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34 • The WAGO-I/O-SYSTEM 750

Grounding

WAGO-I/O-SYSTEM 750

PROFIBUS

2.7.2 Grounding Function

The grounding function increases the resistance against disturbances from

electro-magnetic interferences. Some components in the I/O system have a

carrier rail contact that dissipates electro-magnetic disturbances to the carrier

rail.

Fig. 2-22: Carrier rail contact g0xxx10e

Attention

Care must be taken to ensure the direct electrical connection between the

carrier rail contact and the carrier rail.

The carrier rail must be grounded.

For information on carrier rail properties, please see chapter "Carrier rail

properties".

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 109 110

Modular I/O System 1
PROFIBUS DP 1
TABLE OF CONTENTS 3
1 Important Comments 5
1.2 Symbols 6
1.3 Font Conventions 7
1.4 Number Notation 7
1.5 Safety Notes 8
1.6 Scope 9
1.7 Abbreviation 9
2 The WAGO-I/O-SYSTEM 750 10
2.2 Technical Data 11
2.3 Manufacturing Number 14
2.5 Mechanical Setup 15
16 • The WAGO-I/O-SYSTEM 750 16
Mechanical Setup 16
2.5.4 Spacing 17
2.5.6 Assembly Sequence 19
20 • The WAGO-I/O-SYSTEM 750 20
2.5.8 Power Contacts 21
2.5.9 Wire Connection 22
2.6 Power Supply 23
Fieldbus 24
Interface 24
Electronic 24
(5V) total 25
(5 V) total 26
2.6.3 Field Supply 27
The WAGO-I/O-SYSTEM 750 • 31 31
Power Supply 31
2.6.5 Power Supply Unit 32
2.7 Grounding 33
2.7.2 Grounding Function 34
2.7.3 Grounding Protection 35
2.8 Shielding (Screening) 36
3 Fieldbus Coupler 38
3.1.1 Description 41
3.1.2 Hardware 42
Hardware 43
3.1.2.4 Display Elements 45
Configuration 47
3.1.3 Operating System 48
3.1.4 Process Image 49
Process Image 50
3.1.4.3.11 4 AI I/O-Modules 54
3.1.4.3.12 2 AO I/O-Modules 54
3.1.4.3.13 4 AO I/O-Modules 55
3.1.4.3.14 Counter Modules 55
750-404, 750-638 55
750-631, 750-634, 750-637 57
3.1.5 Configuration 59
3.1.5.3 Example 62
Configuring the Coupler 64
Configuration of I/O Modules 67
3.1.8.1.2 4 DI I/O Modules 68
3.1.8.1.3 8 DI I/O Modules 69
3.1.8.1.5 2 DO I/O Modules 71
3.1.8.1.8 4 DO I/O Modules 74
3.1.8.1.9 8 DO I/O Modules 75
3.1.8.2.2 4 AI I/O Module 79
3.1.8.2.3 2 AO I/O Modules 80
3.1.8.2.4 4 AO I/O Modules 81
3.1.8.3.2 PWM Module 84
3.1.8.5 Serial Interfaces 88
3.1.9 Diagnostics 89
3.1.10 LED Signaling 96
3.1.10.2 Fieldbus Status 97
3.1.11 Fault Behavior 102
3.1.12 Technical Data 103
4 I/O Modules 104
5 PROFIBUS 105
5.2 Wiring 106
6 Glossary 108
Glossary • 109 109
WAGO-I/O-SYSTEM 750 109
PROFIBUS 109
7 Literature list 110

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