Checking Redundancy Tag In Wincc - Siemens SIMATIC PCS 7 System Manual

3.7

Checking redundancy tag in WinCC

Introduction
To run two OS servers in a redundant configuration, an internal WinCC tag
(Redundancy_active) that is created automatically by the engineering tool is used. This tag is
also required in non-redundant systems. The description below is only for checking the tag.
Requirement
● WinCC Explorer is open.
Procedure
Check the internal WinCC tag (internal tags) "Redundancy_active" to ensure they are present
and have the correct start value.
Note
Start value:
● Redundancy_active = 0 → Redundancy not active
● Redundancy_active = 1 → Redundancy active
Advanced Process Functions Engineering Manual
System Manual, 07/2016, A5E38719921-AA
Configuring AS-OS communication
3.7 Checking redundancy tag in WinCC
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