Alarm Outputs - Hoffer Flow Controls CAT2 User Manual

3.5.

Alarm Outputs

CAT2 provides an optional High/Low Flow Alarm feature. The
Alarms require an optional circuit board, PCA184. The Alarm option
is not available when the AC Power option is equipped. The following
drawings illustrate typical connections and switch settings for various
alarm output options.
Hi/Lo Alarm Relay
DC+ NC1
DC- COM1
SIG+
NO1
SIG-
NC2
ANLG
COM2
PULSE+ NO2
PULSE-
N/C
N/C
N/C
Hi/Lo Alarm TTL(0-5V)
DC+
ALARM1
DC- COM
SIG+
SIG-
ALARM2
ANLG COM
PULSE+
PULSE-
N/C
N/C
N/C
High Flow-Nomally Closed
High Flow-COM
High Flow-Nomally Open
Low Flow-Nomally Closed
Low Flow-COM
Low Flow-Nomally Open
USER DCS
+
Alarm
Indicator
-
1
+
Alarm
Indicator
-
2
Installation
1
PCA184
SW1
1
PCA184
SW1
15
HP-311