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4 result(s) for TwoStateVariableType

• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.2 Two-state state machines
  defined in this document are simple - i.e. they are either True or False. The TwoStateVariableType is introduced specifically for this use case. More complex states are modelled by using ... StateMachineType defined in 10000-16 . The TwoStateVariableType is derived from the StateVariableType defined in 10000-16 . and formally defined in Table 1 . Table 1 - TwoStateVariableType definition Attribute Value BrowseName TwoStateVariableType
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.4.1 General
  those already specified as part of 10000-3 and 10000-5 . This includes extending TwoStateVariableType state machines with sub states and the addition of Alarm grouping. TwoStateVariableTypes can be extended ... state machines in a similar fashion to the StateMachineType defined in 10000-16 . The TwoStateVariableType References will only exist when sub states are available. For example, if a TwoStateVariableType machine
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.4.2 HasTrueSubState ReferenceType
  Table 3 . The SourceNode of the Reference shall be an instance of a TwoStateVariableType and the TargetNode shall be either an instance of a TwoStateVariableType or an instance
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.4.3 HasFalseSubState ReferenceType
  Table 4 . The SourceNode of the Reference shall be an instance of a TwoStateVariableType and the TargetNode shall be either an instance of a TwoStateVariableType or an instance