Installation manual
CNC 8060
CNC 8065
MACHINE PARAMETERS.
2.
(REF: 1402)
·97·
General machine parameters. Execution channels.
the value set by the machine parameter. If the variable takes the value of ·0·, the CNC does
not apply any jerk limit on the tool path, not even the one set by machine parameter.
MAXIMUM FREQUENCY ON THE TOOL PATH.
MAXFREQ
Maximum frequency generated on the machining path.
Possible values: From 0 to 500 Hz
Default value: 0.
Associated variable: (V.)[ch].MPG.MAXFREQ
This parameter may be used to set the parameters the damping (smoothing) filter for
machining in G5. This filter improves the machining of CAD parts without having to activate
the HSC feature. This parameter must be set using the FineTune application.
"RETRACE" FUNCTION.
RETRACAC
Permit enabling the "retrace" function.
Possible values: Yes / No.
Default value: No.
Associated variable: (V.)[ch].MPG.RETRACAC
This parameter indicates whether the "retrace" function may be used at the CNC or not. Once
the "retrace" function is permitted, it may be activated from the PLC using the RETRACE
mark.
NRETBLK
Maximum number of blocks allowed for the "retrace" function.
Possible values: From 0 to 300.
Default value: 75.
Associated variable: (V.)[ch].MPG.NRETBLK
This parameter sets the maximum number of blocks that may be retraced (executed
backwards) with the "retrace" function. Once the CNC has retraced all the blocks, it goes
on executing forward.
It is recommended not to increase the value of this parameter unnecessarily. In order to be
able to execute the "retrace" function, the CNC stores the information of the last blocks
executed. The higher the value assigned to this parameter, the greater the information the
CNC must store.
RETMFUNC
Treatment of the M functions with the "retrace" function.
Possible values: Ignore / Cancel.
Default value: Ignore.
Associated variable: (V.)[ch].MPG.RETMFUNC
This parameter sets the behavior of the "retrace" function when executing M functions. When
the CNC finds an M function, it can either ignore it and keep executing blocks in retrace or
cancel the "retrace" function.
This parameter does not affect the following "M" functions.
• Functions M00 and M01 are always executed; they are sent to the PLC and [CYCLE
START] must be pressed to resume execution in retrace.
• Functions M03 and M04 are always ignored; the CNC does not start the spindle nor does
it change its turning direction.
• Function M05 only cancels the retrace function if it implies stopping the spindle; in other
words, if the spindle is not running, an M05 function does not cancel the retrace function.
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