Lenze PLC Designer PLC-Designer (R2-x) SoftMotion - Manual (Page 31)

DMS 5.2 EN 03/2011 TD17
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L-force | PLC Designer - SoftMotion
The SoftMotion drive interface
SM_DriveBasic.lib and automatic code generation
3.2.3 Configuration blocks
3.2.3.1 SMC_ChangeGearingRatio
By means of this POU the IEC program can change the gearbox ratio and the drive type for
the runtime.
Inputs/outputs (VAR_IN_OUT)
Axis : AXIS_REF
Drive the gearbox ratio of which is to be changed.
Inputs (VAR_INPUT)
bExecute: BOOL
The program organisation unit is activated with a rising edge.
dwRatioTechUnitsDenom : DWORD
iRatioTechUnitsNum: DWORD
Conversion ratio between SoftMotion unit and increments
fPositionPeriod: LREAL
Position period, modulo value (for rotary drives only)
iMovementType: INT
0: rotary axis / 1: linear axis.

Note!
After the execution of this POU the axis group should be restarted via
SMC_ResetAxisGroup (bKeepRatioSettings = TRUE), as only like this it can be
ensured that all variables are initialised correctly!