​.UnAck dotfield

Monitors or controls the alarm acknowledgment status of local alarms.

Category

Alarms

Usage

TagName.UnAck=0;

Parameter

TagName

Any discrete, integer, real, indirect discrete and analog tag, or alarm group.

Remarks

Set this dotfield to a value of 0 to acknowledge any outstanding alarms associated with the specified tag or alarm group. When the specified tag is an alarm group, all unacknowledged alarms associated with the tags within the specified group are acknowledged. When the specified tag is any other type, only the unacknowledged alarm associated with that tag is acknowledged. Setting this dotfield to a value other than 0 has no meaning.

Data Type

Discrete (read/reset) only

Valid Values

0

Example

The following statement acknowledges any alarm associated with the Tag1 tag.

Tag1.UnAck=0;

This statement acknowledges all unacknowledged alarms within the alarm group named PumpStation.

PumpStation.UnAck=0;

.UnAck has an inverse dotfield called .Ack. When an alarm has been acknowledged, the value of the .Ack dotfield is set to 1.

See Also

.Ack, Ack(), .Alarm, .AlarmAckModel