Disable Synchronization command
Prerequisites
178 Experion C300 Controller User's Guide R301.1
Honeywell 11/06
Disable Synchronization command
You can use the following procedure to disable synchronization manually to a redundant
C300 Controller pair.
Prerequisites
• You can view active redundant C300 Controller pair on the Monitoring tab in
Control Builder.
• The primary and secondary C300 Controllers are synchronizing, synchronized or in
standby state.
To Disable Synchronization
Step Action
1
In the Monitoring tab, double-click the primary C300 icon to call up its
Parameters configuration form.
2
Click the Redundancy tab to display it.
3
Click the Disable Synchronization button.
4
Click the Yes button to confirm the action and issue the Disable
Synchronization command.
5
Confirm that the Auto Synchronization State becomes DISABLED.
6
Click the OK button to close the Parameters form.
7
This completes the procedure.
Initiating Become Primary command
You can use the following procedure to manually cause an unsynchronized secondary
controller to transision into a primary role in the absence of a partner controller.
Prerequisites
• You can view active redundant C300 Controller pair on the Monitoring tab in
Control Builder.
• The unsynchronized secondary controller has no view to a partner controller across
the redundancy cable and the primary IP address is currently not occupied.
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