Rockwell Automation Publication 1756-UM535D-EN-P - November 2012 135
Configure the Redundancy Modules Chapter 6
Locked Switchover Attempts
The Locked Switchover Attempts log provides information about the status of
the last four locked switchover attempts. This log includes this information about
each attempt:
• Time and date
• Status
• Result
The status indicated in the Locked Switchover Attempts log can be any one of the
states listed in this table.
If a locked switchover is aborted, it can be because of the following
• A module declined a locked switchover readiness request.
• An invalid response was received from the locked switchover readiness
request.
• After an initiate switchover prompt, a module rejected the command
.
• After an initiate switchover prompt, a module replied with an invalid
response.
Table 23 - Locked Switchover Event Log Statuses
Status Description
Not Attempted A locked switchover has not been attempted since the last
powerup.
In Progress A locked switchover is currently in progress.
Success A locked switchover was successfully completed.
Abort The locked switchover attempt failed. The cause of the failure is
indicated in a Result field.
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