MC_ReadAxisComponents
The function block MC_ReadAxisComponents is used to read information about the elements of an axis as encoder, drive and controller.
Note: "Axis" is referencing the TwinCAT NC axis parameters in this case, not the drive!
VAR_INPUT
VAR_INPUT
Execute : BOOL;
END_VAR
Execute : The command is executed with rising edge.
VAR_OUTPUT
VAR_OUTPUT
Done : BOOL;
Busy : BOOL;
Error : BOOL;
ErrorID : UDINT;
END_VAR
Done : Becomes TRUE, if the states were determined successfully.
Busy : Becomes TRUE, as soon as the block is active. Busy becomes TRUE with a rising edge at Execute and becomes FALSE again after the block finished or aborted its operation. A rising edge at Execute will then be accepted.
Error: Becomes TRUE, as soon as an error occurs.
ErrorID : Supplies the error number when the Error output is set.
VAR_IN_OUT
VAR_IN_OUT
Parameter : ST_AxisParameterSet;
Axis : NCTOPLC_AXLESTRUCT;
END_VAR
AxisComponents : axis parameter set of data type ST_AxisComponents.
Axis : Axis structure.
Requirements
Development environment | Target system type | PLC libraries to be linked |
|---|---|---|
TwinCAT v2.10 Build 1251 | PC (i386) | TcMC.Lib |