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3. In the Param window, click the Operator pull-down menu in the left column and
select Manufacturer.
4. Check the Axis Direction(X) value.
o 1: positive direction
o -1: negative direction
5. In Manual mode, click the X+ button to move the X axis. Check to see if the X axis
moves in the positive direction as determined by the right-hand rule.
o Yes: the axis direction is correct.
o No: Reverse the current Axis Direction(X) value.
3.6 Go to Mechanical Origin or Set Datum
Select one from the following two operations based on the encoder type:
Make the axes go to the mechanical origin: Applicable to incremental encoders
Set datum: Applicable to absolute encoders
Before making the axes go to the mechanical origin or setting datum, ensure that there is
no drive or motor alarm.
3.6.1 Making Axes Go to Mechanical Origin
The mechanical coordinate system is the inherent coordinate system of the machine itself.
The origin of the mechanical coordinate system is called mechanical origin or reference
point. The position of the mechanical origin/reference point is determined and fixed during
the design and debugging stages before being shipped out of factory for delivery. If you
are using an incremental encoder, you need to make the axes go to the mechanical origin
every time the machining system is restarted before starting machining to calibrate the
coordinates for more accurate machining.
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