Redundancy Settings In The Server Project - Siemens SIMATIC PCS 7 Configuration Manual

Configuring OS functions
10.1 Project settings
10.1.6

Redundancy settings in the server project

Procedure
1. Open the "Redundancy" editor in the OS server project.
2. Check that the redundancy partner settings are correct and activate the options you require.
Note
The redundancy partner can be connected either via a serial interface (null modem cable) or,
as of PCS 7 V7.0, via an additional network I/O (connected by means of a crossed network
cable between the redundancy partners).
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Compendium Part A - Configuration Guidelines (V8.2)
Configuration Manual, 08/2016, A5E38166869-AA