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5.8 Alarm model ToC Previous Next

5.8.14 Level Alarm ToC Previous Next

5.8.14.1 Overview ToC

A level Alarm is commonly used to report when a limit is exceeded. It typically relates to an instrument – e.g. a temperature meter. The level Alarm becomes active when the observed value is above a high limit or below a low limit.

5.8.14.2 NonExclusiveLevelAlarmType ToC Model

The NonExclusiveLevelAlarmType is a special level Alarm utilized with one or more non-exclusive states. If for example both the High and HighHigh states need to be maintained as active at the same time then an instance of NonExclusiveLevelAlarmType should be used.

The NonExclusiveLevelAlarmType is based on the NonExclusiveLimitAlarmType. It is formally defined in Table 65.

Table 65 – NonExclusiveLevelAlarmType definition

Attribute Value
BrowseName NonExclusiveLevelAlarmType
IsAbstract False

Subtype of the NonExclusiveLimitAlarmType defined in clause 5.8.13.

References NodeClass BrowseName DataType TypeDefinition ModellingRule
           

No additional Properties to the NonExclusiveLimitAlarmType are defined.

5.8.14.3 ExclusiveLevelAlarmType ToC Model

The ExclusiveLevelAlarmType is a special level Alarm utilized with multiple mutually exclusive limits. It is formally defined in Table 66.

Table 66 – ExclusiveLevelAlarmType definition

Attribute Value
BrowseName ExclusiveLevelAlarmType
IsAbstract False

Inherits the Properties of the ExclusiveLimitAlarmType defined in clause 5.8.12.3.

References NodeClass BrowseName DataType TypeDefinition ModellingRule
           

No additional Properties to the ExclusiveLimitAlarmType are defined.

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