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Automation System S7-400H Fault-tolerant Systems
A5E00068197-07
Preface
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.
Target Group
This manual is aimed at people with the required qualifications to commission,
operate and maintain the products described.
Validity of the manual
The manual is relevant to the following components:
• CPU 414-4H as of firmware version V3.1
• CPU 417-4H as of firmware version V3.1
• Optional package “S7 H Systems” beginning with Version 5.2
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