8. Spindle Parameters
8.2 MDS-B-SPJ2
II - 216
8.2 MDS-B-SPJ2
For parameters marked with a (PR) in the tables, turn the NC power OFF after setting. The parameters will be
valid after the power is turned ON again.
The valid spindle parameters will differ according to the motor and amplifier type. Follow the correspondence
table given below, and set the correct parameters.
The spindle parameter setting and display method will differ according to the NC being used, so refer to
Instruction Manual for each NC and the following spindles.
MELDAS AC Servo and Spindle MDS-A Series MDS-B Series Specifications Manual ... BNP-B3759
The "fixed control constants" and "fixed control bits" in this section are set by Mitsubishi.
!
CAUTION
!
Do not make remarkable adjustments or changes of the parameters as the operation may
become unstable.
!
In the explanation on bits, set all bits not used, including blank bits, to “0”.
No. Items
Details
Setting
range
Standard
setting
3201 SP001
PGM Magnetic
detector and
motor built-
in encoder
orientation-
mode position
loop gain
As the set value is larger, the orientation time
becomes shorter and servo rigidity is
increased.
On the contrary, however, vibration is
increased and the machine becomes likely
to overshoot.
0 to 1000
(0.1 1/s)
100
3202 SP002
PGE Encoder
orientation-mo
de position
loop gain
As the set value is larger, the orientation time
becomes shorter and servo rigidity is
increased.
On the contrary, however, vibration is
increased and the machine becomes likely
to overshoot.
0 to 1000
(0.1 1/s)
100
3203
SP003
Not used. Set to "0".
0 0
3204 SP004
OINP Orientation
in-position
width
Set the position error range in which an
orientation completion signal is output.
1 to 2880
(1/16°)
16
3205
(PR)
SP005 OSP
Orientation
mode
changing
speed limit
value
Set the motor speed limit value to be used
when the speed loop is changed to the
position loop in orientation mode.
When this parameter is set to "0", SP017
(TSP) becomes the limit value.
0 to 32767
(r/min)
0
3206 SP006
CSP Orientation
mode dece-
leration rate
As the set value is larger, the orientation time
becomes shorter. On the contrary, however,
the machine becomes likely to overshoot.
1 to 1000
20
3207 SP007
OPST In-position
shift amount
for orientation
Set the stop position for orientation.
Set the value by dividing 360° by 4096.
0 to 4095
0
3208
SP008
Not used. Set to "0".
0
0
3209 SP009
PGT Synchronous
tapping
position loop
gain
Set the spindle position loop gain in
synchronous tapping mode.
1 to 100
(1/s)
15
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