User's Manual

AreaRAE Plus & AreaRAE Pro User’s Guide
29
Pinout For Relay Port:
Pin1: COM (GND)
Pin2: Relay1 output
Pin3: Relay2 output
Pin4: Relay3 output
A mating connector for wiring to external devices is available from electronics distributors:
Samtec part number ACP-16-03-G-00.30-S-BC-O-1
Test Setup For Relays:
The output from the three potential-free relay connections for intrinsic safety (IS ic) circuits is:
Ui=24
Ii=250mA
Relay Alarm Indications
Relay number
Alarm
Description
AreaRAE Pro/Plus Display
1
Low
Instant reading reaches the low limitation
of any sensor installed
The text “Low,” “High,” “Fail,”
“Lamp,” and “Over” flashes
alongside the readings.
2
High
Instant reading reaches the high
limitation of any sensor installed
3
Fail
Any sensor in Fail alarm, VOC sensor in
Lamp alarm, LEL sensor in Over alarm.