Introduction
This example is describing how to create a notification of trip for GT11 at Panglima power station. This notification will detect drop of turbine power under 5MW and set a flag of "GT11 no power". The change of flag will trigger a notification script.
How does it works
For E-PMS notification system method of status flags has been chosen. The E-PMS Notification System is Designed as follows:
- For monitored process value event is defined
- Activation of the Event set a digital tag representing its status
- Change od status is triggering notification script
EVENT_TG2_GT11_POWER_LOST - Event triggered by the tag 11MBY10CE901&XQ01 going below certain level
STATUS_TG2_GT11_NO_POWER - STATUS flag set by the EVENT_TG2_GT11_POWER_LOST and stays set until conditions of event are present
NOTIFICATION_TG2_GT11_NO_POWER - NOTIFICATION script is called once STATUS change is detected
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Open the "Device Manager" at Reliance SCADA system
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Add an event called: EVENT_TG2_GT11_POWER_LOST
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Define EVENT parameters
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Tag Name
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Event description
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Process tag which is being evaluated
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Type of evaluation and range of the values
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Define Status Flag STATUS_TG2_GT11_NO_POWER
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Tag name
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Bool type
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Visibility on OPC UA server
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Set STATUS flag STATUS_TG2_GT11_NO_POWER by the event
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Open Script Manager in order to add email notification script
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Script is triggered by the change of Status Flag STATUS_TG2_GT11_NO_POWER
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Please note that errors in the scripts will stop it's executions
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