Mitsubishi Electric MR-J4 Instruction Manual page 166

5. PARAMETERS
No. Symbol
PB17 NHF Shaft resonance suppression filter
This is used for setting the shaft resonance suppression filter.
This is used to suppress a low-frequency machine vibration.
When you select "Automatic setting (_ _ _ 0)" of "Shaft resonance suppression filter selection"
in [Pr. PB23], the value will be calculated automatically from the servo motor you use and load
to motor inertia ratio. It will not automatically calculated for the liner servo motor. Set manually
for "Manual setting (_ _ _ 1)".
When "Shaft resonance suppression filter selection" is "Disabled (_ _ _ 2)" in [Pr. PB23], the
setting value of this parameter will be disabled.
When you select "Enabled (_ _ _ 1)" of "Machine resonance suppression filter 4 selection" in
[Pr. PB49], the shaft resonance suppression filter is not available.
Setting
digit
_ _ x x
_ x _ _
x _ _ _
Table 5.4 Shaft resonance suppression filter setting
Setting
value
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F
PB18 LPF Low-pass filter setting
Set the low-pass filter.
The following shows a relation of a required parameter to this parameter.
[Pr. PB23]
_ _ 0 _ (Initial value)
Shaft resonance suppression filter setting frequency selection
This is used for setting the shaft resonance suppression filter.
Refer to table 5.4 for settings.
Set the value closest to the frequency you need.
Notch depth selection
0: -40 dB
1: -14 dB
2: -8 dB
3: -4 dB
For manufacturer setting
frequency selection
Frequency [Hz]
Disabled
Disabled
4500
3000
2250
1800
1500
1285
1125
1000
900
818
750
692
642
600
[Pr. PB18]
Automatic setting
_ _ 1 _ Setting value
enabled
_ _ 2 _ Setting value
disabled
Name and function
Explanation
Setting
Frequency [Hz]
value
10 562
11 529
12 500
13 473
14 450
15 428
16 409
17 391
18 375
19 360
1A 346
1B 333
1C 321
1D 310
1E 300
1F 290
5 - 25
Initial
Setting
value
range
[unit]
Refer to the
"Name and
function" column.
Initial
value
00h
0h
0h
3141 100 to
18000
[rad/s]