Automatic Return-To-Reference Point (G28); Skip Function (G31) - YASKAWA MOTIONPACK-110 Descriptive Information

4.2.9 AUTOMATIC RETURN-TO-REFERENCE POINT (G28) (Cont'd)
(c) However, the high speed reference point return is enabled after a manual return to the
reference point is made after power on or after completion of normal reference point
return Operation for all axes by using the G28 command. If G28 command is given
abruptly with the high speed reference point return specifications after power on,
• automatic reference ponlt return operation is performed only at the first time.
(d) When high speed reference point return specifications are made, a return can be made
to the reference point even if the starting position is beyond the area where reference
point return is enabled.
4.2.10 SKIP FUNCTION (G31)
(1)IG31 X---Y--. Z---F--.; I
With this command, a special linear interpolation is executed as follows:
When a skip signal (SKIP) is turned ON/OFF during this interpolation, the machine
decelerates and stops, the remaining motion is neglected and omitted, and the program
advances to •the next block. In other command except for G31, ON/OFF operation of
the skip signal is ignored.
!10m,_! .STARTED MACHINE
SKIP [_fDECELERATION AND STOP
STARTED MACHINE
DECELERATION AND STOP
SKIP
(2) G31 is a non-modal function and effective for block commanded.
(Program example)
N100 G90 G31 X100.0 Y50.0 F300;
N200 G01 X80.0 Y15.0;
SKIP SIGNAL
RECEIVED HERE.
_-_ : ACTUAL MOTION
Y
.... _ : MOTION WITHOUT SKIP SIGNAL
(50,20}
(80,15)
-- x
Fig. 4.13
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