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7 OPERATION CONTROL PROGRAMS
POINT
(1) A speed change may be invalid if it is made from when a servo program start
request is made until the "positioning start completion signal" status changes to
ON. When making a speed change at almost the same timing as a start,
always create a program which will execute the speed change after the
"positioning start completion signal" has turned ON.
(2) A return request, which is made while the axis is at a stop waiting for FIN using
the M code FIN signal waiting function during constant-speed control, will be
ignored.
(3) In the above example, if a return request is given right before P2 and the axis
passes through P2 during deceleration, the axis will return to P2.
(4) There will be a delay of time equivalent to an operation cycle at the maximum
in the response time from when the CHGV instruction is executed until the
speed begins to change actually.
P1
P2
P3
Axis 1
Axis 2
Starting point
Return request was
given here.