Honeywell UDC2500 manual A2S1HL, A2S1EV, A2S2TY, A2S2VA, Alhyst

Configuration

Function Prompt		Selection or Range of Setting			Parameter
Lower Display		Upper Display			Definition
English	Numeric	English	Numeric
	Code		Code
A2S1HL	1109	HIGH	0	ALARM 2 SETPOINT 1 STATE—Same as
				A1S1HL.
		LOW	1
A2S1EV	1109	BEGIN	0	ALARM 2 SEGMENT EVENT 1—Same as
		END	1	A1S1EV.
A2S2TY	1110			ALARM 2 SETPOINT 2 TYPE—Select what
				you want Setpoint 2 of Alarm 2 to represent.
				The selections are the same as A1S1TYPE.
					Not applicable with Relay
				ATTENTION
				Duplex unless	using Dual Relay PWA.
A2S2VA	1111	Value in		ALARM 2 SETPOINT 2 VALUE—This is the
		engineering units		value at which you want the alarm type
				chosen in prompt A2S2TYPE to actuate.
				The details are the same as A1S1 VAL.
A2S1HL	1112	HIGH	0	ALARM 2 SETPOINT 1 STATE—Same as
				A1S1HL.
		LOW	1
A2S1EV	1112	BEGIN	0	ALARM 2 SEGMENT EVENT 2—Same as
		END	1	A1S1EV.
ALHYST	1113	0.0 to 100.0 % of		ALARM HYSTERESIS—A single adjustable
		span or full output		hysteresis is provided on alarms such that
		as appropriate		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.

80 UDC2500 Universal Digital Controller Product Manual 4/07