Contents

 

 

 

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

A-7

Sample Circuitry for Networked S7-400 PLCs

. . A-28

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

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

Automation System S7-400

Hardware and Installation

xi

A5E00850741-01

 

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Image 11
Siemens S7-400 installation manual Routing Equipotential Bonding Conductor and Signal Line