Mitsubishi Electric MELSERVO-J4 MR-J4 A Series - Page 163

5. PARAMETERS
5 - 20

Control
mode
No./symbol/name
Setting
digit
Function
Initial
value
[unit]
PST
Set the shape of the machine resonance suppression filter 2. PB16
NHQ2
Notch shape
selection 2
_ _ _ x Machine resonance suppression filter 2 selection
0: Disabled
1: Enabled
0h
_ _ x _ Notch depth selection
0: -40 dB
1: -14 dB
2: -8 dB
3: -4 dB
0h
_ x _ _ Notch width selection
0: Į = 2
1: Į = 3
2: Į = 4
3: Į = 5
0h
x _ _ _ For manufacturer setting 0h
PB17
NHF
Shaft
resonance
suppression
filter
Set 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. 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.
_ _ x x Shaft resonance suppression filter setting frequency selection
Refer to table 5.5 for settings.
Set the value closest to the frequency you need.
00h
_ x _ _ Notch depth selection
0: -40 dB
1: -14 dB
2: -8 dB
3: -4 dB
0h
x _ _ _ For manufacturer setting 0h
Table 5.5 Shaft resonance suppression filter
setting frequency selection
Setti
ng
valu
e
Frequency [Hz]
Setting
value
Frequency [Hz]
00 Disabled 10 562
01 Disabled 11 529
02 4500 12 500
03 3000 13 473
04 2250 14 450
05 1800 15 428
06 1500 16 409
07 1285 17 391
08 1125 18 375
09 1000 19 360
0A 900 1A 346
0B 818 1B 333
0C 750 1C 321
0D 692 1D 310
0E 642 1E 300
0F 600 1F 290