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D0300040001EN - Operation

Page 25



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.



Evacuate the vacuum system to a pressure < 5 x 10

-4

mbar and adjust the "0"

potentiometer on the PRG gauge head so that the following reading is obtained:

Figure 12 Zero adjustment for the PRG gauge head



Vent the vacuum system and check the 100% setting once more. Correct any deviation

with the 100% potentiometer.



If a correction of the 100% setting was necessary, then repeat the Zero adjustment.

Parameter mode

Selection

By pressing the (PARA) pushbutton for approximately 2 seconds the instrument changes from
the measurement mode to the parameter mode. The Para indicator comes on for the channel
selected in each case. When the instrument is running in the parameter mode and if no
pushbutton is operated for 10 seconds, then the instrument will automatically return back to
the measurement mode. The Para indicator for the channel which was selected in each case
is turned off.

Parameter groups

In the parameter mode you have access to different parameters. You may view these
parameters or change these with the aid of the arrow pushbuttons. In this way you can
configure the instrument.

shows all available parameters.

Adjustment too high

Adjustment is correct

Adjustment is too low

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Содержание PGC201

Страница 1: ...edwardsvacuum com PGC201 PASSIVE GAUGE CONTROLLER INSTRUCTION MANUAL Publication number D0300040001EN Issue A Original Instructions ...

Страница 2: ...20 m D03000103 CPG cable 20 m D03000204 PRG cable 30 m D03000104 CPG cable 30 m D03000205 PRG cable 50 m D03000105 CPG cable 50 m to which this declaration relates is in conformity with the following standard s or other normative document s EN61010 1 2010 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use General Requirements EN61326 1 2013 Class B Industrial E...

Страница 3: ...料中的含量低于 GB T 26572 标准规定的限量要求 O Indicates that the hazardous substance contained in all of the homogeneous materials for this part is below the limit requirement in GB T 26572 X 表示该有害物质在该部件的至少一种均质材料中的含量超出 GB T26572 标准规定的限量要求 X Indicates that the hazardous substance contained in at least one of the homogeneous materials used for this part is above the limit requirement of GB T26572 The...

Страница 4: ...Copyright notice Edwards Limited 2017 All rights reserved Trademark credits Edwards and the Edwards logo are trademarks of Edwards Limited D0300040001EN Copyright notice ...

Страница 5: ...ctable gauge heads 5 Technical data 7 General data 7 Mechanical data 7 Standard parameters factory defaults 8 Sensor dependent parameters 8 General parameters 8 Environment 8 Standards 9 Mains connection 9 Measurement channels 9 PRG measurement channels 9 CPG measurement channel 10 Measurement 10 Switching functions relay outputs 10 Switching function relay 10 Ready signal relay 10 Outputs and inp...

Страница 6: ...ns DOWN UP 22 Switching on and off 22 Switching on 22 Switching off 22 Operating modes 22 Measurement mode 23 Parameter mode 23 Measurement mode 23 Selection 23 Description 23 Pushbutton functions 23 Measurement channel selection 23 Parameter mode selection 24 Switching the CPG on 24 Switching the CPG off 24 PRG adjustment 24 Parameter mode 25 Selection 25 Parameter groups 25 Switching function pa...

Страница 7: ...nterface rS 35 Computer interface 37 Basics 37 Connection 37 Nomenclature 37 Communication 38 Protocol 38 General string structure 38 Command set mnemonics 39 Command overview 39 RPV read pressure value 40 RVN read version number 41 RSS read set point status 41 SHV set HV on off 41 SKL set key lock on off 42 SAC save actual configuration 42 RSA read serial address 42 SSA set serial address 42 RGP ...

Страница 8: ...23 Full scale adjustment for the PRG gauge head 24 Zero adjustment for the PRG gauge head 25 Behaviour of a switching function in response to pressure changes 30 List of Tables Part numbers 1 Connectable gauge heads 5 Gauge head cables 6 Accessories 6 Switching parameters factory defaults 8 Sensor parameters factory defaults 8 General parameters factory defaults 8 Supplied equipment 13 Display com...

Страница 9: ...01EN Contents Page v 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 ...

Страница 10: ...This page has been intentionally left blank D0300040001EN Contents Page vi ...

Страница 11: ...e of the measurement data between the PGC201 and a computer Operate all connected sensors in agreement with the information given in the corresponding Operating Instructions 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 Do not use the product as intended Modify th...

Страница 12: ...pping package for any external 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 ...

Страница 13: ...ure to observe the instruction could result in injury or death to people CAUTION Cautions are given where failure to observe the instruction could result in damage to the equipment associated equipment and process WARNING Risk of electric shock Note General information pointing to further information respectively reference sections WARNING Do not allow objects or liquids to enter the instrument Co...

Страница 14: ...D0300040001EN Safety Page 4 This page has been intentionally left blank ...

Страница 15: ...ani where the measurement filament is part of a Wheatstone Bridge When the temperature of the filament changes due to pressure changes the bridge becomes unbalanced The quickly responding control circuitry adapts the heating power for the filament so that the filament temperature reaches its nominal level thereby balancing the measurement bridge again The displayed pressure is dependent on the typ...

Страница 16: ... Cable 30 m D03000204 PRG Cable 50 m D03000205 CPG cables CPG Cable 5 m D03000101 CPG Cable 10 m D03000102 CPG Cable 20 m D03000103 CPG Cable 30 m D03000104 CPG Cable 50 m D03000105 Table 4 Accessories Gauge head type Product description Item number PRG spares Replacement sensing cell K D03000209 Replacement sensing cell KCR D03000229 CPG spares Spare cathode plates and discs D03000109 Spare anode...

Страница 17: ...neral data Mechanical data Figure 1 Dimensions mm Dimensions Width 106 4 mm Height 128 4 mm Depth 174 5 mm Weight 1 4 kg Installation depth 230 mm approximately including connected plugs Usage Rack installation Front panel installation Benchtop instrument ...

Страница 18: ...iption PRG setting CPG setting PRG filament material tungsten PRG gas type correction characteristic nitrogen CPG gas type correction factor Switch on type for sensor Switch off type for sensor Table 7 General parameters factory defaults Parameter Parameter description Setting Displayed unit of measurement Analog output Number of displayed digits Display brightness Baud rate Serial interface Tempe...

Страница 19: ...irements Industrial immunity domestic emissions Class B Mains connection Measurement channels PRG measurement channels Voltage 100 to 240 V a c Frequency 50 60 Hz Fuses 2 x T1 6 A H Power consumption 10 W Current consumption 0 2 to 0 1 Amp approximately Over voltage category II Protection category 1 Connection Cold device plug IEC 60320 C14 Number 2 PRG measurement channels 1 CPG measurement chann...

Страница 20: ...10 8 to 1 x 10 2 mbar PRG 5 x 10 3 to 5 x 102 mbar Hysteresis Adjustable 10 of measured value Contact type Changeover contact floating Load resistive Switched current 1 Amp maximum Switched voltage maximum 30 V a c 30 V d c Service life Mechanical 5 x 106 switching cycles Electrical 105 switching cycles at maximum load Connection SUB D 25 way plug Number 3 Assignment 1 per channel Response time 50...

Страница 21: ...1 67 V d c decade 0 V 1 x 10 3 mbar p 10 3 mbar 10 U V 1 67V p 10 1 Pa 10 U V 1 67V p 0 75 x 10 3 Torr 10 U V 1 67V 1 286 V d c decade 1 9 V 5 x 10 4 mbar p 5 x 10 4 mbar 10 U V 1 9V 1 286V p 5 x 10 2 Pa 10 U V 1 9V 1 286V p 3 75 x 10 4 Torr 10 U V 1 9V 1 286V Response time 100 ms approximately Resolution 10 bit Connection SUB D 15 way plug jointly used with connection for external control PLC com...

Страница 22: ... Technical data Page 12 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 ...

Страница 23: ... Figure 2 The equipment supplied includes four neck collar screws and plastic sleeves for this purpose Table 8 Supplied equipment Description Quantity PGC201 1 Mains cord with shockproof plug EU 1 Mains cord with shockproof plug US 1 Operating Instructions 1 Spare fuses 2 Neck collar screws 4 Plastic sleeves 4 Edge protection 2 Adhesive feet 2 WARNING Install the instrument or place it so that you...

Страница 24: ...ack with the neck collar screws and the plastic sleeves supplied with the product Front panel installation For panel mounting of the instrument the following cut out see Figures 3 is required Figure 3 Front panel cut out dimensions mm Guide the PGC201 into the cut out Affix the instrument with the neck collar screws and the plastic sleeves supplied with the product ...

Страница 25: ...f the front panel Stick the two rubber feet supplied with the product onto the bottom of the housing Turn the PGC201 over again and move it to the desired place Figure 4 Preparing the instrument for utilisation as a benchtop unit Connections Rear side of the instrument Figure 5 shows the rear panel of the PGC201 The way in which the individual connections have been wired is described in the follow...

Страница 26: ...lay output WARNING Appliances which have not been professionally connected to Earth can be life threatening in the event of a malfunction For this reason use 3 wire mains cords and extension cords with protective earthing only Insert the mains plug into a mains power socket which provides an Earth contact Note A mains power cord is supplied with the product If the plug on the mains power side is n...

Страница 27: ...n PRG 1 on the rear of the PGC201 PRG 2 connect the gauge head using the corresponding connecting cable to connection PRG 2 on the rear of the PGC201 CPG measurement channel CPG WARNING The vacuum chamber earth should be connected to the PCG201 protective earth terminal on the rear of the instrument WARNING A special cable from Edwards is required for connection to PRG1 and PRG2 The ground connect...

Страница 28: ...he individual measurement channels as well as the inputs for externally controlling the CPG gauge Figure 6 Connection plug for analog output and external control SUB D 15 way Connecting Connect the peripheral components using a shielded connecting cable to the connection Analog Output Extern Control on the rear of the PGC201 CAUTION Gauge heads which have not been designed to be operated in connec...

Страница 29: ... purposes and ready signals Figure 8 Connection plug for relay output SUB D 25 way CAUTION When using the RS232 serial interface use a serial extension cable with a 9 way plug and a 9 way socket The wires in the cable must not be crossed Utilisation of the RS485 requires a special cable WARNING Voltages exceeding 60 V d c or 30 V a c are dangerous when touched You may only switch output voltages o...

Страница 30: ...D0300040001EN Installation Page 20 This page has been intentionally left blank ...

Страница 31: ...2 with two corresponding switching thresholds 3 Display of channel 3 with two corresponding switching thresholds 4 Status indication operating pushbuttons Table 9 Display components Display Description Measured value or status message SP1 SP2 Switching function status When the symbol is lit the pressure is then below the lower threshold When the symbol is not lit then the pressure is above the upp...

Страница 32: ...d to be able to enter data in the parameter mode or switch the CPG gauge head on or off see Switching on and Switching off By operating the pushbuttons a default value can be reduced or increased The corresponding pushbuttons are designated in the following as DOWN and UP Switching on and off Switching on Switch the instrument on at the mains switch After switching on the PGC201 runs the following...

Страница 33: ...ent mode the measured values of the gauge heads are displayed When the pressure is outside the permissible range then a status message is displayed Measurement channels to which no gauge head has been connected will indicate This status message is erased after 30 seconds and 4 dots are displayed Pushbutton functions Figure 10 Operating the pushbuttons Measurement channel selection Press the pushbu...

Страница 34: ...e CPG off The CPG gauge head can be switched off manually For this sensor control must be set to see Sensor switch off type S off Press the pushbutton CH so as to select measurement channel 3 Keep the key marked DOWN pressed for approximately two seconds The CPG gauge head at measurement channel 3 is switched off The display will indicate the status PRG adjustment Ageing and contamination of the s...

Страница 35: ...ng was necessary then repeat the Zero adjustment Parameter mode Selection By pressing the PARA pushbutton for approximately 2 seconds the instrument changes from the measurement mode to the parameter mode The Para indicator comes on for the channel selected in each case When the instrument is running in the parameter mode and if no pushbutton is operated for 10 seconds then the instrument will aut...

Страница 36: ...ment channel Two switching functions are available per measuring channel See Sensor parameters PArA SEn General parameters With the aid of these parameters you can generally configure the instrument The parameters apply to all measurement channels See General parameters PArA GEn Operating concept From the measurement mode you can select and change a certain parameter as follows Press the pushbutto...

Страница 37: ...ving accessed the last parameter of a parameter group the instrument will switch back to the measurement mode Changes to the parameters become effective immediately and are automatically saved to the EEPROM When the instrument is running in the parameter mode and if for a period of 10 seconds no changes are made to the parameters then the instrument will automatically return to the measurement mod...

Страница 38: ...D0300040001EN Operation Page 28 This page has been intentionally left blank ...

Страница 39: ...ower threshold value SP1 Lo SP2 Lo The lower threshold value governs switching on of the assigned switching function When the pressure drops below the lower threshold value then the relay is energised The common contact of the relay is then connected to the normally open contact Upper threshold value SP1 Hi SP2 Hi The upper threshold value governs switching off of the assigned switching function W...

Страница 40: ... is now running the parameter mode in the parameter group Press the pushbutton PARA to select the desired parameter The name and the value of the parameter are displayed Use the arrow pushbuttons to change the threshold value The value of the parameter is changed Repeat the steps to change further parameters of the parameter group Adjustment range The upper and the lower threshold value can be cha...

Страница 41: ...ow keys to change the parameter setting Repeat the steps to change further parameters of the parameter group Filament material PRG Filament material of the connected PRG gauge head Type of gas correction PRG The PRG 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 the other type of gas in each case You m...

Страница 42: ... t on you can define a switch on value When the pressure in the respective measurement channel drops below the switch on value the gauge head is switched on Sensor switch off type This parameter defines how the CPG gauge head is switched off You can set up the switch off type to the following values Manual The gauge head can be switched on by pressing the pushbutton UP see Switching on Externally ...

Страница 43: ...eter setting Repeat the steps to change further parameters of the parameter group Unit of measurement Unit of measurement for pressure values This unit of measurement affects the displayed pressure values threshold values etc 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...

Страница 44: ...ion Unit of measurement mbar Unit of measurement Torr Unit of measurement Pascal Table 15 Values for the parameter Display Description 1 alternate mode see Analog output 2 PGC 201 mode see Analog output Table 16 Values for the parameter Display Description 2 digits for example 2 5 1 3 digits for example 2 47 1 Table 17 Values for the parameter Display Description High brightness Low brightness Tab...

Страница 45: ...s Page 35 Interface Selection of the interface Note Changing the baud rate will only become effective after having restarted the instrument Table 19 Values for the parameter Display Description RS232 Interface RS485 Interface ...

Страница 46: ...D0300040001EN Parameters Page 36 This page has been intentionally left blank ...

Страница 47: ...The following terms and symbolical spellings are used in order to describe the computer interface Square brackets Square brackets mark parameters Sharp brackets Abbreviations in sharp brackets mark control characters The complete term including the sharp brackets is replaced by a numerical value Table 20 Terms computer interface Terms Description Send Data transfer from the host to the instrument ...

Страница 48: ... is always the master The input buffer of the computer must have a capacity of at least 50 bytes General string structure The Address is necessary for RS485 only The response includes the Address for RS485 only Write command Example Address Command Parameter CR Response OK Reading command Example Address Command CR Response Address TAB Parameter CR Error code Response TAB X Incorrect command Respo...

Страница 49: ...nnel SKL Set Key Lock on off Switch the keylock on or off SAC Save Actual Configuration Save the current configuration for switching threshold sensor and general parameters Table 24 Mnemonics for read and write commands Read and write commands Description RSA Read Serial Address Read address for RS485 SSA Set Serial Address Set address for RS485 RGP Read General Parameter Read instrument settings ...

Страница 50: ...values save the current configuration through the SAC write command before restarting the instrument Parameter Description a Channel number 1 Channel 1 PRG 1 2 Channel 2 PRG 2 3 Channel 3 CPG b Status 0 Measured value OK 1 Measured value measurement range 2 Measured value measurement range 3 Measured values measurement range Err Lo 4 Measured values measurement range Err Hi 5 Sensor off S oFF 6 HV...

Страница 51: ...el Example RSS a CR Response b TAB c CR SHV set HV on off Setting HV on off for CPG if switch on and switch off type have been set to manual Example SHV a b CR Response OK CR Parameter Description x xx Version number Parameter Description a Channel number 1 Channel 1 PRG 1 2 Channel 2 PRG 2 3 Channel 3 CPG b Status SP1 0 low 1 high c Status SP2 0 low 1 high Parameter Description a Channel number 3...

Страница 52: ...old sensor and general parameters Example SAC CR Response OK CR RSA read serial address Read address for RS485 Example RSA CR Response a CR SSA set serial address Setting address for RS485 Example SSA a CR Response OK CR Parameter Description a Key lock 0 off 1 on Parameter Description a Address 1 126 01 7E output in the HEX format Parameter Description a Address 1 126 01 7E entry must be in the H...

Страница 53: ...R Response a TAB b TAB c TAB d TAB e TAB f TAB g CR Parameter Description a Unit 0 mbar 1 Pa 2 Torr b Analog output 0 Legacy controller mode 1 PGC 201 default c Number of displayed digits 0 2 1 3 d Brightness 0 hoch 1 gering e Profibus 1 126 f Baud rate 0 9600 1 19200 2 38400 g Serial interface 0 RS232 1 RS485 ...

Страница 54: ...efault X Parameter remains unchanged c Number of displayed digits 0 2 1 3 X Parameter remains unchanged d Brightness 0 hoch 1 gering X Parameter remains unchanged f Baud rate 0 9600 1 19200 2 38400 X Parameter remains unchanged g Serial interface 0 RS232 1 RS485 X Parameter remains unchanged CAUTION Changes to the baud rate address only become effective after having restarted the instrument Before...

Страница 55: ...he type of sensor control for CPG Example RSC a CR Response b TAB c TAB x xxxxE xx TAB x xxxxE xx CR Parameter Description a Channel number 3 Channel 3 CPG b Gas type correction factor channel Format X XX with a range from 0 20 to 8 00 Parameter Description a Channel number 3 Channel 3 CPG b Gas type correction factor channel Format X XX with a range from 0 20 to 8 00 Parameter Description a Chann...

Страница 56: ... unit of measurement x xxxxE xx Switch off value in the current unit of measurement Parameter Description a Channel number 3 Channel 3 CPG b Sensor switch on type channel 0 Manual 1 External 2 n a 3 Through channel 1 PRG 1 4 Through channel 2 PRG 2 c Sensor switch off type channel 0 Manual 1 External 2 Self monitoring 3 Through channel 1 PRG 1 4 Through channel 2 PRG 2 x xxxxE xx Switch on value i...

Страница 57: ...he form of x xxxxE xx d pressure value of the switching threshold in the current unit of measurement in the form of x xxxxE xx e pressure value of the switching threshold in the current unit of measurement in the form of x xxxxE xx Parameter Description a Channel number 1 Channel 1 PRG 1 2 Channel 2 PRG 2 3 Channel 3 CPG b pressure value of the switching threshold in the current unit of measuremen...

Страница 58: ...D0300040001EN Computer interface Page 48 This page has been intentionally left blank ...

Страница 59: ... can be dangerous to life Table 25 Error messages Error display Fault cause and remedy Measurement signal from the gauge head significantly below the permissible range Measurement signal from the gauge head significantly above the permissible range Sensor error Malfunction affecting the connection to the gauge head The message will only be displayed in the display field for the affected measuremen...

Страница 60: ... instrument The two fuses are located in the fuse insert at the mains connector Figure 5 and may be levered out using a small screwdriver 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 ...

Страница 61: ...n accordance with all local and national safety and environmental requirements Alternatively the PGC201 and or cables may be able to be recycled contact Edwards or supplier for advice also see below The PGC201 and associated cables are within the scope of the European Directive on Waste and Electronic Equipment 2012 19 EU Edwards offers customers a recycling service for the product cables associat...

Страница 62: ...D0300040001EN Storing and waste disposal Page 52 This page has been intentionally left blank ...

Страница 63: ...This page has been intentionally left blank ...

Страница 64: ...This page has been intentionally left blank ...

Страница 65: ...h applicable laws governing the shipment of hazardous materials Note Some contaminated equipment may not be suitable for airfreight PROCEDURE 1 Contact Edwards and obtain a Return Authorisation Number for your equipment 2 Complete the Return of Edwards Equipment Declaration HS2 3 If the equipment is contaminated you must contact your transporter to ensure that you properly classify the hazard mark...

Страница 66: ...B s dioxins or sodium azide unless you Decontaminate the equipment Provide proof of decontamination YOU MUST CONTACT EDWARDS FOR ADVICE BEFORE YOU RETURN SUCH EQUIPMENT Print your name _________________________________ Print your job title ____________________________________ Print your organisation ____________________________________________________________________________________ Print your add...

Страница 67: ...This page has been intentionally left blank ...

Страница 68: ...P800 80 000 Issue T edwardsvacuum com ...

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