Maintenance Vortex Manual
54 Issue 7 December 2009
MAINTENANCE
7.6 Event logging
The Node Controller Module logs events (300 maximum) which can be accessed through the digital
communication links. Each event is recorded with a time stamp. Table 21 lists data recorded in the
event log.
Table 21: Data recorded in the Event Log
Event Data recorded
Entry and exit from alarm states Each channel ID and alarm level
Fire detector coming online after a
reset and stabilisation period
Channel ID
Accept/Reset action
Channel test actions Action performed and channel ID.
Clearing of the Peak Hold Cal
memories
Inhibit action Channel ID and whether inhibit
condition set or cleared
Fault (each fault is recorded as fault
occurred and fault fixed)
Under-range, Over-range, Channel
communications access together with
relevant channel ID
No detector enabled fault
System faults (each fault is recorded
as fault occurred and fault fixed)
Battery fault, FRAM data, Ribbon
Cable bus, Display Access, Power
Monitoring Module, Module Access,
Bus PCB, Relay Output Module
Relay drive output Relay ID and whether the relay is
driven or not driven. This is the result
evaluated by the relay logic and not
necessarily the relay contact state as
this is dependent on the relay
configuration.
Communications actions. Config cable inserted, Config cable
removed.
Zero and cal operation performed over
serial communications with associated
channel ID.
FRAM update The internal stored configuration
Power supply event Change in the power supply occurred
and changed to OK / Mains Fail,
Battery Low / Mains OK, Battery
Disconnect / Mains OK, Battery Low
Service event Date and time that the event log was
cleared
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