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3 result(s) for Guards

• OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines
  4.6.2 ChoiceStateType
  ChoiceStateType represents a pseudo state that is directly exited when it is entered. The Guards defined on the Transitions from the ChoiceState determine which Transition is used. The Guards shall ... specific ElseGuardVariableType can be used, which is only "true" if all other Guards on a ChoiceState are "false". If several Guards are "true", only
• OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines
  4.6.3 HasGuard
  used, if the Guard is "True". A Transition can point to several Guards . In that case, all Guards need to be "True" before the Transition ... there is no Guard , the Transition can always be used (considered as if all Guards are "True"). The SourceNode of this ReferenceType shall be an Object
• OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines
  4.6.6 ElseGuardVariableType
  Transition references an instance of an ElseGuardVariableType , it shall not reference any other Guards . The semantic of the ElseGuardVariableType is, that if a pseudo state is reached and no other ... Transition exists on the State where all its Guards are validated to "True", this Guards validates to "True" and thus its Transition is used. The ElseGuardVariableType