SolarModeTracking (FB)

FUNCTION_BLOCK SolarModeTracking EXTENDS AbbLConCA

This function block represents an operation mode that allows to track the sun based on a calculated sun position.

InOut:

Scope

Name

Type

Initial

Comment

Inherited from

Input

Enable

BOOL

FALSE

A rising edge (Enable = TRUE) starts the operation, the output Busy goes to TRUE. All other inputs are read and considered continuously. A falling edge (Enable = FALSE) aborts the operation. During Aborting the Busy is still TRUE. Afterward all outputs are reset.

AbbLConCA

Output

Busy

BOOL

FALSE

Operation is running (while output Error is FALSE)

AbbLConCA

Error

BOOL

FALSE

Operation is stopped with error (while output Busy is FALSE). This output is TRUE for at least one cycle or until Enable is set to FALSE. The output ErrorID gives more details about the error.

AbbLConCA

Input

PosCalc

REAL

0

2: calculated sun position

PosAct

REAL

0

3: actual solar tracker position

TrackError

REAL

0

4: track error. Configured by the user

FollowOffset

REAL

0

5: follow offset. Configured by the user

Inout

GoToPosRef

BOOL

6: enable movement control block

PosRef

REAL

7: desired position to locate the tracker

Output

ErrorID

ERROR_ID

NO_ERROR

3: error code

Methods:

D_AbortAction

A_StartAction

B_CyclicAction

C_CleaningAction

E_ResetAction

Structure: