ST_HVACAggregate
TYPE ST_HVACAggregate :
STRUCT
rY_Max : REAL;
rY_Min : REAL;
iAggregateStep : INT;
bBlock : BOOL;
END_STRUCT
END_TYPE
rY_Max: Parameter specification for constant units.
rY_Min: Parameter specification for constant units.
iAggregateStep: Parameter that specifies the step in which the addressed unit should be fixed or should regulate; see bBlock.
bBlock: If bBlock = FALSE, then the addressed unit is fixed in the specified step via iAggregateStep. If bBlock = TRUE, then the control of the addressed unit is released from the off step (0) to the specified step via iAggregateStep.