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3 MOTION DEDICATED PLC INSTRUCTION
[Operation Example under G01]
When a speed change is made to negative speed during positioning to P2 in the N2
block as shown above, the axis returns to P1 along the track specified in the program
and stands by at P1.
(1) A speed change to negative speed is invalid (ignored), even if it is made again
during the standby after returning to P1.
.
(2) The start accept flag (M2001+n) remains ON during the standby in P1.Turn on the
stop command to end the positioning at this point.
(3) A speed change to negative speed is ignored if it is made during stop by the
waiting for FIN using the M-code FIN signal waiting function in the constant-speed
control.
O10;
G90;
N1 G01 X10000. Y0 F1000. ;
N2 Y10000. ;
N3 X10000. ;
M02;
%
Stat request SVST
Start accept M2001+n
Speed change request
CHGV
Change speed
Combined speed
-1000
1000
Waiting at P1
Return operation to point P1
Command in-position
(OFF)
Speed change "0"
accepting flag
Negative speed change
P1
P2
P3
X-axis
Y-axis
Starting point
[ Motion program ]
Locus
N3
N1
N2