Siemens S7-400 installation manual Index

Index

Front connector coding key, 4-32labeling, 4-29plugging in, 4-32wiring, 4-24

with crimp snap-on terminals, 4-22with screw-type terminals, 4-22with spring-type terminals., 4-22

Front connector coding, 4-32

Fuse of the fan subassembly, replacing, 7-13

H

Highest MPI address, 5-4

Hot restart, 6-10

I

I/O bus, 2-7Installation

for EMC, A-5

of cabinets, 2-25Insulation monitoring, 4-9Interface modules, replacing, 7-11

Interface submodules, M7-400, installing, 6-18,7-19

Interference, radiated, A-6

M

Main power supply, A-3

Memory card, inserting, 6-11,6-12Methods of ventilation, 2-18Modules

installing, 2-30isolated, 4-10signal, 2-7

slot numbers, 2-33MPI, definition, 5-2MPI address, 5-4

highest, 5-4rules, 5-5

MPI addresses, recommendation, 5-8MPI network

components, 5-8

configuration example, 5-11,5-13configuration rules, 5-7

data packets in, 5-8segment, 5-15

MPI parameters, 6-9

N

Networking, possibilities, 2-34Node, 5-3

Nodes, number of, 5-4

L

Lightning protection, A-19,A-20for 24 VDC supply, A-25for signal modules, A-25high-voltage protector, A-23low-voltage protection, A-26

Lightning protection zones, A-21Lightning strike, A-21

Load current circuit, 4-5

Load current power supplies, 4-4Location, M7-400

module designation, 1-3order number, 1-3product release, 1-3

O

Overall installation, in the TN-S system, 4-6Overvoltage, A-20

Overvoltage protection, A-30

P

Power supply connector disconnect, 4-18plugging in, 4-21wiring, 4-19

Power supply module, 1-2choosing, 4-3replacing, 7-4

PROFIBUS-DP, starting up, 6-17PROFIBUS-DP address, 5-4PROFIBUS-DP addresses, recommendation,

5-8

PROFIBUS-DP bus cable, 5-18characteristics, 5-18

rules for laying the, 5-18

Index-2	Automation System S7-400	Hardware and Installation
		A5E00850741-01