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AVEVA Enterprise SCADA

Manual override period expired alarms

  • Last UpdatedApr 24, 2025
  • 1 minute read

"Manual override period expired" alarms help Controllers to avoid inadvertently leaving points in manual override mode for longer than intended.

When Controllers place an analog, a status, a rate, a multistate, or an rtstring point into manual override mode, they can optionally configure an amount of time by which to delay the alarm. The process controlling this feature runs every minute at hh:mm:30.

AVEVA Enterprise SCADA generates an event as well as an alarm. No other action is triggered.

The following fields in the analog, status, rate, multistate, and rtstring tables are related to the Manual Override Period Expired Alarms enhancement.

Internal Field Name

Data Type

Description

override.enable

oas_boolean_t

Manual Override Alarm Enable.

override.duration

double

Manual Override Duration.

override.expirytime

internaltime

Manual Override Expiry Time.

Controllers can enable and configure the amount of time by which to delay a manual override period expired alarm through the Analog, Status, Multistate, Rate, and Rtstring Control dialog boxes. For further information, refer to the AVEVA Enterprise SCADA RealTime Controller documentation.

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