Mitsubishi Electric MELSERVO-J4 Instruction Manual page 289

7. PARAMETERS
No./ Setting
symbol/name digit
PB16 Set forms of the machine resonance suppression filter 2.
NHQ2
_ _ _ x Machine resonance suppression filter 2 selection
Notch shape
0: Disabled
selection 2
1: Enabled
_ _ x _ Notch depth selection
0: -40 dB
1: -14 dB
2: -8 dB
3: -4 dB
_ x _ _ Notch width selection
0: α = 2
1: α = 3
2: α = 4
3: α = 5
x _ _ _ For manufacturer setting
PB17 Set the shaft resonance suppression filter.
NHF This is used to suppress a low-frequency machine vibration.
Shaft When you select "Automatic setting (_ _ _ 0)" of "Shaft resonance suppression filter selection" in [Pr. PB23], the value
resonance will be calculated automatically from the servo motor you use and load to motor inertia ratio. It will not be automatically
suppression calculated for the liner servo motor. Set manually for "Manual setting (_ _ _ 1)".
filter
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.
_ _ x x Shaft resonance suppression filter setting frequency selection
Refer to table 7.5 for settings.
Set the value closest to the frequency you need.
_ x _ _ Notch depth selection
0: -40 dB
1: -14 dB
2: -8 dB
3: -4 dB
x _ _ _ For manufacturer setting
Table 7.5 Shaft resonance suppression filter setting
Setting
value
frequency selection
Frequency [Hz]
00 Disabled
01 Disabled
02 4500
03 3000
04 2250
05 1800
06 1500
07 1285
08 1125
09 1000
0A 900
0B 818
0C 750
0D 692
0E 642
0F 600
Function
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
7 - 32
Initial
Control mode
value
CP CL PS
[unit]
0h
0h
0h
0h
00h
0h
0h