Programming manual.
CNC 8070
11.
GEOMETRY ASSISTANCE
Work zones.
·220·
(REF: 1709)
Programming. Set circular limits of a zone.
Program function G123 and then the zone number and its dimensions.
Programming format.
The programming format is the following; the arguments appear between curly brackets.
G123 K{zone} X..C{center} X..C{center} R{radius}
Name of the axis and zone limit.
The zone limit may be defined in any two axes of the channel, in machine coordinates.
Considerations.
• Setting the limits of a zone cancels the limits set before in that zone. The circular limits
cancel the linear or circular limits set before in the 2 axes involved. The linear limits (G120
or G121) on an axis cancel the existing linear limits on that axis or the existing circular
limits on that axis or on the other axis that defined the circular zone.
• It is possible to combine in a zone circular limits on 2 axes with linear limits on other two
axes.
• The changes programmed in the limits or in the status of the zones interrupt block
preparations.
• For no-entry zones, when repositioning the axes after a tool inspection, the user must
decide the right repositioning order (sequence) of the axes so as not to invade the zone.
In any case, during repositioning, the CNC will issue an error message before entering
the forbidden zone.
Properties of the function and Influence of the reset, turning the
CNC off and of the M30 function.
Functions G120, G121 and G123 are modal. On power-up, after executing an M02 or M30,
and after a reset, the CNC keeps the set limits.
K{zone} Zone number (between 1 and 5).
X..C{center} Center coordinates in the two axes that define the circle, in machine coordinates.
Units: Millimeters, inches or degrees.
R{radius} Work zone radius.
Units: mm or inches.
G120 K2 X50 Y30 R20
(Set a circular zone with a 20 radius in the X Y plane)
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