C2271M (9/13) 13
ALARM/RELAY PORT
The 5-pin Alarm/Relay port has the following pins and pin assignments.
Figure 4. Alarm/Relay Port Pins
Table B. Pin Descriptions for Alarm/Relay Port
Pin Function
1 Alarm Ground
2 Alarm Input
3 Ground
4Relay N.O.
5 Relay Return
