96-8000
M CODES
213
June 1999
When the Through the Spindle Coolant (TSC) is ON, M06 will orient the spindle and move the Z-axis to tool
change position, turn off the TSC pump, purge the coolant from the drawbar, then perform a tool change. TSC
will remain OFF until an M88 is called.
M08 Coolant On
The M08 code will turn on the coolant supply. Note that the M code is performed at the end of a block; so that if
a motion is commanded in the same block, the coolant is turned on after the motion. The low coolant status is
only checked at the start of a program so a low coolant condition will not stop a program which is already
running.
M09 Coolant Off
The M09 code will turn off the coolant supply.
M10 Engage 4th Axis Brake
The M10 code is used to apply the brake to the 4th axis. The brake is normally engaged, so M10 is only
required when M11 is used to release the brake.
M11 activates a relay that releases the brake. M10 deactives this relay, engaging the brake.
M11 Release 4th Axis Brake
The M11 code will "pre-release" the 4th axis brake. This is useful in preventing the delay that otherwise occurs
when a 4th axis is used with a brake and a motion is commanded in that axis. It is not required but, without a
prior M11, there will be a delay in motion in order to release the air.
M12 Engage 5th Axis Brake
The M12 code is used to apply the brake to the 5th axis. The brake is normally engaged, so M12 is only
required when M13 is used to release the brake.
M13 activates a relay that releases the brake. M12 deactives this relay, engaging the brake.
M13 Release 5th Axis Brake
The M13 code will "pre-release" the 5th axis brake. This is useful in preventing the delay that otherwise occurs
when a 5th axis is used with a brake and a motion is commanded in that axis. It is not required but, without a
prior M13, there will be a delay in motion in order to release the air.
M16 Tool Change
The M16 code is used to initiate a tool change. In the present machine configuration, M16 works exactly like
M06.
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