CD522Encoder32Bit (FB)

FUNCTION_BLOCK CD522Encoder32Bit EXTENDS AbbLConCA

Function block to access all IO-Values for the 32-Bit-Counter of CD522. This FB is valid to be used with mode 11, 12 and 13

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

CntNum

WORD

0

0 or 1, use of counter 0 or counter 1

EnCnt

BOOL

FALSE

Enable (TRUE) or disable (FALSE) the counter function of the module

EnTouch

BOOL

FALSE

Enable (TRUE) or disable (FALSE) the touch/catch function of the module

EdgeTouch

BOOL

FALSE

Select positive (TRUE) or negative (FALSE) edge for touch

EnRpi

BOOL

FALSE

Enable TRUE) reference point indication function of the module

Reset

BOOL

FALSE

Reset current counter value

SetStart

BOOL

FALSE

Set start counter value

SetEnd

BOOL

FALSE

Set end counter value

StartValue

DINT

0

32 bit start counter value

EndValue

DINT

0

32 bit end counter value

AdrIn

POINTER TO WORD

0

Address of process image input. See ../Structs/CD522In for more information about structure

AdrOut

POINTER TO WORD

0

Address of process image output. See ../Structs/CD522Out for more information about structure

Output

ErrorID

ERROR_ID

ERROR_ID.NO_ERROR

Error code description

Act

DINT

0

32 bit current counter value

Cf

BOOL

FALSE

Carry Flag is set when end counter value is reached

RdyTouch

BOOL

FALSE

Set to TRUE when new touch value is available. To delete RdyTouch set EnTouch to FALSE. To allow a new Touch/Catch, set EnTouch to TRUE again

RdyRpi

BOOL

FALSE

Set to TRUE when RPI was executed

Ofl

BOOL

FALSE

Set to TRUE when counter overflow (Passing value: 16#80000000)

SetIn

BOOL

FALSE

Set signal detected

ResetIn

BOOL

FALSE

Reset signal detected

CntTouch

DINT

0

32 bit touch counter value