9 Coordinate Systems, Plane Selection
Xp=X or an axis parallel to X, Yp=Y or an axis parallel to Y, Zp=Z or an axis parallel to Z.
The selected plane is referred to as "main plane".
The particular one of the parallel axes will be selected (by instruction G17, G18 or G19) depending on the axis addresses programmed in a given block:
When X and U, Y and V, Z and W are parallel axes: the XY plane will be selected by G17 X_Y_, the XV plane will be selected by G17 X_V_, the UV plane will be selected by G17 U_V_, the XW plane will be selected by G18 X_W_, the YZ plane will be selected by G19 Y_Z_, the VZ plane will be selected by G19 V_Z_.
Unless G17, G18, G19 is specified in a block, the selected plane remains unchanged:
G17 X____ Y____ plane XY
U____ Y____ plane XY remains.
Unless there is an axis address specified in the G17, G18, G19 block, the control will consider the basic axes:
the XY plane will be selected by G17, the XY plane will be selected by G17 X, the UY plane will be selected by G17 U, the XV plane will be selected by G17 V, the ZX plane will be selected by G18, the WX plane will be selected by G18 W.
The selected plane is unaffected by the movement command:
(G90) G17 G00 Z100
will select the XY plane, moving the Z axis to the point of coordinate 100.
After
CODES.
The main plane can be selected more times in the same program.
Address U, V, W can be selected as a parallel in parameters.
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