Enabling A Secondary Pgm To Become A Primary Pgm In The Absence Of A Partner Module; Performing A Manual Switchover - Honeywell Experion PKS User Manual

5 PROFIBUS GATEWAY MODULE (PGM) BLOCK
Click OK.
10
Click OK to close the Field Network Configuration form.
11
The field network configuration is saved to the ERDB.
12 Reload the Protocol Block.

5.6.4 Enabling a secondary PGM to become a primary PGM in the absence of a partner module

You can use the "Become Primary" command to cause an unsynchronized secondary module to transition into
the primary role in the absence of a partner module. This command is applicable only if the unsynchronized
secondary has no view to a partner module across the redundancy cable and the primary IP address is not
occupied.
Tip
You can view the active redundant PGM pair in the Monitoring view.
Perform the following steps to enable a secondary PGM to become a primary PGM in the absence of a partner
module
In the Monitoring view, double-click the primary PGM icon.
1
The PGM block configuration form appears.
2 Click the Redundancy tab.
Click Become Primary.
3
Click Yes to confirm the action.
4
Confirm that the secondary module assumes the primary role. The old primary module should boot up in the
backup role.
Click OK.
5

5.6.5 Performing a manual switchover

You can use the "Initiate Switchover" command to manually initiate a switchover to a redundant PGM pair.
Tip
You can view the active redundant PGM pair in the Monitoring view.
Prerequisites
The primary and secondary modules are synchronized.
Perform the following steps to perform a manual switchover
In the Monitoring view, double-click the primary PGM icon.
1
The PGM block configuration form appears.
2 Click the Redundancy tab.
3 Click Initiate Switchover.
Click Yes to confirm the action.
4
Confirm that the secondary module assumes the primary role.
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Attention
When you click Save , the configuration is saved temporarily.
Attention
If you click Cancel and close the configuration form, the configuration is not saved to the ERDB even if you have
clicked Save on the Field Network Configuration tab toolbar.