The ModellingRule OptionalPlaceholder is defined in OPC 10000-3. Its representation in the AddressSpace, the “OptionalPlaceholder” Object, is formally defined in Table 92.
Table 92 – OptionalPlaceholder Definition
|
Attribute |
Value |
|||
|
BrowseName |
OptionalPlaceholder |
|||
|
References |
NodeClass |
BrowseName |
Comment |
|
|
HasTypeDefinition |
ObjectType |
ModellingRuleType |
Defined in 6.5 |
|
|
HasProperty |
Variable |
NamingRule |
Value set to “Constraint” |
|