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Siemens Automation System S7-400 User Manual

Page 11

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Contents

xi

Automation System S7-400 Hardware and Installation

A5E00850741-01

A-1

The Possible Routes for Electromagnetic Interference

A-5

. . . . . . . . . . . . . . . .

A-2

Example of Cabinet Installation for EMC

A-10

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

A-3

Wall Mounting an S7-400 for EMC

A-12

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

A-4

Mounting Cable Shields

A-14

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

A-5

Routing Equipotential Bonding Conductor and Signal Line

A-16

. . . . . . . . . . . .

A-6

Lightning Protection Zones of a Building

A-22

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A-7

Sample Circuitry for Networked S7-400 PLCs

A-28

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A-8

Relay Contact for EMERGENCY OFF in the Output Circuit

A-30

. . . . . . . . . . . .

A-9

Suppression for DC-Operated Coils

A-31

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

A-10

Suppression with AC-Operated Coils

A-31

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A-11

Shielding and Grounding with a Great Distance between Monitor

and Programmable Controller

A-36

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B-1

Electrostatic Voltages which can build up on a person

B-3

. . . . . . . . . . . . . . . .