Siemens SIMATIC S5 Manual page 293

The ET 200 distributed I/O system and
lightning protection
In this chapter
Goal
ET 200 Distributed I/O System
EWA 4NEB 780 6000-02a
This chapter describes ways and means of protecting your automation
system against overvoltage surge and lightning strike.
Section
D.1 Why protect the automation system against overvoltage?
D.2 How to protect the ET 200 distributed I/O system against over-
voltage
D.3 Example illustrating lightning protection for the ET 200 distrib-
uted I/O system 200
After reading this chapter, you will know what to do in order to protect your
system against overvoltage.
Topic
D
Page
D-2
D-4
D-7
D-1