202
96-8000 Rev AC
May 2010
M08
Coolant On / M09 Coolant Off
The M08 code will turn on the optional coolant supply and an M09 code will
turn it off. Also see M34/M35 for optional P-Cool and M88/89 for optional
Through-the-spindle coolant.
NOTE: Coolant status is checked only at the start of a program, so a low
coolant condition will not stop a running program.
M10 Engage 4th Axis Brake/ M11 Release 4th Axis Brake
These codes will apply and release the brake to the optional 4th axis. The
brake is normally engaged, so the M10 command is only required when an
M11 has been used to release the brake.
M12 Engage 5th Axis Brake / M13 Release 5th Axis Brake
These codes will apply and release the brake to the optional 5th axis. The
brake is normally engaged, so the M12 command is only required when an
M13 has been used to release the brake.
M16 Tool Change
This M code behaves the same as M06. However M06 is the preferred method
for commanding tool changes.
M17 Unclamp APC Pallet and Open APC Door/ M18 Clamp Pallet and
Close Door
This M-code is used on vertical machining centers with pallet changers. It is
used as a maintenance/test function only. Pallet changes should be command-
ed with an M50 command only.
M19 Orient Spindle (P and R values are an optional feature)
This code is used to adjust the spindle to a fixed position. However, the spindle
will only orient to the zero position unless equipped with this optional feature
The optional Orient Spindle function allows P and R address codes. For ex
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ample, M19 P270 will orient the spindle to 270 degrees. The R-value allows the
programmer to specify up to four decimal places, for example, M19 R123.4567.
M21-M28 Optional User M Function with
M-Fin
The M codes M21 through M28 are optional for user relays; each M code will
activate one of the optional relays. The Reset button will terminate any opera
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tion that is waiting for a relay-activated accessory to finish. Also see M51-58
and M61-68.
Some or all of the M21-25 (M21-M22 on Toolroom, Office and Mini mills) on the
I/O PCB may be used for factory-installed options. Inspect the relays for exist
-
ing wires to determine which have been used. Contact your dealer for more
details.
M-Code Relays
These outputs can be used to activate probes, auxiliary pumps or clamping de
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