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Edge HMI

Advanced settings for Alarm worksheet

  • Last UpdatedOct 29, 2026
  • 2 minute read

Alarms worksheet advanced

The following table describes the Advanced settings on an Alarm worksheet:

Field

Remarks

Syntax

Disable

When the value of the tag configured in this is TRUE, all alarms configured in this group are temporarily disabled. This option is useful to disable alarms under special conditions (for example, during maintenance).

Tag

Total Alarms

The tag configured in this field, if any, is updated with the number of alarms from this group, which are currently active.

Tag

Total Unack

The tag configured in this field, if any, is updated with the number of alarms from this group, which are currently active AND have not been acknowledged yet.

Tag

Remote Ack Trigger

When the tag configured in this field change of value, all active alarms from this group are acknowledged. This option can be used to acknowledge alarms regardless of any action from the operator.

Tag

Dead Band Time > Activation

Each alarm must remain continuously in its alarm condition for the period of time specified in this field before becoming active. This option is useful to avoid generating alarms on intermittent conditions (for example, noise). If this field is left in blank, the alarm becomes active as soon as its condition is true.

Tag or Number

Dead Band Time > Normalization

Each alarm must remain continuously out from its alarm condition for the period of time specified in this field before becoming normalized. This option is useful to avoid normalizing alarms on intermittent conditions (for example, noise). If this field is left in blank, the alarm become normalized as soon as its condition is no longer true.

Tag or Number

Dead Band Time > Time Stamp/Value

Each alarm maintains a time stamp of the last significant activity, along with the value of the tag at that time. You can select the type of activity that updates the time stamp:

  • Activation/Norm (default): The time when the dead band ended — that is, when the alarm becomes activated or normalized.

  • Last Tag Change: The time when the value of the tag last changed during the dead band.

  • Start Condition: The time when the dead band started.

Combo