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D0300041001EN - Operation

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Summary of Contents for PGC202

Page 1: ...edwardsvacuum com PGC202 PASSIVE GAUGE CONTROLLER INSTRUCTION MANUAL Publication number D0300041001EN Issue A Original Instructions ...

Page 2: ... cable 20 m D03000305 IG40 BA EX cable 50 m bakeable D03000204 PRG cable 30 m D03000205 PRG 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 Electrical equipment for mea...

Page 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...

Page 4: ...Copyright notice Edwards Limited 2017 All rights reserved Trademark credits Edwards and the Edwards logo are trademarks of Edwards Limited D0300041001EN Copyright notice ...

Page 5: ...5 Connectable gauge heads 5 Gauge head cables 6 Accessories 6 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 IG measurement channel 10 Measurement 10 Switching functions relay outputs 11 Switching function relay ...

Page 6: ...rface RS232 RS485 19 Relay output 20 Operation 21 Front panel 21 Display 21 Control pushbuttons 22 CH 22 PARA 22 Arrow pushbuttons DOWN UP 22 Switching on and off 22 Switching on 22 Switching off 22 Operating modes 23 Measurement mode 23 Parameter mode 23 Measurement mode 23 Selection 23 Description 23 Pushbutton functions 23 Measurement channel selection 24 Parameter mode selection 24 Switching t...

Page 7: ... Sensor switch off type S off 33 Sensor switch off value t off 33 Sensitivity Setting for IG Gauge Head SEnS 34 General parameters PArA GEn 34 Unit of measurement unit 34 Analog output AnALoG 34 Display format diGit 35 Display brightness bri 35 Baud rate bAud 35 Interface rS 35 Computer interface 37 Basics 37 Connection 37 Nomenclature 37 Communication 38 Protocol 38 General string structure 38 Co...

Page 8: ...nt for utilisation as a benchtop unit 15 Rear panel of the instrument 16 Connection for the IG gauge head Metalock Bantam UTG0187SVDEU 18 Connection plug for analog output and external control SUB D 15 way 19 Interface connection socket SUB D 9 way 19 Connection plug for relay output SUB D 25 way 20 Front panel 21 Operating the pushbuttons 23 Full scale adjustment for the PRG gauge head 25 Zero ad...

Page 9: ...parameter FIL 31 Values for the parameter unit 34 Values for the parameter AnALoG 34 Values for the parameter diGit 35 Values for the parameter bri 35 Values for the parameter bAud 35 Values for the parameter rS 35 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 messag...

Page 10: ...This page has been intentionally left blank D0300041001EN Contents Page vi ...

Page 11: ...operation as well as the exchange of the measurement data between the PGC202 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 t...

Page 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 ...

Page 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...

Page 14: ...D0300041001EN Safety Page 4 This page has been intentionally left blank ...

Page 15: ...asurement 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 type of gas By defa...

Page 16: ...1 10 m D03000202 20 m D03000203 30 m D03000204 50 m D03000205 Bakeable up to 200 C gauge head cables to IG 5 m D03000301 10 m D03000302 50 m D03000305 Table 4 Accessories Gauge head type Product description Item number Pirani PRG spares Replacement sensing cell K D03000209 Replacement sensing cell KCR D03000229 Ion IG spares Spare Cathode IG40 BA D03000309 Spare Cathode IG40 EX D03000319 ...

Page 17: ...neral data Mechanical data Figure 1 Dimensions mm Dimensions Width 106 4 mm Height 128 4 mm Depth 185 0 mm Weight 1 4 kg Installation depth 280 mm approximately including connected plugs Usage Rack installation Front panel installation Benchtop instrument ...

Page 18: ...ament material tungsten Filter factor PRG gas type correction characteristic nitrogen IG gas type correction factor Switch on type for sensor Switch off type for sensor IG40 EX IG40 BA Sensitivity for IG gauge head IG40 EX IG40 BA Table 7 General parameters factory defaults Parameter Parameter description Setting Displayed unit of measurement Analog output Number of displayed digits Display bright...

Page 19: ...d laboratory use EMC requirements 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 60 W Current consumption 1 3 to 0 5 Amp approximately Overvoltage category II Protection category 1 Connection Cold device plug IEC 60320 C14 Number 2 PRG measurement channels...

Page 20: ...ed value 3 x 10 13 mbar Filter time constant 15 7 3 1 slow fast Anode voltage Operation 220 V 220 V Degassing 480 V 480 V Reflector voltage Operation 205 V Cathode voltage Operation 100 V 80 V Degassing 10 V 20 V Emission current Operation 1 6 mA 100 μA 10 mA Degassing 45 mA 90 mA Switching point of emission current 100 μA 10 mA 1 x 10 6 mbar 10 mA 100 μA 1 x 10 5 mbar Cable length up to 50 meters...

Page 21: ...0 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 ms Contact type Normally open 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 switch...

Page 22: ...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 compatible logic level Low 7 V d c 0 Amp High 13 V d c 7 mA at 24 V d c Contact via relay 24 V d c approximately is provided by the instrument via a self resetting fuse 100 mA Connection SUB D 15 way plug jointly used with analog output connection Standa...

Page 23: ...see Figure 2 The equipment supplied includes four neck collar screws and plastic sleeves for this purpose Table 8 Supplied equipment Description Quantity PGC202 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 locate it so the ...

Page 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 Figure 3 is required Figure 3 Front panel cut out dimensions mm Guide the PGC202 into the cut out Affix the instrument with the neck collar screws and the plastic sleeves supplied with the product ...

Page 25: ...f the front panel Stick the two rubber feet supplied with the product onto the bottom of the housing Turn the PGC202 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 PGC202 The way in which the individual connections have been wired is described in the follow...

Page 26: ...xternal control 8 Connection for relay 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 th...

Page 27: ... 2 on the rear of the PGC202 IG measurement channel IG WARNING The vacuum chamber earth should be connected to the PCG202 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 connection see Figure 5 of the special cable must be connected to the ground connection on the rear of the instrument CAUTION Gaug...

Page 28: ...t and external control analog output extern control The Analog Output Extern Control connection Figures 5 and 7 provides the connections of the analog outputs for the signals of the individual measurement channels as well as the inputs for externally controlling the IG gauge WARNING If during operation the IG suffers a malfunction then a live voltage may be present at the gauge head measurement si...

Page 29: ...permits operation of the instrument via a computer or a terminal Figure 8 Interface connection socket SUB D 9 way Connecting Connect the serial interface of the computer using a shielded cable to the connection RS232 RS485 on the rear of the PGC202 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 cros...

Page 30: ...gnals Figure 9 Connection plug for relay output SUB D 25 way WARNING Voltages exceeding 60 V d c or 30 V a c are dangerous when touched The operator may only switch output voltages of up to 30 V d c or 30 V a c with a maximum current of 1 Amp at the connector marked Relay Output The voltage must comply with the requirements of a safety extra low voltage SELV E in accordance with EN 61010 ...

Page 31: ...ay of channel 3 with two corresponding switching thresholds 4 Operating pushbuttons Table 9 Display components Display Description Measured value or status message When the measured value readout for measurement channel 3 flashes then the degassing function for the IG gauge head is active SP1 SP2 Switching function status When the symbol is lit the pressure is then below the lower threshold When t...

Page 32: ...row pushbuttons DOWN UP The arrow pushbuttons are needed to be able to enter data in the parameter mode or switch the IG 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 s...

Page 33: ...de and when not operating a key for 10 seconds the instrument will then automatically revert back to the measurement mode Description In the measurement 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 era...

Page 34: ...he measured value or a status message will be displayed Table 10 Function Degas The IG gauge head can be cleaned by running the function Degas For this the gauge head must be switched on see Switching on and the measured pressure must be below 5 x 10 5 mbar Press the pushbutton CH to select measurement channel 3 Keep the key marked UP pressed for approximately two seconds The function Degas at mea...

Page 35: ...table but also precise 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 Figur...

Page 36: ... was selected in each case is turned off Parameter groups In the parameter mode the operator has access to different parameters The operator may view these parameters or change these with the aid of the arrow pushbuttons In this way the instrument can be configured Table 11 shows all available parameters The available parameters have been divided into the following parameter sets Switching functio...

Page 37: ...r menu has now been invoked Use the arrow pushbuttons to select the desired parameter group The name of the parameter group is displayed Press the PARA pushbutton to select the desired parameter The name and the value of the parameter are displayed Use the arrow pushbuttons to change the value of the parameter The value of the parameter is changed Repeat the last 2 steps to change further paramete...

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Page 39: ...eshold 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 When the ...

Page 40: ...ter 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 changed depending on the type of sensor in the rang...

Page 41: ...G Filament material of the connected PRG gauge head Measured Value Filter The measured value filter allows for improved evaluation of noisy signals or signals suffering interference This filter is applied to the readout on the display and to the switching functions However the analogue outputs are not influenced by this filter The measured value filter can be set to values of 1 3 7 or 15 where 1 r...

Page 42: ...ad can be set up in the range of 0 2 1 0 8 0 A setting of 1 0 returns the uncorrected value Sensor switch on type This parameter defines how the IG gauge head is switched on The switch on time can be set to the following values Manual The gauge head can be switched on by pressing the pushbutton UP see Switching on Externally through optocoupler PLC compatible high level 13 V d c 7 mA at 24 V d c W...

Page 43: ...ad is switched off The switch off type can be set up to the following values Sensor switch off value This parameter will only appear when the sensor switch off type has been set to or see Sensor switch off type S off Through the parameter a switch off value can be defined When the pressure in the respective measurement channel exceeds the switch off value the gauge head is switched off Manual The ...

Page 44: ...pproximately 2 seconds The instrument is now in the parameter mode Use the arrow pushbuttons to access 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 parameter setting Repeat the steps to change further parameters of the parameter group Unit of measurement Unit of measuremen...

Page 45: ...2 digits for example 2 5 1 3 2 digits for example 2 47 1 Table 17 Values for the parameter Display Description High brightness Low brightness Table 18 Values for the parameter Display Description 9 6 Baud rate 9600 baud 19 2 Baud rate 19200 baud 38 4 Baud rate 38400 baud Note Changing the baud rate will only become effective after having restarted the instrument Table 19 Values for the parameter D...

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Page 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 ...

Page 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...

Page 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 ...

Page 50: ... set all 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 IG b Status 0 Measured value OK 1 Measured value measurement range 2 Measured value measurement range 3 Measured values measurement range 4 Measured values measurement range 5 Sensor off 6 HV on 7 Sensor...

Page 51: ...nel Example RSS a CR Response b TAB c CR SHV Set HV on off Setting HV on off for IG 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 IG b Status SP1 0 low 1 high c Status SP2 0 low 1 high Parameter Description a Channel number 3 ...

Page 52: ...K CR SAC Save Actual Configuration Saving current configuration for switching threshold sensor and general parameters Example SAC CR Response OK CR RSA Read Serial Address Read address for RS485 Example RSA CR Response a CR Parameter Description a Channel number 1 Channel 3 IG b Degas on off 0 off 1 on Parameter Description a Key lock 0 off 1 on Parameter Description a Address 1 126 01 7E output i...

Page 53: ...Example RGP CR Response a TAB b TAB c TAB d TAB e TAB f TAB g CR Parameter Description a Address 1 126 01 7E entry must be in the HEX format Parameter Description a Unit 0 mbar 1 Pa 2 Torr b Analog output 0 Legacy controller mode 1 PGC202 default c Number of displayed digits 0 2 1 3 d Brightness 0 high 1 low f Baud rate 0 9600 1 19200 2 38400 g Serial interface 0 RS232 1 RS485 ...

Page 54: ...default X Parameter remains unchanged c Number of displayed digits 0 2 1 3 X Parameter remains unchanged d Brightness 0 high 1 low 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 r...

Page 55: ... the type of sensor control for IG 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 IG 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 IG b Gas type correction factor channel Format X XX with a range from 0 20 to 8 00 Parameter Description a Channe...

Page 56: ... unit of measurement x xxxxE xx Switch off value in the current unit of measurement Parameter Description a Channel number 3 Channel 3 IG 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 in...

Page 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 IG b pressure value of the switching threshold in the current unit of measurement...

Page 58: ...D0300041001EN Computer interface Page 48 This page has been intentionally left blank ...

Page 59: ...ly 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 measurement channel Acknowledge by pressing any key Pressure Error Shutdown of the IG gauge head by a pressure value which is much too high Acknowl...

Page 60: ... have attempted repair work on the PGC202 Emission current error Emission current over maximum Acknowledge by pressing any key Filament current error Emission current under minimum or filament of the IG vacuum gauge head is defective Acknowledge by pressing any key Filament current error Filament current over maximum Acknowledge by pressing any key No gauge head connected to the measurement channe...

Page 61: ...ccordance with all local and national safety and environmental requirements Alternatively the PGC202 and or cables may be able to be recycled contact Edwards or supplier for advice also see below The PGC202 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 associated ...

Page 62: ...D0300041001EN Storing and waste disposal Page 52 This page has been intentionally left blank ...

Page 63: ...n of Vacuum equipment and Components Procedure HS1 If you are returning a vacuum pump note the following If a pump is configured to suit the application make a record of the configuration before returning the pump All replacement pumps will be supplied with default factory settings Do not return a pump with accessories fitted Remove all accessories and retain them for future use The instruction in...

Page 64: ...P800 80 000 Issue T edwardsvacuum com ...

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