Mitsubishi FREQROL-SF, Руководство по устранению неисправностей

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Spindle orientation
control circuit
3.4 Adjustment
Set as follows:
and
4
NG (The motor
, runs when it stops.)
The spindle does not
vibrate when it stops.
Increase PG2 (max.
Increase bits 8 to B (Kp
magnification) and bit C
Decrease CSP (min.
to F (Ki magnification) of
the parameter in the
same ratio.
OK
CSP and PG2 are
determined.
Without increasing
and Ki, the
dle vibrates when it
stops.
Next
step
1. Check that the magnesensor,
magnet, and amplifier are
and 133
not defective.
are determined.
2. Check that the SF-OR or
SF-TL card is defective.
3. Check that the mechanical
NG system backlash is larqe.
Decrease (min.
Decrease OSP
(Note) 1.
2.
When the orientation time is long because the time
period (point b to on which the spindle rotates
at a creep speed, increase OSP and in the man-
ner that the spindle doesn't overrun when it stops.
(The maximum value of the maximum value
of
The parameter bits 0 to 3 (WT selection) are
the compensation gain for delay/advance of bit 4
(control method in servo lock situation).
Increase WT and the temporary servo rigidity in-
creases and the torque against the position devia-
tion decreases.