15. Measurement Support Functions
15.5 Speed Change Skip; G31
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(7) If the skip signal is input during the deceleration by the movement command completion, the
speed change will be ignored.
f4
f
Speed
Time
f3
f2
0
Skip signal 4
Skip signal 3
f1
Deceleration section by the movement
command completion
Skip signal 2 (Speed change) : Invalid
Skip signal 1 (Movement stop) : Valid
(8) The skip signal for which the feedrate is not commanded in the program is ignored.
(9) The speed change or the movement stop is performed when detecting the rising edge of the
skip signal. Note that if several rising edges are input at 3.5ms intervals or less, they maybe
judged the simultaneous input. When they are judged the simultaneous input, the smaller
value will be valid.
f4
f
Speed
Time
f3
f2
0
Skip signal 3 + Skip signal 4
f1
Skip signal 1
Time
Skip signal 2
Skip signal 4
Skip signal 3
Skip signal 2
Skip signal 1