Flow Control
66
Dez 3
Hex 03
13
0D
10
0A
5
05
6
06
21
15
Data transfer from HOST to VGC50x Data transfer from VGC50x to HOST
After each ASCII string, the HOST must wait for a report signal ( or ). The input buffer of the HOST must have a capacity of at least 32 bytes.
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5.2 Communication Protocol Transmission format
Messages are transmitted to the VGC50x as ASCII strings in the form of mnemonic operating codes and parameters. All mnemonics comprise three ASCII characters. Spaces are ignored. (CTRL C) clears the input buffer in the VGC50x.
Transmission protocol
Reception format
HOST
VGC50x
Explanation
Mnemonics [and parameters] –––––––––> [] ––––––––––––––––––––––>
Receives message with "end of message"
<–––––––––––––––––
Positive acknowledgment of a received message
When requested with a mnemonic instruction, the VGC50x transmits the measurement data or parameters as ASCII strings to the HOST. (CTRL E) must be transmitted to request the transmission of an ASCII string. Additional strings, according to the last selected mnemonic, are read out by repetitive transmission of . If is received without a valid request, the ERROR word is transmitted.
Reception protocol
HOST
VGC50x
Explanation
Mnemonics [and parameters] –––––––––> [] ––––––––––––––––––––––>
Receives message with "end of message"
<–––––––––––––––––-
Positive acknowledgment of a received message
-––––––––––––––––––––––––>
Requests to transmit data
<–––––––––––––––
Measurement values Transmits data with "end of mesor parameters sage" <––––––––––––––––––––––– :
:
–––––––––––––––––––––––––>
Requests to transmit data
<–––––––––––––––
Measurement values Transmits data with "end of mesor parameters sage" <–––––––––––––––––––––––
Error processing
Error recognition protocol
The strings received are verified in the VGC50x. If an error is detected, a negative acknowledgment is output. HOST
VGC50x
Mnemonics [and parameters] –––––––––> [] -–––––––––––––––––––––>
Explanation Receives message with "end of message"
***** Transmission or programming error *****
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<––––
Negative acknowledgment of a received message
Mnemonics [and parameters] ––––––––-> [] –––––––––––––––––––––>
Receives message with "end of message"
<––––––––––––––––
Positive acknowledgment of a received message
67
ADC
A/D Converter test
→ 92
AOM
Analog output mode
85
AYT
Are you there?
97
BAL
Backlight
86
BAU
Transmission rate (USB)
86
CAL
Calibration factor
77
CF1
Calibration factor gauge 1
77
CF2
Calibration factor gauge 2
77
CF3
Calibration factor gauge 3
77
COM
Continuous mode of measurement values
70
COR
Calibration factor
77
CPR
Combined pressure range (linear gauges)
71
CPT
Compatibility with gauges
92
DAT
Date
91
DCB
Display control bar graph
87
DCC
Display control contrast
88
DCD
Display resolution
78
DCS
Display control screensaver
88
DGS
Degas
78
DIS
Display test
92
EEP
EEPROM test
92
EPR
FLASH test
92
ERA
Error relay allocation
88
ERR
Error status
72
ETH
Ethernet configuration
97
EUM
Emission user mode
78
EVA
Measurement range end value
89
FIL
Measurement value filter
79
FMT
Number format (measurement value)
89
FSR
Measurement range (linear gauges)
80
FUM
Filament user mode
79
GAS
Gas type correction
81
HDW
Hardware version
93
HVC
HV control, EMI on/off
93
IOT
I/O test
93
ITR
Data output
81
LCM
Start / stop data logger
91
LNG
Language (display)
89
LOC
Keylock
93
MAC
Ethernet MAC address
93
OFC
Offset correction (linear gauges)
82
OFD
Offset display (linear gauges)
82
OFS
Offset correction (VGC501 only)
83
PNR
Firmware version
93
PR1
Measurement data gauge 1
72
PR2
Measurement data gauge 2
72
PR3
Measurement data gauge 3
72
PRE
Pirani range extension
90
PRX
Measurement data gauges 1, 2 and 3
73
5.3 Mnemonics
68
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RES
Reset
74
RHR
Operating hours
93
RST
RS232C test
94
SAV
Save parameters (EEPROM)
90
SC1
Gauge 1 control
84
SC2
Gauge 2 control
84
SC3
Gauge 3 control
84
SCM
Save / load parameters (USB)
92
SP1
Switching function 1
76
SP2
Switching function 2
76
SP3
Switching function 3
76
SP4
Switching function 4
76
SP5
Switching function 5
76
SP6
Switching function 6
76
SPS
Switching function status
76
TAD
A/D converter test
94
TAI
ID resistance test
94
TDI
Display test
94
TEE
EEPROM test
94
TEP
FLASH test
95
TID
Gauge identification
75
TIM
Time
91
TIO
I/O test
95
TKB
Operator key test
96
TLC
Torr lock
96
TMP
Inner temperature of the unit
96
TRS
Serial interface test
96
UNI
Pressure unit
90
WDT
Watchdog control
97
69
5.4 Measurement Mode COM - Continuous output of measurement values
COM [,a] []
Transmit:
Description a
Time interval, a = 0 –> 100 ms 1 –> 1 s (default) 2 –> 1 minute
Receive:
is immediately followed by the continuous output of the measurement value in the desired interval.
Receive:
b,sx.xxxxEsxx,c,sy.yyyyEsyy,d,sz.zzzzEszz Description b
sx.xxxxEsxx c sy.yyyyEsyy d sz.zzzzEszz 1)
70
Status gauge 1, b = 0 –> Measurement data okay 1 –> Underrange 2 –> Overrange 3 –> Measurement value error (sensor error) 4 –> Sensor off (PEG, MAG) 5 –> No sensor 6 –> Identification error 7 –> Error BPG, HPG, BCG Measurement value gauge 1 1) [in current pressure unit] (s = sign) Status gauge 2 Measurement value gauge 2 1) [in current pressure unit] (s = sign) Status gauge 3 Measurement value gauge 3 1) [in current pressure unit] (s = sign)
Values always in exponential format. rd th For logarithmic gauges, the 3 and 4 decimal are always 0.
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CPR - Combined pressure range (linear gauges)
This parameter combines different pressure ranges to one combined pressure range, if several linear gauges with different full scales (F.S.) are connected to the VGC502 and VGC503. Thus the pressure for this combined pressure range can be read out with best accuracy. The pressure is higher than the full scale of the gauge with lower full scale: The VGC502/503 switches to the gauge with higher full scale. Only one linear gauge is connected: The measurement value of this gauge is output. No linear gauge is connected: 1000 mbar is output as measurement value and the parameters a, b and c are set to "0".
Example
Channel 1: Channel 2:
linear gauge, 1000 mbar F.S. linear gauge, 10 mbar F.S. Channel 1 Channel 2
Combined pressure range
Transmit command:
CPR,1,2,0
or
CPR,1,2 CPR,2,1
or
CPR [,a,b,c] []
Transmit:
Description a
b c
Measurement channel of the selected gauge, a = 0 –> No linear gauge connected 1 –> Measurement channel 1 2 –> Measurement channel 2 3 –> Measurement channel 3 Measurement channel of the selected gauge Measurement channel of the selected gauge
Receive: Transmit:
Receive:
a,b,c,sx.xxxxEsxx Description a b c sx.xxxxEsxx
1)
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Measurement channel of the selected gauge Measurement channel of the selected gauge Measurement channel of the selected gauge Combined measurement value 1) [in current pressure unit] (s = sign)
Values always in exponential format.
71
ERR - Error status
Transmit:
ERR []
Receive: Transmit:
Receive:
aaaa
Error status
Description aaaa
Error status, aaaa = 0000 –> No error 1000 –> ERROR (controller error (see display on front panel) 0100 –> NO HWR (no hardware) 0010 –> PAR (inadmissible parameter) 0001 –> SYN (Syntax error)
The ERROR word is cancelled when read out. If the error persists, it is immediately set again.
PR1, PR2, PR3 - Measurement data gauge 1, 2 or 3
PRn []
Transmit:
Description n
Measurement value, n = 1 –> Gauge 1 2 –> Gauge 2 3 –> Gauge 3
Receive: Transmit:
Receive:
a,sx.xxxxEsxx Description a
sx.xxxxEsxx
1)
72
Status, a = 0 –> Measurement data okay 1 –> Underrange 2 –> Overrange 3 –> Sensor error 4 –> Sensor off (PEG, MAG) 5 –> No sensor 6 –> Identification error 7 –> Error BPG, HPG, BCG Measurement value 1) [in current pressure unit] (s = sign)
Values always in exponential format. rd th For logarithmic gauges, the 3 and 4 decimal are always 0.
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PRX - Measurement data gauge 1, 2 and 3
Transmit:
PRX []
Receive: Transmit:
Receive:
a,sx.xxxxEsxx,b,sy.yyyyEsyy,c,sz.zzzzEszz Description a
sx.xxxxEsxx b sy.yyyyEsyy c sz.zzzzEszz
1)
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Status gauge 1, a = 0 –> Measurement data okay 1 –> Underrange 2 –> Overrange 3 –> Sensor error 4 –> Sensor off (PEG, MAG) 5 –> No Sensor 6 –> Identification error 7 –> Error BPG, HPG, BCG Measurement value gauge 1 1) [in current pressure unit] (s = sign) Status gauge 2 Measurement value gauge 2 1) [in current pressure unit] (s = sign) Status gauge 3 Measurement value gauge 3 1) [in current pressure unit] (s = sign)
Values always in exponential format. rd th For logarithmic gauges, the 3 and 4 decimal are always 0.
73
RES - Reset
Transmit:
RES [,a] [] Description a
a= 1 –> Cancels currently active error and returns to measurement mode
Receive: Transmit:
Receive:
b[,b][,b][…] Description b
74
List of all present error messages, b = 0 –> No error 1 –> Watchdog has responded 2 –> Task fail error 3 –> FLASH error 4 –> RAM error 5 –> EEPROM error 6 –> DISPLAY error 7 –> A/D converter error 8 –> UART error 9 –> Gauge 1 general error 10 –> Gauge 1 ID error 11 –> Gauge 2 general error 12 –> Gauge 2 ID error 13 –> Gauge 3 general error 14 –> Gauge 3 ID error
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TID - Gauge identification
Transmit:
TID []
Receive: Transmit:
Receive:
a,b,c
Gauge identification
Description a
b c
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Identification gauge 1, a = PSG (Pirani Gauge) PCG (Pirani / Capacitance Gauge) PEG/MAG (Cold Cathode Gauge) MPG (Cold Cathode / Pirani Gauge) CDG (Capacitance Gauge) BPG (Hot Ionization / Pirani Gauge) BPG402 (Hot Ionization / Pirani Gauge) HPG (Hot Ionization / Pirani Gauge) BCG (Hot Ionization / Capacitance / Pirani Gauge) noSEn (No sensor) noid (No identifier) Identification gauge 2 Identification gauge 3
75
5.5 Switching Function Parameters SPS - Switching function status
Transmit:
SPS []
Receive: Transmit:
Receive:
a,b,c,d,e,f Description a
b c d e f
SP1 … SP6 - Switching function 1 … 6
Status switching function 1, a = 0 –> Off 1 –> On Status switching function 2 Status switching function 3 Status switching function 4 Status switching function 5 Status switching function 6
SPx [,a,x.xxxxEsxx,y.yyyyEsyy] []
Transmit:
Description x
a
x.xxxxEsxx y.yyyyEsyy
1)
Switching function, x = 1 –> Switching function 1 2 –> Switching function 2 3 –> Switching function 3 4 –> Switching function 4 5 –> Switching function 5 6 –> Switching function 6 Switching function assignment, a = 0 –> Turned off 1 –> Turned on 2 –> Measurement channel 1 3 –> Measurement channel 2 4 –> Measurement channel 3 Lower threshold 1) [in current pressure unit] (default = depending on gauge) (s = sign) Upper threshold 1) [in current pressure unit] (default = depending on gauge) (s = sign)
Values can be entered in any format. They are internally converted into the floating point format.
Receive: Transmit:
Receive:
a,x.xxxxEsxx,y.yyyyEsyy Description a x.xxxxEsxx y.yyyyEsyy
76
Switching function assignment Lower threshold [in current pressure unit] (s = sign) Upper threshold [in current pressure unit] (s = sign)
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5.6 Gauge Parameters CAL - Calibration factor
CAL corresponds to the COR command
CF1, CF2, CF3 - Calibration factor gauge 1, 2 or 3
Transmit:
CFx [,a.aaa] [] Description x
a.aaa
Calibration factor gauge x = 1 –> Gauge 1 2 –> Gauge 2 3 –> Gauge 3 Calibration factor gauge x, 0.100 … 10.000 (default = 1.000)
Receive: Transmit:
Receive:
a.aaa Description a.aaa
COR - Calibration factor
Transmit:
Calibration factor gauge x
COR [,a.aaa,b.bbb,c.ccc] [] Description a.aaa b.bbb c.ccc
Calibration factor gauge 1, 0.100 … 10.000 (default = 1.000) Calibration factor gauge 2 Calibration factor gauge 3
Receive: Transmit:
Receive:
a.aaa,b.bbb,c.ccc Description a.aaa b.bbb c.ccc
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Calibration factor gauge 1 Calibration factor gauge 2 Calibration factor gauge 3
77
DCD - Display resolution
Transmit: DCD [,a,a,a] [] Receive: Transmit:
Receive:
a,a,a Description a
Resolution a = 0 –> AUTO (default) 1 –> One digit 2 –> Two digits 3 –> Three digits 4 –> Four digits
When the PrE (→ 90) is ON and the pressure is in the range p<1.0E-4 mbar the display resolution of the PSG- and PCG gauges is reduced by one decimal digit.
DGS - Degas
Transmit:
DGS [,a,b,c] [] Description a
b c
Degas gauge 1, a = 0 –> Degas off (default) 1 –> Degas on (3 minutes) Degas gauge 2 Degas gauge 3
Receive: Transmit:
Receive:
a,b,c Description a b c
EUM - Emission user mode
Degas status gauge 1 Degas status gauge 2 Degas status gauge 3
Transmit:
EUM [,a,b,c] []
Receive: Transmit:
Receive:
a,b,c Description a
b c
78
Emission for measurement channel 1, a = 0 –> Manually 1 –> Automatic (default) Emission for measurement channel 2 Emission for measurement channel 3
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FIL - Measurement value filter
Transmit:
FIL [,a,b,c] [] Description a
b c
Filter gauge 1, a = 0 –> Filter off 1 –> Fast 2 –> Normal 3 –> Slow Filter gauge 2 Filter gauge 3
Receive: Transmit:
Receive:
a,b,c Description a b c
FUM - Filament user mode BPG402
Filter time constant gauge 1 Filter time constant gauge 2 Filter time constant gauge 3
Transmit:
FUM [,a,b,c] []
Receive: Transmit:
Receive:
a,b,c Description a
b c
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Filament for measurement channel 1, a = 0 –> Automatic (default) 1 –> Filament 1 2 –> Filament 2 Filament for measurement channel 2 Filament for measurement channel 3
79
FSR - Measurement range (linear gauges)
The full scale value of the measurement range (Full Scale) of linear analog gauges has to be defined by the user. The full scale value of linear digital gauges and logarithmic gauges is automatically recognized. Transmit:
FSR [,a,b,c] [] Description a
b c
Full scale value gauge 1, a = 0 –> 0.01 mbar 1 –> 0.01 Torr 2 –> 0.02 mbar 3 –> 0.02 Torr 4 –> 0.05 mbar 5 –> 0.05 Torr 6 –> 0.10 mbar 7 –> 0.10 Torr 8 –> 0.25 mbar 9 –> 0.25 Torr 10 –> 0.50 mbar 11 –> 0.50 Torr 12 –> 1 mbar 13 –> 1 Torr 14 –> 2 mbar 15 –> 2 Torr 16 –> 5 mbar 17 –> 5 Torr 18 –> 10 mbar 19 –> 10 Torr 20 –> 20 mbar 21 –> 20 Torr 22 –> 50 mbar 23 –> 50 Torr 24 –> 100 mbar 25 –> 100 Torr 26 –> 200 mbar 27 –> 200 Torr 28 –> 500 mbar 29 –> 500 Torr 30 –> 1000 mbar 31 –> 1100 mbar 32 –> 1000 Torr 33 –> 2 bar 34 –> 5 bar 35 –> 10 bar 36 –> 50 bar Full scale value gauge 2 Full scale value gauge 3
Receive: Transmit:
Receive:
a,b,c Description a b c
80
Full scale value gauge 1 Full scale value gauge 2 Full scale value gauge 3
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GAS - Gas type correction
Transmit:
GAS [,a,b,c] []
Receive: Transmit:
Receive:
a,b,c Description a
b c
HVC - HV control, EMI on / off
Gas type correction measurement channel 1, a = 0 –> nitrogen / air (default) 1 –> Argon 2 –> Hydrogen 3 –> Helium 4 –> Neon 5 –> Krypton 6 –> Xenon 7 –> Other gases Gas type correction measurement channel 2 Gas type correction measurement channel 3
Transmit:
HVC [,a,b,c] []
Receive: Transmit:
Receive:
a,b,c Description a
b c
ITR - Data output BPG, HPG, BCG, CDGxxxD
Gauge 1, a = 0 –> Off 1 –> On Gauge 2 Gauge 3
Transmit:
ITR []
Receive: Transmit:
Receive:
aa,aa,aa,aa,aa,aa,aa,aa bb,bb,bb,bb,bb,bb,bb,bb cc,cc,cc,cc,cc,cc,cc,cc Description aa,aa,aa,aa,aa,aa,aa,aa bb,bb,bb,bb,bb,bb,bb,bb cc,cc,cc,cc,cc,cc,cc,cc
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Data string gauge 1 (byte 0 … 7 in hex format) Data string gauge 2 (byte 0 … 7 in hex format) Data string gauge 3 (byte 0 … 7 in hex format)
81
OFC - Offset correction (linear gauges)
OFC [,a,b,c] []
Transmit:
Description a
b c
Offset correction gauge 1, a = 0 –> Off (default) 1 –> On 2 –> Determine offset value and activate offset correction 3 –> Adjust the zero of linear gauge Offset correction gauge 2 Offset correction gauge 3
Receive: Transmit:
Receive:
a,b,c Description a b c
OFD - Offset display (linear gauges)
Offset correction gauge 1 Offset correction gauge 2 Offset correction gauge 3
Transmit: OFD [,sa.aaaaEsaa,sb.bbbbEsbb,sc.ccccEscc] [] Description sa.aaaaEsaa sb.bbbbEsbb sc.ccccEscc
Gauge 1 Offset 1), [in current pressure unit] (default = 0.0000E+00) (s = sign) Gauge 2 Offset 1) (s = sign) Gauge 3 Offset 1) (s = sign)
1)
Values can be entered in any format. They are internally converted into the floating point format.
Receive: Transmit:
Receive:
sa.aaaaEsaa,sb.bbbbEsbb,sc.ccccEscc Description sa.aaaaEsaa sb.bbbbEsbb sc.ccccEscc
82
Gauge 1 Offset 1) (s = sign) Gauge 2 Offset 1) (s = sign) Gauge 3 Offset 1) (s = sign)
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OFS - Offset correction (linear gauges, VGC501 only)
OFS [,a,sx.xxxxEsxx] []
Transmit:
Description a
sx.xxxxEsxx
Mode, a = 0 –> Off (default) No offset value needs to be entered 1 –> On If no offset value has been entered, the previously defined offset value is taken over 2 –> Auto (offset measurement) No offset value needs to be entered 3 –> Zero adjustment CDGxxxD No offset value needs to be entered Offset 1), [in current pressure unit] (default = 0.0000E+00) s = sign
1)
Values can be entered in any format. They are internally converted into the floating point format.
Receive: Transmit:
Receive:
a,sx.xxxxEsxx Description a sx.xxxxEsxx
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Mode Offset 1), [in current pressure unit] s = sign
83
5.7 Gauge Control SC1, SC2, SC3 - Gauge 1, 2 or 3 control
Transmit:
SCx [,a,b,c.ccEscc,d.ddEsdd] [] Description x
a
b
c.ccEscc d.ddEsdd
Controlled gauge, x = 1 –> Gauge 1 2 –> Gauge 2 3 –> Gauge 3 Gauge activation, a = 0 –> Manual (default) 1 –> Hot start 3 –> Via measurement channel 1 4 –> Via measurement channel 2 5 –> Via measurement channel 3 Gauge deactivation, b = 0 –> Manual (default) 1 –> Self control 3 –> Via measurement channel 1 4 –> Via measurement channel 2 5 –> Via measurement channel 3 ON threshold (s = sign) OFF threshold (s = sign)
Receive: Transmit:
Receive:
a,b,c.ccEscc,d.ddEsdd Description a b c.ccEscc d.ddEsdd
84
Gauge activation Gauge deactivation ON threshold (s = sign) OFF threshold (s = sign)
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5.8 General Parameters AOM - Analog output mode
Characteristic curve of the recorder output Transmit:
AOM [,a,b] [] Description a
b
Measurement channel, a = 0 –> Measurement channel 1 1 –> Measurement channel 2 2 –> Measurement channel 3 Output characteristic, b = 0 –> Logarithmic LOG 1 –> Logarithmic LOG A 2 –> Logarithmic LOG -6 3 –> Logarithmic LOG -3 4 –> Logarithmic LOG +0 5 –> Logarithmic LOG +3 6 –> Logarithmic LOG C1 7 –> Logarithmic LOG C2 8 –> Logarithmic LOG C3 9 –> Linear LIN -10 10 –> Linear LIN -9 11 –> Linear LIN -8 12 –> Linear LIN -7 13 –> Linear LIN -6 14 –> Linear LIN -5 15 –> Linear LIN -4 16 –> Linear LIN -3 17 –> Linear LIN -2 18 –> Linear LIN -1 19 –> Linear LIN +0 20 –> Linear LIN +1 21 –> Linear LIN +2 22 –> Linear LIN +3 23 –> IM221 24 –> Logarithmic LOG C4 25 –> PM411 26 –> CH x 27 –> PRM10K 28 –> IMR110 29 –> IMR120 30 –> IMR310 31 –> IMR320
Receive: Transmit:
Receive:
a,b Description a b
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Measurement channel Voltage (measurement value)
85
BAL - Backlight
Transmit:
BAL [,a] [] Description a
Backlight in percent, a = 0 … 100 100% is full brightness
Receive: Transmit:
Receive:
a Description a
BAU - Transmission rate (USB)
Transmit:
Backlight
BAU [,a] [ 
