Requirements
● The redundant OS server pair has been configured in SIMATIC Manager.
● WinCC redundancy is configured for the OS server (master).
● The OS server (master) has been compiled such that the server data have been generated.
● Two OS clients have been configured in SIMATIC Manager.
● The server data of the OS server (master) has been assigned to the client project.
Procedure
1. Open the WinCC project of the first OS client in the component view in SIMATIC Manager.
2. Open the "Server Data" editor in WinCC Explorer.
3. Select the "Configure" command in the shortcut menu.
The "Configure Server Data" dialog box opens.
4. Click the "No preferred server" cell in the "Preferred server" column.
A drop-down list then appears. The preferred servers available for selection depend on the
redundancy configuration of the OS servers and are transferred to the OS client with the
server data.
5. Select the preferred OS server for the OS client from the drop-down list box.
6. Close the dialog box.
7. Repeat steps 1 to 6 for the second OS client. Note that you must set the redundant OS
partner server as the preferred server for the second OS client.
8. Select the first OS client and select the menu command Edit > Object Properties.
The "Properties [name of OS]" dialog box opens.
9. Select the "Target OS" tab.
10.Click the "Browse" button next to the "Path to target OS computer" box and enter the path
to the MCP file of the OS client.
The MCP file is generated automatically when you create the OS.
11.Repeat steps 8 to 10 for the second OS client.
Advantages of high availability components
5.5 Operator stations
High Availability Process Control Systems (V9.0)
166 Function Manual, 05/2017, A5E39221836-AA
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