This OPC UA Variable, of DataType 0:Boolean, represents the logical state of the BACnet Binary Input object. The logical state of the Input shall be either Inactive or Active.

This OPC UA TwoStateDiscreteType Variable represents the BACnet properties Present_Value, Inactive_Text and Active_Text. The OPC UA VariableType TwoStateDiscreteType is defined in OPC 10000-8. It defines the OPC UA Properties TrueState and FalseState.

The following list provides the BACnet property and the mapping to the corresponding data member in the OPC UA TwoStateDiscrete item.