Fagor CNC 8065 - Page 157

Installation manual
CNC 8060
CNC 8065
MACHINE PARAMETERS.
2.
(REF: 1402)
·157·
Machine parameters for the axes. Work sets.
MODNROT
Module error. Number of turns.
Parameter valid for rotary axes and spindles.
Parameter valid for analog drives, velocity-Sercos drives and simulated drives.
Possible values: From 1 to 32767 turns.
Default value: 1.
Associated variable: (V.)[ch].MPA.MODNROT[set].xn
See machine parameter MODERR.
MODERR
Module error. Number of increments.
Parameter valid for rotary axes and spindles.
Parameter valid for analog drives, velocity-Sercos drives and simulated drives.
Possible values: Within ±32767.
Default value: 0.
Associated variable: (V.)[ch].MPA.MODERR[set].xn
The CNC takes these parameters into consideration only when AXISMODE = Module and
MODCOMP = Yes. These parameters indicate the compensation to be applied to
compensate for an inexact axis resolution. The CNC applies module compensation
throughout the entire revolution.
Parameter MODERR indicates the amount of error to be compensated when the axis has
rotated the revolutions indicated in parameter MODNROT. This correction is necessary, for
example, when using a 1024 line encoder whose parameter has been set to 1000 pulses.
SPINDLE SPEED.
SZERO
Speed considered "0 rpm".
Parameter valid for spindles.
Parameter valid for analog drives and simulated drives.
Possible values: From 0 to 100000 rpm.
Default value: 1.
Associated variable: (V.)[ch].MPA.SZERO[set].xn
This parameter indicates the rpm value below which the spindle is considered to be stopped.
The CNC uses this parameter to switch the spindle to C axis mode and also to accept the
velocity command programmed with SANALOG when the spindle is controlled from the PLC.
This parameter can also be used from the PLC to permit opening the machine doors.
POLARM3
Sign of the velocity command for M3.
Parameter valid for spindles.
Parameter valid for analog drives, velocity-Sercos drives and simulated drives.
Possible values: Positive / Negative.
Default value: Positive.
Associated variable: (V.)[ch].MPA.POLARM3[set].xn
See machine parameter POLARM3.
POLARM4
Sign of the velocity command for M4.
Parameter valid for spindles.
Parameter valid for analog drives, velocity-Sercos drives and simulated drives.
Possible values: Positive / Negative.
Default value: Negative.
Associated variable: (V.)[ch].MPA.POLARM4[set].xn
Parameters POLARM3 and POLARM indicate the direction of the velocity command and,
therefore, the spindle turning direction for functions M3 and M4 respectively.