Mitsubishi FREQROL-SFJ Maintenance Manual page 49

Ac spindle drive
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Parameter
31 TSP
Motor max- The maximum speed of motor is set. 1 - 3276
32 ZSP
Zero speed Speed at which "zero speed" signal 1 - lOOO(rpmj
33 CSN
tion time
constant
34 SDT
Speed
detection
ratio
35 TLM
Torque
limit
36 VKP
Speed ioop Proportional gain is set for
t i o n a l
gain
37 VKI
Speed loop Integral gain is set for speed
control
integral
gain
Position
loop con-
trol II IPJ'!
type
Description
is output is set.
Standard
setting:
Time for acceleration to reference 2 - 3276
speed is set (invalid for position
loop control).
Standard setting: 30
(300 for parameter setting on
NC display)
Speed at which "speed detect"
signal is output is set in terms
of percentage to motor maximum
speed.
Standard setting: 10
Torque limit ratio is set in
terms of percentage to input
torque limit.
Standard setting: 10
speed control loop.
The larger the setting (about 100
sponse, but the larger is the
noise/vibration.
Standard setting: 63
control loop.
It should be set so that its
ratio to proportional gain VK? is
almost constant.
Standard setting: 60
Setting is made for transition
from "speed control loop" to
"position control loop".
0: Position control loop "IN"
after spindle orientation
1: Position control loop ,l;N1l
at the time control loop mode
(uni > f
For parameter
setting on NC
display
10 - 32760(rpm
50
For parameter
setting on NC
display
20 - 32760msec
Decimal nota-
tion
range

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