Digital Alarm Tag

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  5. Digital Alarm Tag

Introduction

The Digital Alarm Tag represents digital alarm. This tag raises an alarm when the associated Digital Tag is in a defined state.

Configuration Properties

The Digital Alarm Tag supports the configuration properties of the Alarm Tag plus these properties:

Property Type Version Description
SourceTag Reference 1.5 The source tag for this alarm.
AlarmState BOOL 1.5 Defines the source tag state that results in an alarm.
AlarmMessage STRING 1.5 The text to display in the message of the alarm.
AlarmSeverity UINT 1.5 The severity of the alarm (1 - 1000).

Dynamic Properties

The Digital Alarm Tag supports these dynamic properties:

Property Type Version Description
SourceTagValue BOOL 1.5 The value of the source tag.

Tag Commands

The Digital Alarm Tag supports the tag commands of the Alarm Tag.

Relationships to Other Tag Types

The Digital Alarm Tag builds on the features of these tag types:

Further Information

Alarm Handling

To learn about alarm management.

Core Driver

To learn about the Core Data Driver.

Glossary

For the meaning of terms used in Fernhill SCADA.