·84·
Programming manual
CNC 8055
CNC 8055i
5.
ISO CODE PROGRAMMING
·M· & ·EN· MODELS
SOFT: V02.2X
Auxiliary function (M)
5.7.9 M45. Auxiliary spindle / Live tool
In order to use this miscellaneous function, it is necessary to set one of the axes of the machine
as auxiliary spindle or live tool (general machine parameter P0 thru P7).
To use the auxiliary spindle or live tool, execute the command: M45 S±5.5 where S indicates the
turning speed in rpm and the sign indicates the turning direction.
The CNC will output the velocity command corresponding to the selected speed according to the
value assigned to the machine parameter "MAXSPEED" for the auxiliary spindle.
To stop the auxiliary spindle, program M45 or M45 S0.
Whenever the auxiliary spindle or live tool is active, the CNC will let the PLC know by activating the
general logic output "DM45" (M5548).
Also, it is possible to set the machine parameter for the auxiliary spindle "SPDLOVR" so the Override
keys of the front panel can modify the currently active turning speed of the auxiliary spindle.
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