3
Installation Guidelines
3.1
Mounting Rack
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3 - 1
3.1.1
Central Controller (CC)
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3 - 1
3.1.2
Expansion Units (EU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 - 4
3.2
Mechanical Installation
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3 - 12
3.2.1
Installing the Modules
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3 - 12
3.2.2
Dimension Drawings
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3 - 15
3.2.3
Cabinet Installation
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3 - 18
3.2.4
Interconnecting the Two Subunits
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3 - 19
3.2.5
Centralized Configurations
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3 - 21
3.2.6
Distributed Configurations
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3 - 22
3.3
Wiring
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3 - 27
3.3.1
Connecting the PS 951F Power Supply Module . . . . . . . . . . . . . . . . . . 3 - 27
3.3.2
Connecting Digital Modules
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3 - 28
3.3.3
Connecting Analog Modules
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3 - 28
3.3.4
Front Connectors
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3 - 29
3.3.5
Simulator
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3 - 31
3.4
General Configuration
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3 - 31
3.4.1
Power Supply
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3 - 31
3.4.2
Electrical Installation with Field Devices
. . . . . . . . . . . . . . . . . . . . . . . . 3 - 34
3.4.3
Connecting Nonfloating and Floating Modules
. . . . . . . . . . . . . . . . . 3 - 39
3.5
Installing Programmable Controllers in Conformity
with EMC Guidelines
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3 - 41
3.6
Wiring Arrangement
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3 - 42
3.6.1
Wiring Cables Inside and Outside a Cabinet
. . . . . . . . . . . . . . . . . . . . 3 - 42
3.6.2
Running Cables Outside Buildings
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3 - 43
3.7
Equipotential Bonding
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3 - 44
3.8
Shielding Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 - 45
3.9
Special Measures for Interference-Free Operation
. . . . . . . . . . . . . . . 3 - 46
3.10
Checklist for the Installation of Programmable Controllers
in Conformity with EMC Guidelines
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3 - 49
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EWA 4NEB 811 6148-02