Schneider Electric HRB1684301-01 Setting up logic alarms, Logic alarm setup parameters, Nand, Nor

PowerLogic™ PM5500 series user manualChapter 10—Alarms

Standard (1-sec) alarm setup parameters (Continued)

Setting	Option or range	Description
		Applies to PF (power factor) alarms only. Use this set
DO Set Point Lead/Lag	Lead or Lag	the PF value and quadrant to set the dropout setpoint
		for an over PF condition (PF Leading) or under PF
(Lead, Lag)		condition (PF Lagging). See “Power factor (PF)” on
		page 91
Select Dig Output	None,
	Digital Output D1,	Select the digital output(s) you want to control when the
(Outputs)	Digital Output D2,	alarm is triggered.
	Digital Output D1 & D2

Setting up logic alarms

Use ION Setup to configure logic alarms.

NOTE: You must first configure the alarms you want to use as inputs to a logic alarm. For example, if you use a standard (1-Sec) alarm as one of the inputs, you must set up its setpoint pickup, dropout and delay parameters.

1.Select the logic alarm you want to set up, then click Edit.

2.Select the alarms you want to use as inputs to the logic alarm.

3.Click the double-arrow button to move the selected alarm to the Selected (max 4) box, then click OK.

4.Repeat to add more inputs to the logic alarm.

5.Configure the rest of the alarm setup parameters, click OK, then Send to save your changes to the meter.

Logic alarm setup parameters

Setting	Option or range	Description
		See the preceding procedure. This button allows you to
Edit	—	select up to 4 input parameters that you want to
		compare against each other. The logic alarm is set
		when the result of the specified logic operation on all
		inputs is true.
Enable	Yes (checked) or No	This enables or disables the alarm.
	(cleared)
	Logic Alarm 1 to Logic	ION Setup lets you modify the default label so it more
Label		clearly identifies your logic alarm. You can only use
	Alarm 10 (default labels)	letters, numbers and underscores. Spaces are not
		allowed.
	AND	Output of AND operation is True only if all inputs are
		True.
	NAND	Output of NAND operation is True if one or more inputs
		are False.
Type	OR	Output of OR operation is True if one or more inputs
		are True.
	NOR	Output of NOR operation is True only if all inputs are
		False.
	XOR	Output of XOR operation is True if only one input is
		True, and all other inputs are False.
Priority	High, Medium, Low, None	This sets the alarm priority and notification options.
		See “Alarm priorities” on page 94.
Select Dig Output	None,
	Digital Output D1,	Select the digital output(s) you want to control when the
(Outputs)	Digital Output D2,	alarm is triggered.
	Digital Output D1 & D2

HRB1684301-01 97