27 Subtypes of HelpOffNormalAlarmType ToC Previous Next

27.1 HelpOffNormalAlarmType ToC Previous Next

The HelpOffNormalAlarmType can be used by devices, to inform the client about a Condition that is considered to be not normal. It is a subtype of the OffNormalAlarmType defined in OPC UA Part 9 and adds the Property Helptext to give some additional information to the operator.

readme_files/image024.gif Figure 19 – HelpOffNormalAlarmType Overview

Table 141 – HelpOffNormalAlarmType Definition

Attribute Value        
BrowseName HelpOffNormalAlarmType        
IsAbstract False        
References Node Class BrowseName DataType TypeDefinition Other
Subtype of 0:OffNormalAlarmType defined in OPC UA Part 9          
0:HasProperty Variable HelpText 0:LocalizedText 0:PropertyType M
0:HasSubtype ObjectType MonitoredParameterAlarmType      

Servers can use the Property HelpText also in other server specific alarms which are not derived from OffNormalAlarmType.

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