Mitsubishi Electric Melservo JE Series Instruction Manual page 107

5. PARAMETERS
No. Symbol
PB17 NHF Shaft resonance suppression filter
Set the shaft resonance suppression filter.
Use this parameter 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. When "Manual setting (_ _ _ 1)" is selected, the setting written to the
parameter is used.
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 cannot be used.
Setting
digit
_ _ x x
_ x _ _
x _ _ _
Table 5.4 Shaft resonance suppression filter setting
Setting
value
_ _ 0 0
_ _ 0 1
_ _ 0 2
_ _ 0 3
_ _ 0 4
_ _ 0 5
_ _ 0 6
_ _ 0 7
_ _ 0 8
_ _ 0 9
_ _ 0 A
_ _ 0 B
_ _ 0 C
_ _ 0 D
_ _ 0 E
_ _ 0 F
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
Set 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
_ _ 1 0 562
_ _ 1 1 529
_ _ 1 2 500
_ _ 1 3 473
_ _ 1 4 450
_ _ 1 5 428
_ _ 1 6 409
_ _ 1 7 391
_ _ 1 8 375
_ _ 1 9 360
_ _ 1 A 346
_ _ 1 B 333
_ _ 1 C 321
_ _ 1 D 310
_ _ 1 E 300
_ _ 1 F 290
5 - 22
Initial
Setting
value
range
[unit]
Refer to the
"Name and
function" column.
Initial
value
00h
0h
0h
3141 100 to
18000
[rad/s]