Logs; Operator Messages - ABB SM1000 User Manual

...4 CONFIGURATION

4.4.4 Logs

4.4.5 Operator Messages

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Set the maximum number of entries in each instrument log.
Note. Changing the log size results in the current log entries
being deleted.
The records all process alarm transitions
Alarm Event log
(inactive to active, unacknowledged to acknowledged or
active to inactive), real-time events and Operator Messages
– see Section 2.7
The records all activity associated with the
Totalizer log
totalizers: start, stop, reset, wrap, current total and
intermediate totals – see Section 2.8.
The records all system changes and events – see
Audit log
Section 2.9.
Log sizes must be set in the range 10 to 200. The size of the
logs has no effect on the amount of memory available for
storing channel data.
Operator Messages can be triggered via the Operator
Menus or a digital signal.
Message Tag
Enter the message text – 20 characters maximum.
Source ID
Select a signal source used to add the Operator Message to
the Alarm Event log. Refer to APPENDIX 1 for a description of
the available sources.
Note. This signal is edge-triggered. A rising edge (inactive to
active) or a falling edge (active to inactive) triggers the
addition of the Operator Message to the Alarm Event log.