AreaRAE Plus & AreaRAE Pro User's Guide
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
1
Low
2
High
3
Fail
Description
Instant reading reaches the low limitation
of any sensor installed
Instant reading reaches the high
limitation of any sensor installed
Any sensor in Fail alarm, VOC sensor in
Lamp alarm, LEL sensor in Over alarm.
29
AreaRAE Pro/Plus Display
The text "Low," "High," "Fail,"
"Lamp," and "Over" flashes
alongside the readings.