9
INM MTL SUM5 Rev 7
DRAFT - 09 June 2021 DRAFT - 09 June 2021
2.2.15 Watchdog Monitoring LED’s
As alarm annunciators are used in safety critical applications it is important that the
functions of the annunciator are monitored and the SmartAlarm is equipped with an
extensive self-diagnostic facility including two green status LED’s, in standard mode they
provide dynamic monitoring of the logic supply, eld contact supply, and system status.
In diagnostic / program mode the LED’s allow real time contact status monitoring,
manual input type programming and communications Tx & Rx monitoring.
Watchdog LED’s