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The WAGO-I/O-SYSTEM 750 • 25
Power Supply
WAGO-I/O-SYSTEM 750
PROFIBUS
2.6.2.2 Alignment
Recommendation
A stable network supply cannot be taken for granted always and everywhere.
Therefore, regulated power supply units should be used in order to guarantee
the quality of the supply voltage.
The supply capacity of the ECO coupler or the internal system supply module
(750-613) can be taken from the technical data of the components.
Internal current consumption
*)
Current consumption via system voltage:
5 V for electronics of the bus modules and ECO
coupler
Residual current for
bus terminals
*)
Available current for the bus modules. Provided by
the bus power supply unit. See ECO coupler and
internal system supply module (750-613)
*) cf. catalogue W3 Volume 3, manuals or Internet
Example ECO coupler:
internal current consumption: 350 mA at 5V
residual current for
bus modules: 650 mA at 5V
sum I
(5V) total
: 1000 mA at 5V
The internal current consumption is indicated in the technical data for each bus
terminal. In order to determine the overall requirement, add together the
values of all bus modules in the node.
Attention
If the sum of the internal current consumption exceeds the residual current for
bus modules, then an internal system supply module (750-613) must be
placed before the module where the permissible residual current was
exceeded.
Example:
A node with a PROFIBUS ECO Coupler consists of 20 relay modules
(750-517) and 20 digital input modules (750-405).
Current consumption:
20*105 mA = 2100 mA
10* 2 mA = 20 mA
Sum 2120 mA
The coupler can provide 650 for the bus modules. Consequently, an
internal system supply module (750-613), e.g. in the middle of the
node, should be added.
Recommendation
With the WAGO ProServe® Software smartDESIGNER, the assembly of a
fieldbus node can be configured. The configuration can be tested via the
integrated accuracy check.
- 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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