MC_CAM_REF (FB)¶

FUNCTION_BLOCK MC_CAM_REF

This function block represents a generic cam.

InOut:

Scope	Name	Type	Initial	Comment
Input	wCamStructID	WORD	16#DC34	By means of this variable, which always has a constant value, MC_CamTableSelect checks if the entered data structure is of type MC_CAM_REF.
	byType	SMC_CAM_TYPE		Describes the cam type, that is the way in which the cam is represented.
	byVarType	BYTE		Defines the type of variables that enter in the curve table. Only used for byType SMC_CAM_TYPE.X or SMC_CAM_TYPE.XY 0: <unused> 1: INT 2: UINT 3: DINT 4: UDINT 5: REAL 6: LREAL
	xStart	LREAL		Start position of the master defining the range of master values available
	xEnd	LREAL		End position of the master defining the range of master values available.
	nElements	INT		Number of elements that is depending on cam type the number of slave positions, master/slave positions or XYVA points.
	nMaxElements	INT	-1
	nTappets	INT		Number of tappet switch actions.
	pce	POINTER TO BYTE		Pointer to actual data element which type depends on byType: POLY: pce points to an array of |SMC_CAMElement| X: pce points to SMC_CAMTable_..._1 e.g.: SMC_CAMTable_LREAL_128_1 XY: pce points to SMC_CAMTable_..._2 e.g.: SMC_CAMTable_UDINT_256_2 XYVA: pce points to an array of SMC_CAMXYVA
	pt	POINTER TO SMC_CAMTappet
	dwTappetActiveBits	DWORD		Internal variable
	strCAMName	STRING
	byInterpolationQuality	BYTE	1	1: Linear interpolation, 3: Cubic interpolation
	byCompatibilityMode	BYTE		Compatibility mode: Bit0: TRUE: Periodic execution of tables with master width
	xPartofLM	BOOL		TRUE: Generated by programming system -> maintained by managers.