VESDA
®
LaserSCANNER Product Manual
17
Relay Settings and Conditions to Change States
Table 2 - Relay settings and conditions to change state for 7 and 12 relays
head termination card
Relay #
Default
State change
Latch
1
Isolate
Energizes when an operator isolates the detector by
pressing the
Isolate
key on the Display Module or by
activating the command via a PC or a LCD Programmer or
GPI option.
Unlatched
2
Minor Fault
De-energizes when a Minor Fault is
detected.
Latched
3
Urgent Fault
De-energizes when an Urgent Fault is detected.
Latched
4
Alert
Energizes when the Alert alarm is initiated in any sector.
Latched
5
Action
Energizes when the Action alarm is initiated in any sector.
Latched
6
Fire 1
Energizes when the Fire 1 alarm is initiated in any sector.
Latched
7
Fire 2
Energizes when the Fire 2 alarm is initiated in any sector.
Latched
8
first alarm
sector 1
Energizes when the first alarm sector 1 has been identified
Latched
9
First alarm
Sector 2
Energizes when the first alarm sector 2 has been identified
Latched
10
First alarm
Sector 3
Energizes when the first alarm sector 3 has been identified
Latched
11
First alarm
Sector 4
Energizes when the first alarm sector 4 has been identified
Latched
12
Scan
Energizes when the Scanner is scanning the inlet ports.
Latched