E_HVACState

TYPE E_HVACState :
(
  eHVACState_Idle    := 0,
  eHVACState_Active      := 1,
  eHVACState_Error       := 2
);
END_TYPE

This output indicates the current internal state of the block.

eHVACState_Idle: The block has successfully been reset, and is now waiting for selection of the operating mode.
eHVACState_Active: The block is in the active state, which is the normal operating state.
eHVACState_Error: An error has occurred; the block is not executed when in this state.