Chapter 2: Product description
P/N 3101890-EN • REV 006 • ISS 21JUN18 17
Figure 6: System off-normal LCD screen
2) Date
3) Number of active points
4) Number of disabled points
5) Selected event message
6) Event message field
7) Most recent, highest priority event message
(8) Number of monitor event messages stored in the
Monitor Queue
(9) Number of trouble event messages stored in the
Trouble Queue
(10) Number of supervisory event messages stored in
the Supervisory Queue
(11) Number of alarm event messages stored in the
Event message queues
The VM-1 control panel dynamically maintains 1,000 most recent, highest priority event messages across the four
queues. An individual queue can hold 999 messages. The queues display at the bottom of the event message
screen (see Figure 6 above).
The event message queues allow you to view details of messages to help locate points that are in an abnormal
state. When the system signals a status change, the control panel posts the event message for the point that
activated the event into the appropriate event message queue.
The four types of queues and event messages are listed below, by priority.
• Alarm (highest priority): Alarm event messages are used to identify the source of an active alarm within the
system. They signal fire alarms or other life-threatening emergencies (e.g., active smoke detectors, pull
stations, waterflow alarm switches).
• Supervisory: Supervisory event messages are used to identify changes to a supervisory state with the
system. They can signal off-normal conditions with sprinkler and extinguishing systems, and other equipment
related property safety (e.g., a closed gate valve).
• Trouble: Trouble event messages are used to identify faults with the alarm system. They can signal missing
detectors, disabled points, and ground faults.
(1) (2) (3)
(4)
(5)
(6)
(7)
(8)(9)(10)(11)
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