MC_READPARAMETER

Function Description

The MC_READPARAMETER function is used to read, via Service Data Object (SDO) messaging, a variable in the servodrive defined by the AXIS parameter.

Representation in FBD

Representation:

Representation in LD

Representation:

Representation in IL

Representation:

LD Axis

CAL MC_READPARAMETER_Instance (AXIS:=AXIS, EXECUTE:=EXEC, PARAMETERNUMBER:=PN, SUBINDEX:=SI, ERROR=>ERR, DONE=>DO, BUSY=>B, ERRORID=>ERRID, VALUE=>X, LENGTH=>L)

Representation in ST

Representation:

MC_READPARAMETER_Instance (AXIS:=AXIS, EXECUTE:=EXEC, PARAMETERNUMBER:=PN, SUBINDEX:=SI, ERROR=>ERR, DONE=>DO, BUSY=>B, ERRORID=>ERRID, VALUE=>X, LENGTH=>L);

Description of the Input Parameters

The following table describes the input parameters that are in addition to the basic parameters:

Parameter	Type	Comment
PARAMETERNUMBER	UINT	CANopen index number.
SUBINDEX	UINT	CANopen subindex number.

Description of the Output Parameters

The following table describes the output parameters that are in addition to the basic parameters:

Parameter	Type	Comment
VALUE	DINT	Value read.
LENGTH	UINT	Length in bytes of the value read.