Pfeiffer Vacuum DualGauge TPG 262 Operating Instructions Manual
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Pfeiffer Vacuum DualGauge TPG 262 Operating Instructions Manual

Dual-channel measurement and control unit for compact gauges
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Operating Instructions
Incl. Declaration of Conformity
DualGauge™
Dual-Channel Measurement and
Control Unit for Compact Gauges
TPG 262
VACUUM
1
BG 805 196 BE / B
(2004-08)

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Summary of Contents for Pfeiffer Vacuum DualGauge TPG 262

  • Page 1 Operating Instructions Incl. Declaration of Conformity DualGauge™ Dual-Channel Measurement and Control Unit for Compact Gauges TPG 262 VACUUM BG 805 196 BE / B (2004-08)

  • Page 2: Product Identification

    Product Identification In all communications with Pfeiffer Vacuum, please specify the information on the product nameplate. For convenient reference copy that information into the space provided below. Pfeiffer Vacuum, D-35614 Asslar Typ: F-No: Validity This document applies to products with part number PTG28280.

  • Page 3: Intended Use

    Intended Use The TPG 262 is used together with Pfeiffer Vacuum Compact Gauges (in this document referred to as gauges) for total pressure measurement. All products must be operated in accordance with their respective Operating Instructions. Scope of Delivery The scope of delivery consists of following parts:...

  • Page 4: Table Of Contents

    Contents Product Identification Validity Intended Use Scope of Delivery Trademarks 1 Safety 1.1 Symbols Used 1.2 Personnel Qualifications 1.3 General Safety Instructions 1.4 Liability and Warranty 2 Technical Data 3 Installation 3.1 Personnel 3.2 Installation, Setup 3.2.1 Rack Installation 3.2.2 Installation in a Control Panel 3.2.3 Use as Desk-Top Unit...
  • Page 5 5 Communication (Serial Interface) 5.1 RS232C Interface 5.1.1 Data Transmission 5.1.2 Communication Protocol 5.2 Mnemonics 5.2.1 Measurement Mode 5.2.2 Parameter Mode 5.2.2.1 Switching Function Parameters 5.2.2.2 Gauge Parameters 5.2.2.3 Gauge Control 5.2.2.4 General Parameters 5.2.2.5 Test Parameters 5.2.3 Example 6 Maintenance 7 Troubleshooting 8 Repair 9 Storage...

  • Page 6: Safety

    1 Safety 1.1 Symbols Used Symbols for residual DANGER risks Information on preventing any kind of physical injury. WARNING Information on preventing extensive equipment and environmental damage. Caution Information on correct handling or use. Disregard can lead to malfunctions or minor equipment damage. Further symbols The lamp/display is lit.

  • Page 7: Personnel Qualifications

    1.2 Personnel Qualifications Skilled personnel All work described in this document may only be car- ried out by persons who have suitable technical train- ing and the necessary experience or who have been instructed by the end-user of the product. 1.3 General Safety Adhere to the applicable regulations and take the nec- essary precautions for all work you are going to do and...

  • Page 8: Liability And Warranty

    1.4 Liability and Pfeiffer Vacuum assumes no liability and the warranty becomes null and void if the end-user or third parties Warranty • disregard the information in this document • use the product in a non-conforming manner • make any kind of interventions (modifications, altera- tions etc.) on the product...

  • Page 9: Technical Data

    2 Technical Data Voltage 90 … 250 VAC Mains specifications Frequency 50 … 60 Hz ≤ Power consumption 45 W Overvoltage category Protection class Connection European appliance connec- tor IEC 320 C14 Temperature Ambiance storage –20 … +65 °C operation + 5 …...
  • Page 10 ± Voltage +24 VDC Gauge supply Current 750 mA Power 18 W Fuse protection 900 mA with PTC element, self-resetting after turning the TPG 262 off or disconnecting the gauge. The supply con- forms to the requirements of a grounded protective extra low voltage (SELV-E according to EN 61010).
  • Page 11 Number 4 (user-assignable) Switching functions ≤20 ms if switching threshold Reaction delay close to measurement value (for larger differences con- sider filter time constant). Adjustment range depending on gauge (→ [1] … [14]) ≥1% F.S. for linear gauges, Hysteresis ≥10% of measurement value for logarithmic gauges Contact type floating changeover contact...
  • Page 12 Gauge control Automatic ON setpoint adjustable (→ OFF setpoint adjustable (→ Manual via keys activation/deactivation (→ 28, 49, 51) External via control connector signal ≤ +0.8 VDC ON condition OFF condition signal +2.0 … 5 VDC or input open Hotstart when mains power on (→...
  • Page 13 Dimensions [mm] ≈ 310 70.8 68.1 55.9 228.5 ø3.5 VACUUM For incorporation into a rack or control panel or as desk- top unit. Weight 1.06 kg BG 805 196 BE / B (2004-08) TPG262.oi...

  • Page 14: Installation

    3 Installation 3.1 Personnel Skilled personnel The unit may only be installed by persons who have suitable technical training and the necessary experience. The TPG 262 is suited for incorporation into a 19" rack 3.2 Installation, Setup or a control panel or for use as desk-top unit. DANGER Caution: damaged product Putting a damaged product into operation can...
  • Page 15 Guide rail In order to reduce the mechanical strain on the front panel of the TPG 262, preferably equip the rack chassis adapter with a guide rail. Slide rails For safe and easy installation of heavy rack chassis adapters, preferably equip the rack frame with slide rails. BG 805 196 BE / B (2004-08) TPG262.oi...
  • Page 16 Height 3 U rack Secure the rack adapter in the rack frame. chassis adapter The admissible maximum ambient tem- perature (→ 9) must not be exceeded neither the air circulation obstructed. Rack chassis adapter Height 3 U Slide the TPG 262 into the rack chassis adapter … …...

  • Page 17: Installation In A Control Panel

    3.2.2 Installation in a DANGER Control Panel Caution: protection class of the control panel If the product is installed in a control panel, it is likely to lower the protection class of the control panel (protection against foreign bodies and water) e.g. according to the EN 60204-1 regulations for switching cabi- nets.

  • Page 18: Use As Desk-Top Unit

    Slide the TPG 262 into the cut-out of the control panel … … and secure it with four M3 or equivalent screws. 3.2.3 Use as Desk-Top The TPG 262 is also suited for use as desk-top unit. For this purpose, two self-adhesive rubber feet as well as a Unit slip-on rubber bar are supplied with it.

  • Page 19: Mains Power Connector

    Select a location where the admissible maxi- mum ambient temperature (→ 9) is not ex- ceeded (e.g. due to sun irradiation). 3.3 Mains Power DANGER Connector Caution: line voltage Incorrectly grounded products can be ex- tremely hazardous in the event of a fault. Use only a 3-conductor power cable with protective ground.

  • Page 20: Gauge Connectors Sensor 1, Sensor

    Do not unfasten this screw (internal ground protection) 3.4 Gauge Connectors For each measurement channel, there is a female appli- ance connector on the rear of the unit. sensor 1, sensor 2 Connect the gauge to the sensor connector via →...

  • Page 21: Control Connector

    3.5 control Connector This connector allows to read the measuring signal, to evaluate the state of the floating contacts of the error relay, and to activate or deactivate the gauges (→ 47). Connect the peripheral components to the control connector on the rear of the unit using your own, screened (electromagnetic compati- bility) cable.

  • Page 22: Relay Connector

    3.6 relay Connector This connector allows to use the floating switching con- tacts for an external control system. Connect the peripheral components to the relay connector on the rear of the unit using your own, screened (electromagnetic compatibility) cable. Pin assignment Contact positions relay Pin assignment of...

  • Page 23: Interface Connector Rs232

    3.7 Interface Connector The RS232C interface allows for operating the TPG 262 via a HOST or terminal (→ 68). It can also be used for RS232 updating the firmware (→ 99). Connect the serial interface to the RS232 con- nector on the rear of the unit using your own, screened (electromagnetic compatibility) cable.

  • Page 24: Operation

    4 Operation 4.1 Front Panel Measurement value in floating point or exponential format or status messages Parameter mode activated VACUUM Measurement Warning/error unit (flashing) Operator keys Switching function status Offset value ≠ 0 Correction factor ≠ 1 Degas activated Gauge activated Active measurement channel BG 805 196 BE / B (2004-08)

  • Page 25: Turning The Tpg 262 On And Off

    4.2 Turning the Make sure the TPG 262 is correctly installed and the specifications in the Technical Data are met. TPG 262 On and Off Turning the TPG 262 The power switch is on the rear of the unit. Turn the TPG 262 on with the power switch (or cen- trally, via a switched power distributor, if the unit is in-...

  • Page 26: Operating Modes

    4.3 Operating Modes The TPG 262 works in the following operating modes: • Measurement mode for displaying measurement values or statuses (→ • Parameter mode for displaying or editing parameters (→ − Switching function parameter group for entering or displaying thresholds (→ −...

  • Page 27: Measurement Mode

    4.4 Measurement mode The Measurement mode is the standard operating mode of the TPG 262. Measurement values and statuses as well as the gauge identification are displayed in this mode. Measurement mode Parameter depending mode on history Measurement value Status Gauge identification Power on Measurement value...
  • Page 28 Selecting a measure- Channel 1 ment channel is activated Channel 2 is activated Turning a gauge on Certain gauges can be turned on and off manually, if the and off gauge control is set to (→ 51). Available for: Pirani Gauge (TPR) Pirani Capacitance Gauge (PCR)
  • Page 29 BG 805 196 BE / B (2004-08) TPG262.oi...
  • Page 30 Displaying the gauge Press keys >0.5 s: identification The type of the connected gauges is automatically iden- tified and displayed for 4 s (2 s per channel): Pirani Gauge (TPR 261, TPR 265, TPR 280, TPR 281) Pirani Capacitance Gauge (PCR 260) Cold Cathode Gauge (IKR251, IKR261)

  • Page 31: Parameter Mode

    4.5 Parameter Mode The Parameter mode is used for displaying, editing and entering parameter values as well as for testing the TPG 262. For ease of operation, the parameters are di- vided into groups. Measurement Parameter mode mode Switching function parameters depending on history Gauge parameters...
  • Page 32 Selecting a parameter Switching function parame- ters → group Gauge parameters → Gauge control → General parameters → Test parameters → Selecting a parameter in a parameter group Editing a parameter in Modifications of parameters come into effect immedi- a parameters group ately and are stored automatically.

  • Page 33: Switching Function Parameters

    4.5.1 Switching The switching function parameter Function group (setpoint parameters) is used for displaying, entering and Parameters editing threshold values and as- signing the four switching func- tions to a measurement channel. Parameter mode depending on history Switching function 1 lower threshold Switching function 1 upper threshold >10 s Switching function 2 lower threshold...
  • Page 34 The TPG 262 has four switching functions with two ad- justable thresholds each. The status of the switching function is displayed on the front panel (→ 24, 21) and can be evaluated via the floating contacts at the Control connector. Time t Selecting a parameter The name of the parameter,...
  • Page 35 Editing the threshold Press key <1 s: value The value is increased/ decreased by 1 increment. Press key >1 s: The value is increased/ decreased continuously. Value Limits of the lower switching thresholds The lower switching threshold (Setpoint low) defines the pres- sure at which the switching func- tion is activated when the pres- sure is dropping.
  • Page 36 The minimum hysteresis between the upper and lower switching threshold is at least 10% of the lower threshold or 1% of the set full scale value. If the value of the minimum hysteresis drops below these values, the upper threshold is automatically adjusted to a minimum hystere- sis.
  • Page 37 The minimum hysteresis between the upper and lower switching threshold is at least 10% of the lower threshold or 1% of the set full scale value. If the value of the minimum hysteresis drops below these values, the upper threshold is automatically adjusted to a minimum hystere- sis.

  • Page 38: Gauge Parameters

    4.5.2 Gauge Parameters The Gauge parameter group (sensor parameters) is used for displaying, entering and editing parameters of the connected gauges. Parameter mode depending on history Filter time constant Calibration factor Measurement range Offset >10 s Penning Underrange Control Degas BG 805 196 BE / B (2004-08) TPG262.oi...
  • Page 39 Selecting a parameter The name of the parameter, e.g.: Filter time constant is displayed as long as the key is pressed or at least for 1.5 s. Afterwards, the currently valid threshold value is dis- played. Some parameters are not available for all gauges and thus not always displayed.
  • Page 40 Value Fast: The TPG 262 responds quickly to fluctuations of the measure- ment value. As a result, it will respond faster to interference in the measured values. Pressure p Time t Normal: Good relationship between re- sponse and sensitivity of the display and the switching func- tion to changes in the meas- ured values.
  • Page 41 The value is increased/ decreased by the defined in- crements. Calibration factor The calibration factor allows the measured value to be calibrated for other gases than N (→ characteristic curves in [1] … [12]). Available for: Pirani Gauge (TPR) Pirani Capacitance Gauge (PCR) Cold Cathode Gauge (IKR)
  • Page 42 Press key <1 s: The value is increased/ decreased by 1 increment. Press key >1 s: The value is increased/ decreased continuously. Measurement range For linear gauges, the full scale (F.S.) value has to be (F.S.) of linear defined according to the connected gauge type. For gauges logarithmic gauges it is automatically recognized.
  • Page 43 Offset correction The offset value is displayed and readjusted according to the actual measurement value (in the range of … +110% of the set full scale value). Available for: Pirani Gauge (TPR) Pirani Capacitance Gauge (PCR) Cold Cathode Gauge (IKR) FullRange™...
  • Page 44 Underrange control Behavior in the event of an underrange with Cold Cath- ode Gauges (Penning underrange control). Available for: Pirani Gauge (TPR) Pirani Capacitance Gauge (PCR) Cold Cathode Gauge (IKR) FullRange™ CC Gauge (PKR) Process Ion Gauge (IMR) FullRange™ BA Gauge (PBR) Capacitance Gauge (CMR)
  • Page 45 Activate/deactivate the underrange control. If chances are that the pressure in the vacuum system drops below the measurement range of the gauge, it is advisable to select is selected, the evaluation of the switching function is suppressed for approx. 10 seconds when the gauge is turned on and each time after an underrange has occurred.
  • Page 46 Degas Contamination deposits on the electrode system of hot cathode gauges may cause instabilities of the measure- ment values. The Degas function allows to clean the electrode system. Available for: Pirani Gauge (TPR) Pirani Capacitance Gauge (PCR) Cold Cathode Gauge (IKR) FullRange™...

  • Page 47: Gauge Control

    4.5.3 Gauge Control The Gauge control group (control parameters) is used for display- ing, entering and editing parame- ters which define how the con- nected gauges are activated/ de- activated. If the connected gauges cannot be controlled (→ 49), this group is not available.
  • Page 48 Selecting a parameter The name of the parameter, e.g.: Gauge activation is displayed as long as the key is pressed or at least for 1.5 s. Afterwards, the currently valid threshold value is dis- played. Some parameters are not available for all gauges and thus not always displayed.
  • Page 49 Gauge activation Certain gauges can be activated by different means. The following gauges can be controlled: Pirani Gauge (TPR) Pirani Capacitance Gauge (PCR) Cold Cathode Gauge (IKR) FullRange™ CC Gauge (PKR) Process Ion Gauge (IMR) FullRange™ BA Gauge (PBR) Capacitance Gauge (CMR) Piezo Gauge (APR)
  • Page 50 Increase/decrease the value by the defined increments. ON threshold Definition of the ON threshold for the gauge to be acti- vated by a gauge connected to the other measurement channel. Available for: Pirani Gauge (TPR) Pirani Capacitance Gauge (PCR) Cold Cathode Gauge (IKR) FullRange™...
  • Page 51 Press key <1 s: The value is increased/ decreased by 1 increment. Press key >1 s: The value is increased/ decreased continuously. Gauge deactivation Certain gauges can be deactivated by different means. The following gauges can be controlled: Pirani Gauge (TPR) Pirani Capacitance Gauge (PCR)
  • Page 52 connector (→ 21). Additionally for Cold Cathode Gauge: Self control: The gauge deactivates itself when the pressure rises (→ 52). Increase/decrease the value by the defined increments. OFF threshold Definition of the OFF threshold for the gauge to be de- activated by a gauge connected to the other measure- ment channel or by itself.
  • Page 53 CMR, APR F.S.=1 F.S.=10 F.S.=100 …10 …10 …10 — — …1 …1 …1 …1 …1 …1 …1 …1 …1 …1 all values in mbar, CAL=1 must be ≥ Value Press key <1 s: The value is increased/ decreased by 1 increment. Press key >1 s: The value is increased/ decreased continuously.

  • Page 54: General Parameters

    4.5.4 General The General parameters group Parameters (general parameters) is used for displaying, entering and editing generally applicable system para- meters. Parameter mode depending on history Measurement unit Transmission rate Display resolution >10 s Default settings Display changeover BG 805 196 BE / B (2004-08) TPG262.oi...
  • Page 55 Selecting a parameter The name of the parameter, e.g.: Measurement unit is displayed as long as the key is pressed or at least for 1.5 s. Afterwards, the currently valid threshold value is dis- played. The parameters are available for all gauge types and thus always displayed.
  • Page 56 Measurement unit Unit of measured values, thresholds etc. See Appendix (→ 97) for conversion. Value mbar/bar Torr (only available if Torr lock is not activated i.e. Torr is not sup- pressed → 63) Pascal Transmission rate Transmission rate of the RS232C interface. Value 9600 baud 19200 baud...
  • Page 57 Default values All user parameter settings are replaced by the factory settings. Loading of the default parameter settings is ir- reversible. Value The default values are loaded (→ 98). Display changeover Definition of the measurement display behavior when a Pirani gauge or a Pirani Capacitance Gauge is com- bined with a linear gauge with F.S.

  • Page 58: Test Parameters

    4.5.5 Test Parameters The Test parameter group is used for displaying the firmware ver- sion, entering and editing special parameter values, and for running test programs. This group is only avail- able if the key was pressed while the TPG 262 was turned on. Parameter mode depending on history...
  • Page 59 Selecting a parameter The name of the parameter, e.g.: Firmware version is displayed. The parameters are available for all gauge types and thus always displayed. → The name of the parameter is dis- played as long as the key is pressed or at least for 1.5 s.
  • Page 60 The last character indicates the modifi- cation index (-, A … Z). Please mention this index when contacting Pfeiffer Vacuum in the event of a prob- lem. BG 805 196 BE / B (2004-08) TPG262.oi...
  • Page 61 Watchdog control Behavior of the system control (watchdog) in the event of an error. Setting The system automatically ac- knowledges error messages of the watchdog after 2 s. Error messages of the watch- dog have to be acknowledged by the operator. Torr lock The measurement unit can be suppressed in the...
  • Page 62 Test finished, error(s) found. lamp flashes. If the error message persists after several test sequences have been run, please contact your local Pfeiffer Vacuum service center. EPROM test Test of the program memory. Test sequence The test runs automatically one...
  • Page 63 Test finished, no error found. Test finished, error(s) found. lamp flashes. If the error message persists after several test sequences have been run, please contact your local Pfeiffer Vacuum service center. Display test Test of the display. Test sequence The test runs automati-...
  • Page 64 A/D converter test 0 Test of channel 0 of the analog/digital converter (with a reference voltage at the signal input of the sensor con- nector (→ 20)). If the signal input is open, the TPG 262 dis- plays a default value that may easily fluctuate because of the high sensitivity of the open measurement circuit.
  • Page 65 Test sequence Gauge identification voltage e.g.: No gauge connected A/D converter test 3 Test of channel 3 of the analog/digital converter (with a reference voltage at the identification input of the sensor connector (→ 20)). If the signal input is open, the TPG 262 dis- plays a default value that may easily fluctuate because of the high sensitivity of the open measurement circuit.
  • Page 66 The relays switch on and off cyclically. The switching operations are indicated optically and can be heard. The contacts of switching functions 1 … 4 are connected to the relay connector (→ 22), the contacts of the error relay to the control connector (→ 21) on the rear of the housing.
  • Page 67 RS232C test Test of the RS232C interface. The TPG 262 repeats each sign transmitted by the communicating HOST. The data transferred from/to the TPG 262 can be displayed by the computer only (→ 68). Test sequence The test runs automatically. BG 805 196 BE / B (2004-08) TPG262.oi...

  • Page 68: Communication (Serial Interface)

    5 Communication (Serial Interface) 5.1 RS232C Interface The serial interface is used for communication between the TPG 26x and a computer. A terminal can be con- nected for test purposes. When the TPG 26x is put into operation, it starts trans- mitting measured values in intervals of 1 s.
  • Page 69 Definitions The following abbreviations and symbols are used: Symbol Meaning HOST Computer or terminal [...] Optional elements ASCII American Standard Code for Information Interchange Dec. Hex. <ETX> END OF TEXT (CTRL C) Reset the interface <CR> CARRIAGE RETURN Go to beginning of line <LF>...

  • Page 70: Communication Protocol

    5.1.2 Communication Protocol Transmission format Messages are transmitted to the TPG 26x as ASCII strings in the form of mnemonic operating codes and parameters. All mnemonics comprise three ASCII char- acters. Spaces are ignored. <ETX> (CTRL C) clears the input buffer in the TPG 26x.
  • Page 71 Reception protocol HOST TPG 26x Explanation Mnemonics Receives message > [and parameters] with "end of mes- > sage" <CR>[<LF>] < <ACK><CR><LF> Positive acknowledg- ment of a received message > Requests to transmit <ENQ> data < Measurement values Transmits data with "end of message"...

  • Page 72: Mnemonics

    5.2 Mnemonics → A/D converter test Baud rate (transmission rate) Continuous mode Calibration factor Display control digits (display resolution) Degas Display control (display changeover) Display test EEPROM test EPROM test Error status Filter time constant (measurement value filter) Full scale range (measurement range of linear gauges) I/O test Keylock Offset correction (linear gauges)

  • Page 73: Measurement Mode

    5.2.1 Measurement Mode Measurement data Transmit: <CR>[<LF>] gauge 1 or 2 Measurement value x = 1 –> Gauge 1 2 –> Gauge 2 Receive: <ACK><CR><LF> Transmit: <ENQ> Receive: x,sx.xxxxEsxx <CR><LF> Measurement value [in current pressure unit] Status, x = 0 –> Measurement data okay 1 –>...
  • Page 74 Measurement data Transmit: <CR>[<LF>] gauges 1 and 2 Receive: <ACK><CR><LF> Transmit: <ENQ> Receive: x,sx.xxxxEsxx,y,sy.yyyyEsyy <CR><LF> Measurement value gauge 2 [in current pressure unit] Status gauge 2 Measurement value gauge 1 [in current pressure unit] Status gauge 1, x = 0 –> Measurement data okay 1 –>...
  • Page 75 Continuous output of Transmit: [,x] <CR>[<LF>] measurement values (RS232) Mode x = 0 –> 100 ms 1 –> 1 s (default) 2 –> 1 min. Receive: <ACK><CR><LF> <ACK> is immediately followed by the con- tinuous output of the measurement value in the desired interval.
  • Page 76 Turning a gauge Transmit: [,x,x] <CR>[<LF>] on/off Gauge 2, x = 0 –> No status change 1 –> Turn gauge off 2 –> Turn gauge on Gauge 1 Receive: <ACK><CR><LF> Transmit: <ENQ> Receive: x,x <CR><LF> Status gauge 2, x = 0 –>...
  • Page 77 Measurement Transmit: [,x] <CR>[<LF>] channel change Display channel, x = 0 –> Gauge 1 1 –> Gauge 2 Receive: <ACK><CR><LF> Transmit: <ENQ> Receive: x <CR><LF> Display channel Error status Transmit: <CR>[<LF>] Receive: <ACK><CR><LF> Transmit: <ENQ> Receive: xxxx <CR><LF> xxxx = 0000 –>...
  • Page 78 Reset Transmit: [,x] <CR>[<LF>] x = 1 –> Cancels currently active error and returns to measurement mode Receive: <ACK><CR><LF> Transmit: <ENQ> Receive: [x]x,[x]x,... <CR><LF> List of all present error messages, xx = 0 –> No error 1 –> Watchdog has responded 2 –>...

  • Page 79: Parameter Mode

    5.2.2 Parameter Mode 5.2.2.1 Switching Function Parameters Threshold value Transmit: [,y,x.xxxxEsxx,x.xxxxEsxx] <CR>[<LF>] setting, allocation Upper threshold [in current pressure unit] (default = depending on gauge) Lower threshold [in current pressure unit] (default = depending on gauge) Switching function assignment, y = 0 –>...

  • Page 80: Gauge Parameters

    Switching function Transmit: <CR>[<LF>] status Receive: <ACK><CR><LF> Transmit: <ENQ> Receive: x,x,x,x <CR><LF> Status switching function 4 Status switching function 3 Status switching function 2 Status switching function 1 0 –> off 1 –> on 5.2.2.2 Gauge Parameters Measurement value Transmit: [,x,x] <CR>[<LF>] filter Gauge 2 x = 0 –>...
  • Page 81 Calibration factor Transmit: [,x.xxx,x.xxx] <CR>[<LF>] ( Gauge 2 log. 0.100 ... 9.990 (default = 1.000) lin. 0.500 ... 2.000 (default = 1.000) Gauge 1 Receive: <ACK><CR><LF> Transmit: <ENQ> Receive: x.xxx,x.xxx <CR><LF> Calibration factor gauge 2 Calibration factor gauge 1 Measurement range The full scale value of the measurement range (F.S.) of (Full Scale) of linear gauges has to be defined...
  • Page 82 Offset correction Transmit: [,x,x] <CR>[<LF>] ( (linear gauges) Gauge 2, x = 0 –> off (default) 1 –> on 2 –> auto (offset measurement) Gauge 1 Receive: <ACK><CR><LF> Transmit: <ENQ> Receive: x,x <CR><LF> Gauge 2 Gauge 1 Offset display Transmit: [,sx.xxxxEsxx,sx.xxxxEsxx] <CR>[<LF>] (linear gauges) Gauge 2 Offset...
  • Page 83 Underrange control Transmit: [,x,x] <CR>[<LF>] Gauge 2, x = 0 –> off (default) 1 –> on Gauge 1 Receive: <ACK><CR><LF> Transmit: <ENQ> Receive: x,x <CR><LF> Gauge 2 Gauge 1 Degas Transmit: [,x,x] <CR>[<LF>] ( Gauge 2, x = 0 –> Degas off (default) 1 –>...

  • Page 84: Gauge Control

    5.2.2.3 Gauge Control Gauge control Transmit: [,x,y,x.xxEsxx,y.yyEsyy] <CR>[<LF>] OFF threshold ON threshold Controlling source for gauge deactivation, x = 0 –> no control 1 –> automatic deactivation 2 –> manual deactivation (default) 3 –> external deactivation 4 –> self control Controlling source for gauge activation, x = 0 –>...

  • Page 85: General Parameters

    5.2.2.4 General Parameters Pressure unit Transmit: [,x] <CR>[<LF>] Pressure unit, x = 0 –> mbar/bar (default) 1 –> Torr 2 –> Pascal Receive: <ACK><CR><LF> Transmit: <ENQ> Receive: x <CR><LF> Pressure unit Transmission rate Transmit: [,x] <CR>[<LF>] Transmission rate, x = 0 –>...

  • Page 86: Test Parameters

    Save parameters to Transmit: [,x] <CR>[<LF>] EEPROM x = 0 –> Save default parameters 1 –> Save user parameters Receive: <ACK><CR><LF> Display changeover Transmit: [,x] <CR>[<LF>] Measurement display behavior when a Pirani gauge or a Pirani Capacitance gauge is combined with a linear gauge with 1000 mbar F.S., x = 0 –>manual (default)
  • Page 87 Watchdog control Transmit: [,x] <CR>[<LF>] x = 0 –> Manual error acknowledgement 1 –> Automatic error acknowledgement (default) If the watchdog has responded, the error is automatically acknowledged and cancelled af- ter 2 s. Receive: <ACK><CR><LF> Transmit: <ENQ> Receive: x <CR><LF> Watchdog control Torr lock Transmit:...
  • Page 88 RAM test Transmit: <CR>[<LF>] Receive: <ACK><CR><LF> Transmit: <ENQ> Starts the test (duration <1 s) Receive: xxxx <CR><LF> ERROR word EPROM test Transmit: <CR>[<LF>] Receive: <ACK><CR><LF> Starts the test (duration ≈5 s) Transmit: <ENQ> Receive: xxxx,yyyy <CR><LF> Check sum (hex) ERROR word EEPROM test Transmit: <CR>[<LF>]...
  • Page 89 ADC test Transmit: <CR>[<LF>] Receive: <ACK><CR><LF> Transmit: <ENQ> Receive: [x]x.xxxx,[x]x.xxxx,x.xxxx,x.xxxx <CR><LF> ADC channel 4 identification Gauge 2 [0.0000 ... 5.0000 V] ADC channel 3 Gauge 1 identification [0.0000 ... 5.0000 V] ADC channel 2 Measurement signal gauge 2 [0.0000 ... 11.0000 V] ADC channel 1 Measurement signal gauge 1 [0.0000 ...
  • Page 90 I/O test Caution Caution: The relays switch irrespective of the pressure. Starting a test program may cause unwanted effects in connected control systems. Disconnect all sensor cables and control system lines to ensure that no control com- mands or messages are triggered by mistake. Transmit: [,x,yy] <CR>[<LF>] Relay status (in hex format), yy =...
  • Page 91 Operator key test Transmit: <CR>[<LF>] Receive: <ACK><CR><LF> Transmit: <ENQ> Receive: xxxx <CR><LF> Key 4 x = 0 –> Not pushed 1 –> Pushed Key 3 Key 2 Key 1 RS232 test Transmit: <CR>[<LF>] Receive: <ACK><CR><LF> Transmit: <ENQ> Starts the test (repeats each character, test is interrupted with <CTRL>...

  • Page 92: Example

    5.2.3 Example "Transmit (T)" and "Receive (R)" are related to Host. Request for gauge identification <CR> [<LF>] Positive acknowledgement E: <ACK> <CR> <LF> Request for data transmission S: <ENQ> Gauge identifications E: TPR,CMR <CR> <LF> Request for gauge statuses <CR> [<LF>] Positive acknowledgement E: <ACK>...

  • Page 93: Maintenance

    6 Maintenance The product requires no maintenance. Cleaning the TPG 262 For cleaning the outside of the TPG 262, a slightly moist cloth will usually do. Do not use any aggressive or scour- ing cleaning agents. DANGER Caution: mains voltage Contact with live parts is extremely hazardous when liquids penetrate into the unit.

  • Page 94: Troubleshooting

    7 Troubleshooting Signalization of errors and the error relay opens (→ 21). Possible cause and remedy/ Error messages acknowledgement Interruption or instability in sensor line or connector (Sensor error). Acknowledge with the . key If the problem persists, is displayed. Possible cause and remedy/ acknowledgement The TPG 262 has been turned on too...

  • Page 95: Repair

    8 Repair Return defective products to your nearest Pfeiffer Vacuum service center for repair. Pfeiffer Vacuum assumes no liability and the warranty becomes null and void if repair work is carried out by the end-user or third parties. BG 805 196 BE / B (2004-08) TPG262.oi...

  • Page 96: Storage

    9 Storage Caution Caution: electronic component Inappropriate storage (static electricity, hu- midity etc.) can damage electronic compo- nents. Store the product in an antistatic bag or con- tainer. Observe the corresponding specifica- tions in the technical data (→ 10 Disposal WARNING Caution: substances detrimental to the envi- ronment...

  • Page 97: Appendix

    Appendix Conversion Tables Weights slug 2.205 68.522×10 35.274 0.454 31.081×10 slug 14.594 32.174 514.785 28.349×10 62.5×10 1.943×10 Pressures , Pa mbar Torr 10×10 10×10 7.5×10 9.869×10 , Pa 100×10 750.062 0.987 mbar 750.062×10 0.987×10 133.322 1.333×10 1.333 1.316×10 Torr 101.325×10 1.013 1.013×10 Pressure units used in...

  • Page 98: B: Default Parameter Settings

    Default Parameter The following values are activated when the default pa- rameter settings are loaded (→ 57): Settings Default User 1×10 mbar 9×10 mbar normal 1.00 (log) 1.000 (lin) 1000 mbar 0×10 mbar mbar 9600 2 Digit Hand Auto BG 805 196 BE / B (2004-08) TPG262.oi...

  • Page 99: C: Firmware Update

    Firmware Update If your TPG 262 firmware needs updating, e.g. for implementing a new gauge type, please contact your local Pfeiffer Vacuum service center. User parameters Most of the settings you may have defined in the Pa- rameter and Test mode will not be affected by a firm- ware update.
  • Page 100 Program transfer In the following instructions, the index is used instead of the actual index. Unpack the self extracting file If you have not connected the TPG 262 to the COM1 interface: • Open the batch file … • … edit the interface … •...
  • Page 101 Starting the TPG 262 If the program transfer was successful, quit the Update with the updated firm- mode by turning the TPG 262 off. ware Wait at least 10 s before turning the TPG 262 on again in order for it to correctly initialize it- self.

  • Page 102: D: Literature

    Literature www.pfeiffer-vacuum.de Instruction Sheet Compact Pirani Gauge TPR 261 BG 805 105 BE Pfeiffer Vacuum GmbH, D–35614 Asslar, Deutschland www.pfeiffer-vacuum.de Operating Instructions Compact Pirani Gauge TPR 265 BG 805 177 BE Pfeiffer Vacuum GmbH, D–35614 Asslar, Deutschland www.pfeiffer-vacuum.de Operating Instructions Pirani-Messröhre TPR 280...
  • Page 103 Instruction Sheet Compact Cold Cathode Gauge IKR 270 BG 805 115 BE / A Pfeiffer Vacuum GmbH, D–35614 Asslar, Deutschland www.pfeiffer-vacuum.de Instruction Sheet Compact FullRange™ Gauge PKR 251 BG 805 119 BN Pfeiffer Vacuum GmbH, D–35614 Asslar, Deutschland [10] www.pfeiffer-vacuum.de Instruction Sheet Compact FullRange™...

  • Page 104: E: Index

    Index – A – – G – A/D converter test Gauge connector Gauge control 12; 47 – B – gauge activation gauge deactivation Baud rate OFF threshold ON threshold – C – Gauge identification Calibration factor Gauge parameters Cleaning calibration factor Communication measurement value filter interface...
  • Page 105 – O – – S – OFF threshold Safety Offset Scope of delivery ON threshold sensor connector Operating modes Serial interface Measurement mode connector overview test Parameter mode Status messages Program transfer mode Storage Operation Switching function power off parameters power on Switching functions 11;...

  • Page 106: Declaration Of Conformity

    Declaration of Conformity We, Pfeiffer Vacuum, hereby declare that the equipment mentioned below complies with the provisions of the Di- rective relating to electrical equipment designed for use within certain voltage limits 73/23/EEC and the Directive relating to electromagnetic compatibility 89/336/EEC.
  • Page 107 Notes BG 805 196 BE / B (2004-08) TPG262.oi...
  • Page 108 Berliner Strasse 43 D–35614 Asslar Deutschland Tel +49 (0) 6441 802-0 Fax +49 (0) 6441 802-202 info@pfeiffer-vacuum.de Original: German BG 805 196 BD / B (2004-08) www.pfeiffer-vacuum.de bg805196be/ b...

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