8.1 Advanced self-diagnostics of communication connections
PCS 7 features advanced self-diagnostics for redundant software systems (servers). If this
diagnostics routine detects an internal fault, and in the event that the redundant partner server
is fully functioning, all communication connections on the server affected by the fault are
disconnected (terminal and plant bus).
The affected server is then restarted automatically.
Requirements
● Use of a PCS 7 OS (multi-station) redundant system, SIMATIC BATCH and SIMATIC Route
Control.
● The following settings have been made on the server systems:
– Automatic Windows logon (not relevant for servers in WinCC service mode)
– Automatic start of the PCS 7 server applications
Procedure
1. Use the search box in the start menu to open the file "gpedit.msc".
The "Local Group Policy Editor" dialog box opens.
2. In the tree view, select the folder Local Computer Policy > Computer Configuration >
Administrative Templates > System.
3. Double-click the "Display Shutdown Event Tracker" object in the detail view.
The "Display Shutdown Event Tracker" dialog box opens.
4. Select the "Deactivated" option button.
5. Click "OK".
Note
Before a PCS 7 server application is exited, an availability check is carried out on the
relevant redundant partner server. If the partner server is not fully functional, the user is
informed of this status and can proceed accordingly.
The availability check is only carried out in service mode if a user is logged on.
Additional information
You can find more information in the corresponding documentation and readme files on:
● PCS 7 OS
● SIMATIC BATCH
● SIMATIC Route Control
● SIMATIC NET
Diagnostics
8.1 Advanced self-diagnostics of communication connections
High Availability Process Control Systems (V9.0)
244 Function Manual, 05/2017, A5E39221836-AA
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