Siemens S7-400 installation manual Contents

Contents

4.9 Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13

4.10Interference-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 Voltage and 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
viii		Automation System S7-400 Hardware and Installation
			A5E00850741-01