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15
PRS-UM-PPSM-EN-Rev.03-10.04.2020
4.5 Relay Outputs
PPS panel has two relays which are fault and alarm on main power module.
Fault:
This relay will be activated when any of the zone modules in the system raise fault status.
Alarm:
This relay will be activated when any of the zone modules in the system will exceed the
programmed alarm level.
Each zone module has three relays which are Alarm, Fan1 and Fan2. Their activation mechanism as
follows:
Alarm:
This relay will be activated when the defined gaz level threshold exceed depending of the
activity type defined for related zone.
Fan 1:
This relay will be activated after 30 seconds when any of the detectors will exceed the
programmed F1 level in related zone. This relay will be deactivated after 240 seconds when the
status returned to normal.
Fan 2:
This relay will be activated after 30 seconds when any of the detectors will exceed the
programmed F2 level in related zone. This relay will be deactivated afte 240 seconds when the status
returned to normal.
The relays are configured as NO (Normally Open) by default at factory. The relay configurations
cannot be adjusted to NC (Normally Closed)
Important:
Relays should not be connected to high current or 220V AC loads. The relay outputs
should be used as control signal and external relays should be used to drive such devices as relay on
main board cannot handle high load.
5. FIRST RUN
After power applied to PPS panel it will start illuminating the On LED. The LCD display shpw
“Sacnning Detector” at same time while panel tries to initialize the detectors connected to it:
Scanning will take at least 2 minutes. After two minutes each zone module installed on teh PPS panel
will report the number of detectors they recognized:
If all detectors working fine then LCD display will show the status of detectors: at first line the
number of detectors and average gas measurement level, at the bottom the detector address which
is measuring the highest gas level and the measurement level.
Scanning
Detector
Detector
01
CO:000P
D21:000P