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Pfeiffer TPG 261 - User Manual

Pfeiffer TPG 261
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BG 5195 BEN / A (2011-05)
A PASSION FOR PERFECTION
VACUUM
TPG 261
SingleGauge™, Single-Channel Measurement and Control Unit for
Compact Gauges
Operating Instructions

Questions and Answers

  • N
    nicole37Aug 2, 2025
    What to do if the Pfeiffer TPG 261 shows a main memory (RAM) error?
    • J
      Joan BaxterAug 2, 2025
      If you're seeing a main memory (RAM) error on your Pfeiffer Control Unit, acknowledge it with the key.
  • M
    mromanAug 7, 2025
    What to do if the Pfeiffer TPG 261 displays a program memory (EPROM) error?
    • S
      Stephen BrownAug 7, 2025
      If your Pfeiffer Control Unit displays a program memory (EPROM) error, acknowledge it with the key.
  • A
    Annette DorseyAug 12, 2025
    What to do if the Pfeiffer Control Unit displays a parameter memory (EEPROM) error?
    • P
      Preston SullivanAug 12, 2025
      If the Pfeiffer Control Unit is showing a parameter memory (EEPROM) error, acknowledge the error with the key.
  • J
    Jason NicholsAug 17, 2025
    What to do if the Pfeiffer TPG 261 Control Unit displays a display driver error?
    • E
      Elizabeth WolfeAug 17, 2025
      If you encounter a display driver error on your Pfeiffer Control Unit, acknowledge it with the key.
  • K
    Kendra RossAug 22, 2025
    What to do if the Pfeiffer TPG 261 Control Unit displays an A/D converter error?
    • J
      James ChristianAug 22, 2025
      If your Pfeiffer Control Unit is showing an A/D converter error, acknowledge it with the key.
  • D
    David CollinsAug 27, 2025
    What to do if the Pfeiffer TPG 261 displays an operating system (Task Fail) error?
    • G
      gonzalezmeganAug 27, 2025
      If the Pfeiffer Control Unit displays an operating system (Task Fail) error, acknowledge it with the key.

Summary

Product Identification

Validity

Document applicability, firmware version, and change notes.

Intended Use

Scope of Delivery

1 Safety

1.1 Symbols Used

Explains warning symbols and indicators used in the manual.

1.2 Personnel Qualifications

Specifies requirements for personnel operating the equipment.

1.3 General Safety Instructions

Provides essential safety precautions and warnings.

2 Technical Data

Mains specifications

Details electrical input specifications like voltage, frequency, and power.

Ambiance

Specifies operating and storage conditions like temperature and humidity.

Compatible gauges

Lists gauges compatible with the TPG 261 unit.

Gauge supply

Operation

Details front panel and remote control operations.

Measurement values

Lists key measurement parameters and their values.

3 Installation

3.1 Personnel

Specifies requirements for personnel performing installation.

3.2 Installation, Setup

General instructions for installing and setting up the TPG 261.

3.3 Mains Power Connector

3.4 Gauge Connector sensor

3.5 control Connector

3.6 relay Connector

3.7 Interface Connector RS232

4 Operation

4.1 Front Panel

Describes the front panel layout and controls of the TPG 261.

4.2 Turning the TPG 261 On and Off

Instructions for powering the unit on and off.

4.3 Operating Modes

Outlines the different operating modes of the TPG 261.

4.5 Parameter Mode

4.5.1 Switching Function Parameters

Details on setting and editing switching function thresholds.

4.5.2 Gauge Parameters

How to display, enter, and edit parameters for the connected gauge.

4.5.3 Gauge Control

4.5.4 General Parameters

Pressure unit

Selecting the unit for measured values (mbar, Torr, Pascal).

Transmission rate

Setting the baud rate for RS232C interface.

4.5.5 Test Parameters

5 Communication (Serial Interface)

5.1 RS232 C Interface

Describes communication via the RS232C serial interface.

5.1.1 Data Transmission

Details data format, bits, parity, and handshake for RS232.

5.2 Mnemonics

5.2.1 Measurement Mode

5.2.2 Parameter Mode

5.2.2.1 Switching Function Parameters

Setting and allocating threshold values for switching functions.

5.2.2.2 Gauge Parameters

Setting measurement value filter and time constants.

Calibration factor

Offset correction (linear gauges)

Underrange control

Pirani range extension

5.2.2.3 Gauge Control

5.2.2.4 General Parameters

Pressure unit

Selecting the unit for measured values (mbar, Torr, Pascal).

Transmission rate

Setting the baud rate for RS232C interface.

Save parameters to EEPROM

Watchdog control

RAM test

EPROM test

EEPROM test

ADC test

I;O test

Operator key test

6 Maintenance

Cleaning the TPG 261

Instructions on how to clean the exterior of the unit.

7 Troubleshooting

Signalization of errors

Explains error indicators and the error relay.

Error messages

Lists common error messages, causes, and remedies.

Technical support

9 Storage

Caution: electronic component

Precautions for proper storage to prevent damage.

10 Disposal

WARNING: substances detrimental to the environment

Guidelines for environmentally safe disposal of product parts.

A: Conversion Tables

Pressures

Conversion factors for pressure units.

B: Default Settings

C: Firmware Update

Preparing the TPG 261 for a program transfer

Steps to prepare the unit for firmware update.

EC Declaration of Conformity

Pfeiffer TPG 261 Specifications

General IconGeneral
Input Voltage24 V DC
Communication InterfaceRS-232, RS-485
Temperature Range0 - 50 °C
Dimensions100 x 100 x 60 mm
DisplayLCD
Power Supply24 V DC
Display Digits4
Operating Temperature0 - 50 °C
Storage Temperature-20 - 70 °C
Protection ClassIP40
OutputsAnalog, Digital
Weight0.5 kg

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