Honeywell UDC2500 Product Manual page 55

Function Prompt
Lower Display
A2S2TY
A2S2VA
A2S1HL
ALHYST
ALARM1
Selection or Range of Setting
Upper Display
Value in engineering units
HIGH
LOW
0.0 to 100.0 % of span or full
output as appropriate
NO LAT
LATCH
UDC2500 Universal Digital Limit ControllerProduct Manual
Parameter
Definition
ALARM 2 SETPOINT 2 TYPE—Select what
you want Setpoint 2 of Alarm 2 to represent.
The selections are the same as A1S1TYPE.
ATTENTION Not applicable with Relay
Duplex unless using Dual Relay PWA.
ALARM 2 SETPOINT 2 VALUE—This is the
value at which you want the alarm type
chosen in prompt A2S2TYPE to actuate.
The details are the same as A1S1 VAL.
ALARM 2 SETPOINT 1 STATE—Same as
A1S1HL.
ALARM HYSTERESIS—A single adjustable
hysteresis is provided on alarms such that
when the alarm is OFF it activates at exactly
the alarm setpoint; when the alarm is ON, it
will not deactivate until the variable is 0.0 %
to 100 % away from the alarm setpoint.
Configure the hysteresis of the alarms based
on INPUT signals as a % of input range
span.
Configure the hysteresis of the alarm based
on OUTPUT signals as a % of the full scale
output range.
LATCHING ALARM OUTPUT 1—Alarm
output 1 can be configured to be Latching or
Non-latching.
NO LAT—Non-latching
LATCH—Latching
ATTENTION When configured for latching,
the alarm will stay active after the alarm
condition ends until the RUN/HOLD key is
pressed.
Configuration
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