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This property specifies the conversion factor between the user position units and the internal units [counts]. Additional properties are used to set the velocity (VFAC), acceleration (AFAC) and jerk (JFAC) conversion factors. The position units for external feedback (load feedback) are set using the POSITIONEXTERNALFACTOR axis property.
<axis>.PositionFactor = <expression>
Greater than zero
65536 (for working in units of revolutions with resolver feedback)
Configuration, Task or Terminal
- Cannot be changed while axis is enabled.
- Cannot be changed while axis is set as a master axis.
- To set the value within a task, the axis must be attached to that task (using the ATTACH command).
If the encoder resolution is 1024 lines per revolution, the PFAC is set as:
- Xaxis.pfac = 1024 × 4
The factor of 4 is for quadrature