25 DigitalValueType
25.1 DigitalValueType definition
The DigitalValueType VariableType is used for the digital inputs and digital outputs of the mould and provides the digital values along with meta information. The DigitalValueType is formally defined in Table 37.
| Attribute | Value | ||||
| BrowseName | DigitalValueType | ||||
| IsAbstract | False | ||||
| ValueRank | Scalar | ||||
| DataType | 0:Boolean | ||||
| References | Node Class | BrowseName | DataType | TypeDefinition | Other |
|---|---|---|---|---|---|
| Subtype of 0:BaseDataVariableType defined in OPC 10000-5 | |||||
| 0:HasProperty | Variable | SignalTag | 0:String | 0:PropertyType | M |
| Conformance Units | |||||
|---|---|---|---|---|---|
For further information regarding the name and description of the Digital input or output, the Node Attributes DisplayName and Description shall be used.
25.2 SignalTag
The SignalTag is defined by IRDI as: ABB271#007 which states "defines alphanumeric character sequence uniquely identifying a measuring or control point."
Note: The SignalTag description is the same as in the SignalType of OPC 30081: Process Automation Devices - PADIM without direct reference in this specification.