Siemens Simatic S7-1500

S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF
11
Introduction
1
Purpose of the documentation
This documentation provides important information on the following aspects of the
S7-1500R/H redundant system:
• An overview of the redundant system
• Configuration and failure scenarios
• How to install, wire and commission the redundant system
• Information on maintenance and fault correction
Basic knowledge required
General knowledge in the field of automation engineering is required to understand this
documentation.
Validity of the documentation
This documentation applies to all products of the SIMATIC S7-1500R/H redundant system.
Note
In principle, all contents of the system manual for the H
-CPU also apply to the fail-safe CPU
(HF
-CPU). Deviating contents and special features are described as supplements and marked
with references.
When using HF
-CPUs in safety mode, note the description of the F-system SIMATIC Safety
Programming and Operating Manual SIMATIC Safety
- Configuring and Programming
(https://support.industry.siemens.com/cs/ww/en/view/54110126).
Conventions
STEP 7: In this documentation, "STEP 7" is used as a synonym for all versions of the
configuration and programming software "STEP 7 (TIA Portal)".
Please also see the notes indicated as follows:
Note
A note contains important information on the product described in the documentation, on
the
handling of the product or on the section of the documentation to which particular
attention should be paid.