CD522FreqScan (FB)

FUNCTION_BLOCK CD522FreqScan EXTENDS AbbLConCA

Function block to access all IO-Values for the frequency measurement of CD522. This FB is valid to be used with mode 15. Maximum input frequency 5 kHz.

InOut:

Scope

Name

Type

Initial

Comment

Input

CntNum

WORD

0

0 or 1, use of counter 0 or counter 1 (Input Z0 or Z1)

EnCnt

BOOL

FALSE

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

En0

BOOL

FALSE

Enables low pulse for measurement

En1

BOOL

FALSE

Enables high pulse for measurement

EnFreq

BOOL

FALSE

Enables frequency (TRUE) / time measurement mode (FALSE). Result in Freq/Rpm (TRUE) or Dur (FALSE). Maximum input frequency 5 kHz

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

New

BOOL

FALSE

New value available

Dur

DWORD

0

Duration (Time in micro seconds)

Freq

WORD

0

Frequency

Rpm

DWORD

0

Rotation per minute