The MessageConditions represent text messages (incl. error messages) of the control system currently shown on the screen of the machine. The MessageConditionType is formally defined in Table 57.
Table 57 – MessageConditionType Definition
|
Attribute |
Value |
||||
|
BrowseName |
MessageConditionType |
||||
|
IsAbstract |
False |
||||
|
References |
Node Class |
BrowseName |
DataType |
TypeDefinition |
Other |
|
Subtype of 0:AlarmConditionType defined in OPC UA Part 9 |
|||||
|
0:HasProperty |
Variable |
Id |
0:String |
0:PropertyType |
M, RO |
|
0:HasProperty |
Variable |
Classification |
0:Enumeration |
0:PropertyType |
M, RO |
|
0:HasProperty |
Variable |
IsStandstillMessage |
0:Boolean |
0:PropertyType |
M, RO |
Id: Id of the message
Classification: Classification of the message. The valid values of the Enumeration are specified in the specific Companion Specification (e.g. IMMMessageClassificationEnumeration in OPC 40077).
IsStandstillMessage: Indication if the message has led to a standstill.
NOTE: The AlarmConditionType is a subtype of BaseEventType and therefore includes the Properties Severity and Message (= text).