Edwards PGC201 Instruction Manual
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Edwards PGC201 Instruction Manual

Edwards PGC201 Instruction Manual

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PGC201 PASSIVE GAUGE CONTROLLER
INSTRUCTION MANUAL
Publication number: D0300040001EN
Issue: A
Original Instructions
edwardsvacuum.com

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Summary of Contents for Edwards PGC201

  • Page 1 PGC201 PASSIVE GAUGE CONTROLLER INSTRUCTION MANUAL Publication number: D0300040001EN Issue: A Original Instructions edwardsvacuum.com...
  • Page 2 PRG20K – DN16CF SS D03000130 CPG35K – NW25 D03000220 PRG20KCR – NW16 SS D03000140 CPG35KB – DN40CF D03000400 PGC201 Pirani/Penning Contr +* D03000201 PRG cable 5 m D03000101 CPG cable 5 m D03000202 PRG cable 10 m D03000102 CPG cable 10 m...
  • Page 3 Product Label Meaning This product contains hazardous substances in at least one of the homogeneous materials used which are above the limit PGC201 vacuum requirement in GB/T 26572 as detailed in the declaration table below. gauge controller These parts can safely be used for the environmental protection use period as indicated.
  • Page 4 D0300040001EN - Copyright notice Copyright notice © Edwards Limited 2017. All rights reserved. Trademark credits Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 5: Table Of Contents

    General information ......................3 Key to the symbols ......................3 Basic safety information ....................3 General equipment description PGC201 ..........................5 PRG (Pirani) method of measurement ................5 CPG (cold cathode) method of measurement ..............5 Connectable gauge heads ....................5 Technical data General data ........................
  • Page 6 D0300040001EN - Contents Rack installation ......................13 Front panel installation ....................14 Benchtop instrument ....................15 Connections ........................15 Rear side of the instrument ..................15 Mains connection ...................... 16 Earthing ........................17 PRG measurement channels (PRG 1 and PRG 2) ............17 CPG measurement channel (CPG) ................
  • Page 7 D0300040001EN - Contents Hysteresis ......................29 Configuring the switching functions ................30 Adjustment range ...................... 30 Sensor parameters (PArA SEn) ..................31 Filament material PRG (FIL) ..................31 Type of gas correction PRG (GASTM) ................ 31 Type of gas correction CPG (GASPM) ................ 32 Sensor switch-on type (S-on) ..................
  • Page 8 D0300040001EN - Contents Error messages ......................49 Help the case of faults ....................49 Fuse replacement ...................... 50 Repair ......................... 50 Storing and waste disposal Storing ..........................51 Waste disposal ........................ 51 List of Figures Dimensions (mm) ...................... 7 Rack installation ...................... 14 Front panel cut-out dimensions (mm) ..............
  • Page 9 D0300040001EN - Contents Terms computer interface ..................37 Control characters computer interface ..............37 Mnemonics for read commands ................39 Mnemonics for write commands ................39 Mnemonics for read and write commands ............. 39 Error messages ......................49 Page v...
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  • Page 11: Description

    Based on the technical data please check first whether your measuring instrument is suited to your kind of application. Responsibility and warranty Edwards will not assume any responsibility or warranty in cases where the operator or third persons: Do not observe the information given in this document.

  • Page 12: Shipping Damage

    Remove all of the packaging material and check the instrument. If the instrument is  damaged, follow the Edwards return of equipment procedures that are laid out in the back of this manual. Do not use the instrument if it is damaged.

  • Page 13: Safety

    D0300040001EN - Safety Safety General information The Edwards PGC201 controller is delivered ready for operation. This manual provides installation, operation and maintenance instructions for the PGC201. The instrument must be used as specified in this manual. Key to the symbols Important instructions relating to technical safety and safe operation are emphasised by symbols.
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  • Page 15: General Equipment Description

    Six switching thresholds permit the integration of the PGC201 within complex vacuum control facilities. The two PRG channels are immediately active upon powering up. The CPG channel may be switched on and off by one of the two PRG channels or externally or manually.

  • Page 16: Gauge Head Cables

    D0300040001EN - General equipment description Table 3 Gauge head cables Gauge head type Product description Item number PRG Cable 5 m D03000201 PRG Cable 10 m D03000202 PRG cables PRG Cable 20 m D03000203 PRG Cable 30 m D03000204 PRG Cable 50 m D03000205 CPG Cable 5 m D03000101...

  • Page 17: Technical Data

    D0300040001EN - Technical data Technical data General data Mechanical data Dimensions: Width: 106.4 mm Height: 128.4 mm Depth: 174.5 mm 1.4 kg Weight: 230 mm approximately (including connected plugs) Installation depth: Usage: Rack installation Front panel installation Benchtop instrument Figure 1 Dimensions (mm) Page 7...

  • Page 18: Standard Parameters (Factory Defaults)

    D0300040001EN - Technical data Standard parameters (factory defaults) Sensor-dependent parameters Table 5 Switching parameters, factory defaults PRG setting CPG setting Parameter Parameter description (mbar) (mbar)    . . Switching thresold 1 - lower threshold    . ....

  • Page 19: Standards

    D0300040001EN - Technical data Standards Conformity with respect to Low Voltage Directive 2014/35/EU  Conformity with respect to EMC Directive 2014/30/EU  Conformity with respect to RoHS Directive 2011/65/EU  International/national standards as well as specifications: DIN EN 61010-1 (2011) (Safety requirements for electrical equipment for ...

  • Page 20: Cpg Measurement Channel

    D0300040001EN - Technical data CPG measurement channel Measurement range: 1 x 10 to 1 x 10 mbar Measurement accuracy: ± 30% of measured value (10 to 10 mbar) Cable length: Up to 100 m for the pressure range 1 x 10 to 1 x 10 mbar Measurement...

  • Page 21: Outputs And Inputs

    D0300040001EN - Technical data Outputs and inputs Analog output Number: 1 per measurement channel Voltage range: 0 to 10 V d.c. (limit values 0 to 10.5 V d.c.) Output voltage for fault: 10.2 to 10.5 V d.c. Deviation of display value: ±...

  • Page 22: Rs485

    D0300040001EN - Technical data RS485 Standard: RS485 (half-duplex) Parameters: 8 data bits, 1 stop bit, no parity, no protocol Signals: A and B Baud rate: 9600, 19200, 38400 baud Connection: SUB-D, 9-way, socket (jointly used with RS232) Page 12...

  • Page 23: Installation

    Install the instrument or place it so that you are in a position to operate the mains power switch at any time or ensure that the instrument can be de-energised at any time. Rack installation The PGC201 has been designed for installation within a sub-rack (19 inches) in accordance with DIN EN 60297 (IEC 60297) (see Figure 2).

  • Page 24: Front Panel Installation

    D0300040001EN - Installation Figure 2 Rack installation Attach the sub-rack within the rack.  Push the PGC201 into the sub-rack.  Affix the instrument to the sub-rack with the neck collar screws and the plastic sleeves  supplied with the product.

  • Page 25: Benchtop Instrument

    Benchtop instrument WARNING: When using the PGC201 as a benchtop instrument fit the two edge protection rubber pieces onto the top and bottom edge of the front panel to avoid injury by sharp edges. When intending to use the PGC201 as a benchtop instrument, then proceed as follows:...

  • Page 26: Mains Connection

    D0300040001EN - Installation Figure 5 Rear panel of the instrument Connection for the CPG gauge head (CPG) Ground connection (protective earth) and shield of the PRG measurement cables Connections for the PRG gauge heads (PRG 1, PRG 2) Connection for the RS232 or RS485 interface Mains connection with mains switch and fuses Connection for analog output and external control Connection for relay output...

  • Page 27: Earthing

    CAUTION: Gauge heads which have not been designed to be operated in connection with the PGC201 or which do not comply with current EMC guidelines can impair operation of the instrument or even damage it. Always operate the PGC201 with approved gauge heads, Connectable gauge heads.

  • Page 28: Analog Output And External Control (Analog Output / Extern Control)

    D0300040001EN - Installation CAUTION: Gauge heads which have not been designed to be operated in connection with the PGC201 or which do not comply with current EMC guidelines can impair operation of the instrument or even damage it. Always operate the PGC201 with approved and approved...

  • Page 29: Rs232 / Rs485 Interface (Interface Rs232 / Rs485)

    Connecting: Connect the serial interface of the computer using a shielded cable to the connection  RS232/RS485 on the rear of the PGC201. Relay output (relay output) WARNING: Voltages exceeding 60 V d.c. or 30 V a.c. are dangerous when touched. You may only switch output voltages of up to 60 V d.c.
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  • Page 31: Operation

    Do not use the PGC for safety critical applications. The PGC is not intended to be fail safe. Front panel Figure 9 shows the front panel of the PGC201. Figure 9 Front panel Display of channel 1 with two corresponding switching thresholds...

  • Page 32: Control Pushbuttons

     Switching off CAUTION: Wait for at least 5 seconds before switching the instrument on again. at the Switch the instrument off mains switch. Operating modes The PGC201 may be operated in one of the following operating modes: Page 22...

  • Page 33: Measurement Mode

    Measurement mode Selection After switching on the PGC201 it will automatically run the measurement mode. If running the parameter mode and when not operating a key for 10 seconds the instrument will then automatically revert back to the measurement mode.

  • Page 34: Parameter Mode Selection

    D0300040001EN - Operation Parameter mode selection Press the pushbutton (PARA) and keep it depressed for approximately 2 seconds.  The instrument will change to the parameter mode (see Parameter mode).  If no pushbuttons are pressed within 10 seconds, the instrument will then ...

  • Page 35: Parameter Mode

    D0300040001EN - Operation In order to ensure a stable but also correct adjustment of the 100% point, the  adjustment potentiometer (100%) should be turned further by 90° in the clockwise direction after the indication of 1000 mbar has been displayed. Here the over-range indicator should just come on.

  • Page 36: Switching Function Parameters (Para Sp)

    D0300040001EN - Operation Table 11 Parameter groups and corresponding parameters Parameter groups Parameter                           The available parameters have been divided into the following parameter sets: Switching function parameters () These parameters affect only the sensor of the selected measurement channel.
  • Page 37 D0300040001EN - Operation The Para indicator flashes for the selected channel.  Press the (PARA) pushbutton for about 2 seconds.  The parameter menu has now been invoked.  Use the arrow pushbuttons to select the desired parameter group.  The name of the parameter group is displayed.
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  • Page 39: Parameters

    Basic terms Switching functions The PGC201 contains 6 switching function relays, that is, the switching functions 1 and 2 are available for each measurement channel. These switch depending on the measured pressure. The contacts of the relays are floating and may be used for switching purposes through the...

  • Page 40: Configuring The Switching Functions

    D0300040001EN - Parameters Figure 13 Behaviour of a switching function in response to pressure changes Pressure Time Normally open contact Common contact Normally closed contact The range between the lower and the upper threshold value produces a certain amount of hysteresis between switching on and switching off of the relay.

  • Page 41: Sensor Parameters (Para Sen)

    D0300040001EN - Parameters Sensor parameters () A separate set of sensor parameters exists for each measurement channel. Depending on which transmitter is connected to the respective measurement channel, different parameters are available (see Table 12). Table 12 Available sensor parameters ...

  • Page 42: Type Of Gas Correction Cpg (Gaspm)

    D0300040001EN - Parameters  Type of gas correction CPG ( The CPG gauge heads are normally calibrated for measurements in nitrogen or air. With the  aid of the parameter  you can set up the measurement channel to other types of gas. For this proceed as follows: ...

  • Page 43: Sensor Switch-Off Value (T-Off)

    D0300040001EN - Parameters Manual. The gauge head can be switched off by pressing the pushbutton  (DOWN) (see Switching off). Externally through an optocoupler (PLC compatible low level < 7 V d.c.; 0 A at  24 V d.c.). Self-monitoring. With the aid of the next parameter , a switch-off value ...

  • Page 44: Analog Output (Analog)

    D0300040001EN - Parameters Table 14 Values for the parameter  Display Description  Unit of measurement mbar  Unit of measurement Torr  Unit of measurement Pascal The unit of measurement is indicated on the display (Figure 9, Position E). Analog output () Analog output fort he gauge heads.

  • Page 45: Values For The Parameter Rs

    D0300040001EN - Parameters Note: Changing the baud rate will only become effective after having restarted the instrument. Interface () Selection of the interface. Table 19 Values for the parameter  Display Description  RS232 Interface  RS485 Interface Page 35...
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  • Page 47: Interface (Rs)

    D0300040001EN - Computer interface Computer interface Basics Connection The PGC201 can communicate with the computer through a serial interface. RS232 and RS485 interfaces are available. The selection is made through the parameter group  in the parameter mode (see General parameters (PArA GEn))).

  • Page 48: Communication

    D0300040001EN - Computer interface Communication Protocol The following log is used for communication: 8 data bits  no parity bit  1 stop bit  The baud rate is selectable. 9600  19200  38400  No hardware handshake is used. The messages are transferred by way of ASCII strings. A comma (0x2C) in the string is taken as a separating character.

  • Page 49: Command Set (Mnemonics)

    D0300040001EN - Computer interface Command set (mnemonics) Command overview Table 22 Mnemonics for read commands Read commands Description Read Pressure Value. Read the pressure value for a measurement channel. Read Version Number Read the instrument software version number. Read Setpoint Status Read the status of the switching thresholds for a channel.

  • Page 50: Rpv (Read Pressure Value)

    D0300040001EN - Computer interface Table 24 Mnemonics for read and write commands (continued) Read and write commands Description Set Sensor Control Set type of sensor control for a measurement channel. Read Setpoint Read switching thresholds for a channel. Set Setpoint Set switching thresholds for a channel.

  • Page 51: Rvn (Read Version Number)

    D0300040001EN - Computer interface RVN (read version number) Reading the version number of the instrument software. Example: RVN<CR> Response: x.xx<CR> Parameter Description x.xx Version number RSS (read set point status) Reading the status of the switching thresholds for a channel. Example: RSS[a]<CR>...

  • Page 52: Skl (Set Key Lock On/Off)

    D0300040001EN - Computer interface SKL (set key lock on/off) Switching the keylock on or off. Example: SKL[a]<CR> Response: OK<CR> Parameter Description Key lock 0 = off 1 = on SAC (save actual configuration) Saving current configuration for switching threshold, sensor and general parameters. Example: SAC<CR>...

  • Page 53: Rgp (Read General Parameter)

    D0300040001EN - Computer interface RGP (read general parameter) Reading instrument settings. Example: RGP<CR> Response: a[,][TAB]b[,][TAB]c[,][TAB]d[,][TAB]e[,][TAB]f[,][TAB]g <CR> Parameter Description Unit 0 = mbar 1 = Pa 2 = Torr Analog output 0 = Legacy controller mode 1 = PGC 201 default Number of displayed digits 0 = 2 1 = 3...

  • Page 54: Sgp (Set General Parameter)

    D0300040001EN - Computer interface SGP (set general parameter) Setting instrument settings. Example: SGP[a, b, c, d, e, f, g]<CR> Response: OK <CR> Parameter Description Unit 0 = mbar 1 = Pa 2 = Torr X = Parameter remains unchanged Analog output 0 = Legacy controller mode 1 = PGC 201 default X = Parameter remains unchanged...

  • Page 55: Rgc (Read Gas Correction)

    D0300040001EN - Computer interface RGC (read gas correction) Reading the type of gas correction factor for a measurement channel. Example: RGC[a]<CR> Response: b<CR> Parameter Description Channel number 3 = Channel 3 (CPG) Gas type correction factor channel Format X.XX with a range from 0.20 to 8.00 SGC (set gas correction) Setting the type of gas correction factor for a measurement channel.

  • Page 56: Ssc (Set Sensor Control)

    D0300040001EN - Computer interface Parameter Description Sensor switch-off type channel 0 = Manual 1 = External 2 = Self-monitoring 3 = Through channel 1 4 = Through channel 2 x.xxxxE±xx Switch-on value in the current unit of measurement x.xxxxE±xx Switch-off value in the current unit of measurement SSC (set sensor control) Setting the type of sensor control for CPG.

  • Page 57: Rsp (Read Set Point)

    D0300040001EN - Computer interface RSP (read set point) Reading the switching thresholds for a channel. Example: RSP[a]<CR> Response: b[,][TAB]c[,][TAB]d[,][TAB]e<CR> Parameter Description Channel number 1 = Channel 1 (PRG 1) 2 = Channel 2 (PRG 2) 3 = Channel 3 (CPG) ...
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  • Page 59: Maintenance And Service Maintenance

    For external cleaning please use a piece of dry cotton cloth. Do not use any aggressive or abrasive detergents. Troubleshooting Fault finding A malfunction of the PGC201 is indicated by an error message on the display (Error messages). Error messages...

  • Page 60: Fuse Replacement

    Repair Send defective products for repair to your nearest Edwards service office. Edwards will not assume any responsibility or honour a warranty if the operator or third persons have attempted repair work on the PGC201.

  • Page 61: Storing And Waste Disposal

    D0300040001EN - Storing and waste disposal Storing and waste disposal Storing Return the PGC201 to its protective packaging and store in clean dry conditions until required for use. Do not exceed the storage temperature conditions specified in Environment. Waste disposal Dispose of the PGC201 and any components safely and in accordance with all local and national safety and environmental requirements.
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  • Page 65 Complete the Declaration (HS2) and send it to Edwards before you dispatch the equipment. It is important to note that this declaration is for Edwards internal use only, and has no relationship to local, national or international transportation safety or environmental requirements.
  • Page 66 Read the Return of Edwards Equipment – Procedure (HS1) before you complete this Declaration • Contact Edwards to obtain a Return Authorisation Number and to obtain advice if you have any questions • Send this form to Edwards before you return your equipment as per the procedure in HS1...
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  • Page 68 edwardsvacuum.com...

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