Okuma OSP-P20L - Page 338

5238-E P-325
SECTION 14 OTHER FUNCTIONS
2-2-3. Tool Movements and Alarm
Once the chuck barrier is established, it is activated or deactivated by programming the appropriate
M code:
If the cutting tool is commanded to enter inside the barrier while the chuck and/or the tailstock
barrier function is active, an alarm occurs and the machine stops.
Example of Program:
LE33013R0301600050001
[Supplement]
M25 Chuck barrier ON
M24 Chuck barrier OFF
M21 Tailstock barrier ON
M20 Tailstock barrier OFF
1) When power supply to the control is turned ON or when the control is reset, the control is
automatically set in the barrier off mode (M24 and M20 active). If the chuck and the tailstock
barrier functions are required to be active, command M25 and M21.
2) The chuck and tailstock barrier function are active for manual pulse handle mode operation or
jog feed operation.
3) The barrier is modified when new barrier setting data is entered.
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N×××
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N×××
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M25
(M21)
M24
(M20)
Normal machining program
Chuck barrier ON
(Tailstock barrier ON)
Chuck barrier OFF
(Tailstock barrier OFF)
The barrier function is active for the blocks of
commands from the block containing M25
(M21) to the one containing M24 (M20).