3 Installation Guidelines
3.1 Mounting Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 1
3.1.1 Central Controller (CC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 1
3.1.2 Expansion Units (EU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 4
3.2 Mechanical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 12
3.2.1 Installing the Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 12
3.2.2 Dimension Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 15
3.2.3 Cabinet Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 18
3.2.4 Interconnecting the Two Subunits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 19
3.2.5 Centralized Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 21
3.2.6 Distributed Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 22
3.3 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 27
3.3.1 Connecting the PS 951F Power Supply Module . . . . . . . . . . . . . . . . . . 3 - 27
3.3.2 Connecting Digital Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 28
3.3.3 Connecting Analog Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 28
3.3.4 Front Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 29
3.3.5 Simulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 31
3.4 General Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 31
3.4.1 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 41
3.6 Wiring Arrangement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 42
3.6.1 Wiring Cables Inside and Outside a Cabinet . . . . . . . . . . . . . . . . . . . . 3 - 42
3.6.2 Running Cables Outside Buildings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 43
3.7 Equipotential Bonding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 49
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
EWA 4NEB 811 6148-02
To Next Page
Loading...
Need help?
General
