The HelpOffNormalAlarmTypecan be used by devices, to inform the client about a Conditionthat is considered to be not normal. It is a subtype of the OffNormalAlarmTypedefined in OPC UA Part 9 and adds the Property Helptextto give some additional information to the operator.
Figure 19– HelpOffNormalAlarmType Overview
Table 141– HelpOffNormalAlarmType Definition
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Attribute |
Value |
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BrowseName |
HelpOffNormalAlarmType |
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IsAbstract |
False |
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References |
Node Class |
BrowseName |
DataType |
TypeDefinition |
Other |
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Subtype of 0:OffNormalAlarmTypedefined in OPC UA Part 9 |
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0:HasProperty |
Variable |
HelpText |
0:LocalizedText |
0:PropertyType |
M |
|
0:HasSubtype |
ObjectType |
MonitoredParameterAlarmType |
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Servers can use the Property HelpTextalso in other server specific alarms which are not derived from OffNormalAlarmType.