Function BlockMC_GrpReadParamPLCopen motion iconPipe Network motion icon

This function block reads the value of the specified group parameter.

Figure 7-163: MC_GrpReadParam

Related FunctionClosed A function calculates a result according to the current value of its inputs. A function has no internal data and is not linked to declared instances. Blocks

MC_GrpWriteParam, MC_ErrorDescription

Coordinated Motion, the top-level topic for Coordinated Motion.

Arguments

For more details on how inputs and outputs work, refer to PLCopenClosed A vendor -and product- independent worldwide association active in Industrial Control and aiming at standardizing PLC file formats based on XML Function Blocks - General Rules.

Input

Enable Description If True, then request to read a value from the specified group parameter.
  Data Type BOOL
  Range 0,1
  Unit N/A
  Default
AxesGroupRef Description The axis group that the parameter value will be read from.
  Data Type AXIS_GROUP_REF
  Range N/A
  Unit N/A
  Default
ParamNum Description Currently, only one parameter is supported:
MC_GRP_PARAM_CIRCLE_TOLERANCE: (ID = 2000): The value read will be the axes group circle construction tolerance. See Axes Group Parameters for more information.
  Data Type LREAL
  Range See Axes Group Parameters
  Unit LREAL
  Default

Output

Done Description If True, then the command completed successfully.
  Data Type BOOL
Error Description If True, an error has occurred.
  Data Type BOOL
ErrorID Description Indicates the error if Error output is set to TRUE. See the table in PLCopen Function BlockClosed A function block groups an algorithm and a set of private data. It has inputs and outputs. ErrorID Output.
  Data Type INT
ParamValue Description The value of the group parameter.
  Data Type LREAL

Examples

ST

Inst_MC_GrpReadParam( DoEnable, Group1_ref, MC_GRP_PARAM_CIRCLE_TOLERANCE );       
CircleTolerance := Inst_MC_GrpReadParam.ParamValue;

FBD

FFLD

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