Table Of Contents - WAGO 750 Series Manual

WAGO I/O System 750
750-1491 2AI Resistor Bridge (Strain Gauge)

Table of Contents

1 Notes about this Documentation ............................................................. 6
1.1 Validity of this Documentation................................................................. 6
1.2 Copyright ................................................................................................ 7
1.3 Symbols ................................................................................................. 8
1.4 Number Notation .................................................................................. 10
1.5 Font Conventions ................................................................................. 10
2 Important Notes ...................................................................................... 11
2.1 Legal Bases .......................................................................................... 11
2.1.1
2.1.2
2.1.3
2.1.4
2.1.4.1
2.1.4.1.1
2.1.4.1.2
2.2 Safety Advice (Precautions) ................................................................. 14
3 Device Description .................................................................................. 18
3.1 View ..................................................................................................... 21
3.2 Connectors ........................................................................................... 22
3.2.1
3.2.2
3.2.3
3.3 Display Elements .................................................................................. 26
3.4 Schematic Diagram .............................................................................. 27
3.5 Technical Data ..................................................................................... 28
3.5.1
3.5.2
3.6 Approvals ............................................................................................. 30
3.7 Standards and Guidelines .................................................................... 31
4 Process Image ......................................................................................... 32
4.1 Overview .............................................................................................. 32
4.2 Control and Status Byte ........................................................................ 34
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.2.6
4.2.7
4.2.8
4.2.9
4.2.10
4.2.11
4.2.12
4.2.13
Subject to Changes .......................................................................... 11
Personnel Qualifications .................................................................. 11
Use of the 750 Series in Compliance with Underlying Provisions ..... 11
Technical Condition of Specified Devices......................................... 12
Disposal ...................................................................................... 12
Electrical and Electronic Equipment ........................................ 12
Packaging ............................................................................... 13
Data Contacts/Local Bus .................................................................. 22
Power Jumper Contacts/Field Supply .............................................. 23
Push-in CAGE CLAMP
Connection Type .............................................................................. 29
Climatic Environmental Conditions ................................................... 29
Process Data ................................................................................... 36
Overview of Signal Voltages ............................................................ 36
Conversion of the Process Values ................................................... 37
Resistor Bridge (Strain Gauge) ........................................................ 38
SG Bridge Voltage U
d
SG Bridge Voltage U
d
SG Bridge Voltage U
d
SG Bridge Voltage U
d
SG Bridge Voltage U
d
SG Bridge Voltage U
d
SG Reference Voltage U
SG Reference Voltage U
SG Reference Voltage U
® Connectors ................................................ 25
(±15 mV) ....................................................... 39
(±30 mV) ....................................................... 39
(±60 mV) ....................................................... 40
(±120 mV) ..................................................... 40
(±240 mV) ..................................................... 41
(±360 mV) ..................................................... 41
(+5 V internal) ........................................ 42
ref
(±5 V external) ....................................... 42
ref
(±10 V external) ..................................... 43
ref
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