Alarm Output - Hoffer Flow Controls HIT-4L User Manual

22 Installation
3.4

Alarm Output

HIT-4L provides an optional Alarm Output configurable for Rate or
Total. The Alarm Output can be configured as Low Alarm, High
Alarm or Low/High.
LOW ALARM
HIGH ALARM
LO/HI ALARM
Alarm Active – Output transistor is in OFF state
Alarm Not Active – Output transistor is in ON state
The Alarm Output may be configured as an Open Collector by
removing J10 or 0-5V (TTL/CMOS) by installing J10.
HP-329
Low Set
Point
Not Active
Active
Not Active
Active Not Active
Low Set
Point
High Set
Point
Active
Active
Flow Rate
High Set
Point
HIT-4L