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8. Spindle Parameters
8.2 MDS-B-SPJ2
194
No. Items Details
Setting
range
Standard
setting
3377
(PR)
SP177 SPECS Spindle
synchronous
specifica-
tions
Set the spindle synchronous specifications in
bit units.
0000 to
FFFF
HEX
setting
0000
3378
(PR)
SP178 VGSP Spindle
synchronous
speed loop
gain propor-
tional term
Set the speed loop proportional gain in spindle
synchronization mode.
0 to 1000
(1/s)
63
3379
(PR)
SP179 VGSI Spindle
synchronous
speed loop
gain integral
term
Set the speed loop integral gain in spindle
synchronization mode.
0 to 1000
(0.1 1/s)
60
3380
(PR)
SP180 VGSD Spindle
synchronous
speed loop
gain delay
advance term
Set the speed loop delay advance gain in
spindle synchronization mode.
When this parameter is set to "0", PI control is
exercised.
0 to 1000
(0.1 1/s)
15
3381
(PR)
SP181 VCGS Target value
of variable
speed loop
proportional
gain at spindle
synchroniza-ti
on
Set the magnification of speed loop
proportional gain with respect to SP178
(VGSP) at the maximum speed defined in
SP017 (TSP) at spindle synchronization.
0 to 100
(%)
100
F E D C B A 9 8
odx8
7 6 5 4 3 2 1 0
fdir pyfx fclx
(Note) Always set "0" for the empty bits.
bit Name Meaning when set to 0 Meaning when set to 1
0 fclx Closed loop Semi-closed loop
1
2
3
pyfx Normal excitation Position loop excitation
fixed (strong)
4
5
fdir Position detector
polarity (+)
Position detector
polarity (–)
6
7
8
9
A
B
C
D
odx8 Magnification of
excessive error width ×
8 times invalid
Magnification of
excessive error width ×
8 times valid
E
F