A5E00068197 - Siemens SIMATIC S7-400H Manual

Important Notes
Purpose of the manual
The present manual is intended for persons involved in the areas of configuration,
commissioning and servicing of programmable logic control systems.
To help you get familiar with the product, we recommend that you start with the
example in Chapter 3. It shows you an easy method of getting started on the subject
of fault-tolerant systems.
Basic knowledge required
In order to understand the manual, you will need to be familiar with the general
principles of automation technology.
Knowledge of S7 programs is also a prerequisite; you can read more about S7
programs in the Programming with STEP 7 manual. As you need the STEP 7
standard software while you are configuring, you should also be familiar with running
the standard software, as explained in the STEP 7 User Manual.
Validity of the manual
The manual is valid for CPU 417-4H firmware version V2.1.0 or higher and option
package S7 H Systems, version V5.1 or higher.
S7-400H Programmable Controllers, Fault-Tolerant Systems

A5E00068197-04

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