ST_BA_Aggregate

The aggregate structure is used for bidirectional communication between the connected aggregate FB_BA_Aggregate and the plant control FB_BA_PlantControl.

The structure contains the switching values, the plant profile and the current step of the step sequence control.

The plant control receives feedback from the aggregate for the step sequence control.

Syntax

TYPE ST_BA_Aggregate:
STRUCT
  nStep               : UDINT; 
  nPrio               : UDINT;
  nProfile            : UDINT;
  fValue              : REAL;
  nValue              : UDINT;
  bValue              : BOOL;
  bUp                 : BOOL;
  bDown               : BOOL;
  bWatchdog           : BOOL;
  bFdbUp              : BOOL;
  bFdbDown            : BOOL;
END_STRUCT
END_TYPE

Name	Type	Description
nStep	UDINT	Indicates the current step of the step sequence control.
nPrio	UDINT	Shows the active priority of the profile.
nProfile	UDINT	Indicates which profile is active.
fValue	REAL	Transmits the analog switching value to the aggregate.
nValue	UDINT	Transmits the numerical switching value to the aggregate.
bValue	BOOL	Transmits the Boolean switching value to the aggregate.
bUp	BOOL	Indicates that the sequence of the step sequence control is in the rising state.
bDown	BOOL	Indicates that the sequence of the step sequence control is in the falling state.
bWatchdog	BOOL	Bidirectional monitoring of communication between the aggregate and the plant control. If an aggregate is not present within the step sequence control, the step sequence control cannot run into this step.
bFdbUp	BOOL	Feedback "Up" from the respective aggregate to the plant control.
bFdbDown	BOOL	Feedback "Down" of the respective aggregate to the plant control.