How To Set The Redundancy Connection For Os Servers - Siemens SIMATIC PCS 7 Function Manual

Additional information
● Online help for
4.5.8

How to set the redundancy connection for OS servers

Introduction
You will now select the connection path for the redundancy connection between 2 OS servers.
You can make the following settings directly on each of the mutually redundant OS servers.
The description for OS servers is used here.
Changing the connection path
Note
When the redundancy connection is established via a serial interface, you need to reboot the
PC station after changing the connection path.
Validity
The procedure described in this section applies to the following servers:
● OS server
● Maintenance server
● Central archive server
Requirements
● The OS server and OS partner server are connected by a redundancy cable.
● OS server and OS partner server are installed as redundant OS servers.
● The "WinCC Redundancy" license key is available on the OS server and OS partner server.
Fault-tolerant Process Control Systems (V8.0)
Function Manual, 03/2012, A5E02779471-02
WinCC
You can use the following as the redundancy cable:
– Network cable on additional network adapter (free network onboard adapter possible
as of PCS 7 V8.0, e.g. from Bundle PC SIMATIC IPC 647C)
– Null modem cable on the COM port
Advantages of fault-tolerant components
4.5 Operator stations
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