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AVEVA™ Operations Management Interface

Alarm shelving attributes

  • Last UpdatedJul 19, 2024
  • 1 minute read

The following attributes support alarm shelving.

Attribute

Description

Runtime Access

<Attribute>.AlarmShelveCmd

Use this attribute to shelve or unshelve an alarm.

Default values: Duration = 0, Reason = ""

Supervisory, User

<Attribute>.AlarmShelved

Boolean value. Shows True if alarm is shelved, False if alarm is unshelved.

Default value: False

Read-Only

<Attribute>.AlarmShelveStartTime

A date/time stamp indicating when alarm shelving began, based on the engine time when the shelving request was received,

Default value: Blank

Read-Only

<Attribute>.AlarmShelveStopTime

A date/time stamp equal to the AlarmShelveStartTime plus the duration for which the alarm is to be shelved.

Default value: Blank

Read-Only

<Attribute>.AlarmShelveReason

A string value providing the reason for which the alarm was shelved or un-shelved by the Alarm Shelve command.

Default value: Blank (see the AlarmShelveCmd attribute)

Read-Only

<Attribute>.AlarmShelveUser

The name of the user who most recently shelved or un-shelved the alarm with the Alarm Shelve command.

Default value: Blank

Read-Only

<Attribute>.AlarmShelveNode

The name of the computer node from which the user most recently shelved or un-shelved the alarm with the Alarm Shelve command.

If the node is hosted in a Terminal Server client session, the node and the TSE ID are both identified.

Default value: Blank

Read-Only

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