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

Advantages of fault-tolerant components
4.5 Operator stations
Additional information
● Online help for
4.5.6

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
Requirements
● The OS server and OS partner server are connected by a redundancy cable.
You can use the following as the redundancy cable:
– Network cable to additional network adapter (free onboard network adapter possible as
– Null modem cable on the COM port
● 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.
Procedure
1. Open the Windows Explorer on the OS server.
2. Select the folder "Simatic Shell" in the tree view
– Windows 7/Windows Server 2008 R2:
152
WinCC
of PCS 7 V8.0, e.g. from Bundle PC SIMATIC IPC 647C)
Desktop > Computer > Simatic Shell
Fault-tolerant Process Control Systems (V8.1)
Function Manual, 11/2014, A5E34878832-AA