Alarm Calling Process

 

When any input channel value violates that channel's configured alarm violation criteria for a time interval longer than the alarm trip delay for that channel, the channel goes into an unacknowledged alarm state.

 

Note: The finite time required completing each scan of the network affect how quickly each channel's value would be updated.

 

 

The report of a channel's status will generally include a Channel Status Message reflecting the current value status of the channel, followed by Tag Words, which reflect the state of the channel. Please refer to See "Tag Words and Channel States" .

 

 

The impacts on Catalyst operations are as follows: