Siemens Simatic S7-400

2-1
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01
Installing the S7-400
Chapter Overview
Section Description Page
2.1 Assembling an S7-400 2-2
2.2 Assembling the Central Rack (CR) and Expansion Rack (ER) 2-6
2.3 Segmented CR 2-8
2.4 Mounting and Grounding the Racks 2-9
2.5 Chassis Ground Connection in the Non-Isolated Configuration 2-14
2.6 Methods of Ventilation 2-16
2.7 Changing the Ventilation with the Cable Duct and Fan
Subassembly
2-18
2.8 Installing the Fan Subassembly 2-20
2.9 Installing the Cable Duct 2-22
2.10 Choosing and Setting up Cabinets with the S7-400 2-23
2.11 Rules for the Arrangement of Modules 2-27
2.12 Installing Modules in a Rack 2-28
2.13 Marking the Modules with Slot Labels 2-32
2.14 Methods of Expansion and Networking 2-33
2.15 Accessories 2-34
2
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