Contents
viii AutomationSystem S7-400 Hardwareand Installation
A5E00850741-01
4.9 Grounding 4-13......................................................
4.10 Interference-Free Configuration for Local and Remote Connections 4-15....
4.11 Wiring Rules 4-17....................................................
4.12 Wiring the Power Supply Module 4-18..................................
4.13 Wiring the Signal Modules 4-22........................................
4.14 Wiring the Front Connector,Crimping 4-24..............................
4.15 Wiring the Front Connector,Screw Terminals 4-25.......................
4.16 Wiring the Front Connector,Spring-Type Terminals 4-26..................
4.17 Fitting the Strain Relief 4-28...........................................
4.18 Labeling a Front Connector 4-29.......................................
4.19 Fitting the Front Connector 4-32.......................................
4.20 Interconnecting the CR and ER(s) 4-35.................................
4.21 Setting the Fan Subassembly to the Line Voltageand Wiring It 4-37........
4.22 Cable routing in cable ducts or fan subassemblies 4-38...................
4.23 Routing Fiber-Optic Cables 4-38.......................................
5 Networking 5-1.............................................................
5.1 Configuring a Network 5-2...........................................
5.2 Fundamentals 5-3..................................................
5.3 Rules for Configuring a Network 5-7...................................
5.4 Cable Lengths 5-15..................................................
5.5 PROFIBUS-DP Bus Cables 5-18.......................................
5.6 Bus Connectors 5-19.................................................
5.7 RS 485 Repeater / Diagnostics Repeater 5-21...........................
5.8 PROFIBUS-DP Network with Fiber-Optic Cables 5-22....................
5.8.1 Fiber-Optic Cables 5-24..............................................
5.8.2 Simplex Connectors and Connector Adapter 5-26........................
5.8.3 Connecting a Fiber-Optic Cable to the PROFIBUS Device 5-28............
6 Commissioning 6-1........................................................
6.1 Recommended Procedure for First Startup 6-2.........................
6.2 Checks Prior to Switching On for the First Time 6-3......................
6.3 Connecting a Programming Device (PG) to an S7-400 6-5...............
6.4 Switching On an S7-400 for the First Time 6-6..........................
6.5 Resetting the CPU with the Mode Selector Switch 6-7...................
6.6 Cold, Warm,and Hot Restarts with the Mode Selector Switch 6-10.........
6.7 Inserting a Memory Card 6-11.........................................
6.8 Inserting a Backup Battery (Option) 6-13................................
6.9 Starting Up a PROFIBUS-DP Subnet 6-17..............................
6.10 Installing Interface Modules (CPU 414-2, 414-3, 416-3, 417-4
and 417-4H) 6-18....................................................