Mitsubishi FREQROL-SF Troubleshooting Manual page 117

Ac spindle drive
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The effects of four major parameters relating to the
stability of the orientation are listed in the following
table.
Phenomenon
The spindle overruns
when it stops.
The orientation time
is long.
The spindle hunts
when it stops.
(Note 1)
(Note 2)
When the spindle remarkably hunts in the orien-
tation stop state, since the selection of the
mounting direction of the orientation detector
is reversed, correct the selection with the
parameter ORS2 bit 8.
Adjustment
Increase the parameter value.
Do not change the parameter value.
Decrease the parameter value.
Spindle
3
control
3.4
Adjustment
procedure
orientation
circuit

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