7.COORDINATE SYSTEM PROGRAMMING B-63324EN/03
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1 When an axis returns to the reference point by the
manual reference point return function,the zero point
of the local coordinate system of the axis matches
that of the work coordinate system. The same is true
when the following command is issued:
G52 α 0; α:Axis which returns to the reference point
2 The local coordinate system setting does not change
the workpiece and machine coordinate systems.
3 Upon a reset, the local coordinate system is cancelled.
4 If coordinate values are not specified for all axes when
setting a workpiece coordinate system with the G92
command, the local coordinate systems of axes for
which coordinate values were not specified are not
cancelled, but remain unchanged.
5 In cutter compensation, G52 temporarily cancels
offset. However, when an offset vector for cutter
compensation remains (when no movement is
specified with G40), the local coordinate system is
cancelled if even one axis is specified with G52.
6 The G52 command suppresses buffering. By setting
bit 2 (O52) of parameter No. 2409 to 1, G52 changes
into a G code that does not suppress buffering. In
this case, the first move command since the G52
command must be specified in absolute mode.