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WAGO-I/O-SYSTEM 750
Table of Contents
3
750-489 4AI RTD/TC/Strain Gauge Ex i
Manual
Version 1.1.0, valid from FW Version 02
Table of Contents
Notes about this Documentation ............................................................. 8
Validity of this Documentation................................................................. 8
Subject to Changes .......................................................................... 13
Personnel Qualifications .................................................................. 13
Use of the 750 Series in Compliance with Underlying Provisions ..... 13
Technical Condition of Specified Devices......................................... 14
Disposal ...................................................................................... 14
Electrical and Electronic Equipment ........................................ 14
Packaging ............................................................................... 15
Safety Advice (Precautions) ................................................................. 16
Data Contacts/Local Bus .................................................................. 23
Power Jumper Contacts/Field Supply .............................................. 24
Connectors ............................................................. 25
Operating Elements .............................................................................. 26
Schematic Diagram .............................................................................. 27
Device Data ..................................................................................... 28
Power Supply ................................................................................... 28
Communication ................................................................................ 28
Explosion Protection ........................................................................ 32
Climatic Environmental Conditions ................................................... 33
Connection Type .............................................................................. 33
Standards and Guidelines .................................................................... 36
Overview of Sensor Types ............................................................... 40
Conversion of the Process Values ................................................... 43
Temperature Measurements ....................................................... 43
Resistance and Voltage Measurements ...................................... 44
Potentiometers ............................................................................ 45