Fagor CNC 8060 - Page 133

Installation manual
CNC 8060
CNC 8065
MACHINE PARAMETERS.
2.
(REF: 1402)
·133·
Machine parameters for the axes. Work sets.
when defining the number of pulses per turn. With linear encoders (scales), set NPULSES2
= 0.
If parameters NPULSES and NPULSES2 are set with a value other than ·0·, parameter
REFINI determines whether the CNC homes the spindle on its first movement or not.
SINMAGNI
Multiplying factor for sinusoidal feedback signal.
Parameter valid for linear and rotary axes and spindles.
Parameter valid for analog drives and simulated drives.
Possible values: From 0 to 255.
Default value: 0.
Associated variable: (V.)[ch].MPA.SINMAGNI[set].xn
This parameter indicates the multiplying factor applied to the sinewave feedback of the axis.
For square feedback signals, set SINMAGNI = 0; the CNC always applies a x4 factor.
Parameters SINMAGNI, PITCH and NPULSES set the axis feedback resolution as shown
in the table below.
ABSFEEDBACK
Absolute feedback system.
Parameter valid for linear and rotary axes and spindles.
Parameter valid for analog drive, Sercos and simulated.
Possible values: Yes / No.
Default value: No.
Associated variable: (V.)[ch].MPA.ABSFEEDBACK[set].xn
This parameter indicates whether the axis uses absolute feedback or not. With this system,
the axis is considered to be homed right on power-up and no movement is generated when
programming a home search. The PLC mark REFPOIN is always active.
FBACKAL
Activate feedback alarm.
Parameter valid for linear and rotary axes and spindles.
Parameter valid for an analog drive.
Possible values: Yes / No.
Default value: Yes.
Associated variable: (V.)[ch].MPA.FBACKAL[set].xn
This parameter may be used to activate the feedback alarm. This alarm can tell the difference
between the feedback cables being disconnected or broken for differential TTL signals and
sinusoidal signals.
When a feedback alarm occurs, the PLC turns the REFPOIN mark off.
Type of encoder. PITCH NPULSES SINMAGNI
Rotary axis.
Rotary encoder.
Square signals.
Rotation of the axis
per turn of the encoder
Number of pulses. 0
Rotary axis.
Rotary encoder.
Sinusoidal signals.
Rotation of the axis
per turn of the encoder
Number of pulses. Multiplying factor.
Linear axis.
Rotary encoder.
Square signals.
Leadscrew pitch. Number of pulses. 0
Linear axis.
Rotary encoder.
Sinusoidal signals.
Leadscrew pitch. Number of pulses. Multiplying factor.
Linear encoder.
Square signals.
Pitch of encoder. 0 0
Linear encoder.
Sinusoidal signals.
Pitch of encoder. 0 Multiplying factor.