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Automation System S7-400 Hardware and Installation
A5E00850741-01
Contents
1 Product Overview 1-1......................................................
2 Installing the S7-400 2-1....................................................
2.1 S7-400 Installation 2-2..............................................
2.2 Installing the Central Rack (CR) and Expansion Rack (ER) 2-6............
2.3 Segmented CR 2-8.................................................
2.4 Subdivided CR 2-9..................................................
2.5 Mounting and Grounding the R acks 2-10................................
2.6 Chassis Terminal Connection in the Non-Isolated Configuration 2-16........
2.7 Methods of Ventilation 2-18...........................................
2.8 Changing the Ventilation with the Cable Duct and Fan Subassembly 2-20...
2.9 Installing the Fan Subassembly 2-22...................................
2.10 Installing the Cable D uct 2-24.........................................
2.11 Choosing and Setting up Cabinets with the S7-400 2-25..................
2.12 Rules for the Arrangement of Modules 2-29.............................
2.13 Installing Modules in a Rack 2-30......................................
2.14 Marking the Modules with Slot Labels 2-33..............................
2.15 Methods of Expansion and Networking 2-34.............................
2.16 Accessories 2-35....................................................
3 Addressing the S7-400 3-1..................................................
3.1 Geographical and Logical Addresses 3-2..............................
3.2 How to Determine the Default Address of a Module 3-4..................
3.3 How to Determine the Default Address of a Channel 3-6.................
4 Wiring the S7-400 4-1.......................................................
4.1 Supplying Power to Modules 4-2......................................
4.2 Choosing the Power Supply Module 4-3...............................
4.3 Choosing the Load Current Power Supply 4-4..........................
4.4 Assembling an S7-400 with Process I/Os 4-5...........................
4.5 Assembling an S7-400 with Grounded Reference Potential (M) 4-7........
4.6 Assembling an S7-400 with Ungrounded Reference Potential
(Ungrounded Configuration) 4-8......................................
4.7 Assembling an S7-400 with Isolated Modules 4-10.......................
4.8 Parallel Wiring of Digital S7-400 Outputs 4-12...........................
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