Mitsubishi MR-JE-70B - Page 116

5. PARAMETERS
5 - 21
No. Symbol Name and function
Initial
value
[unit]
Setting
range
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.
Refer to the
"Name and
function" column.
Setting
digit
Explanation
Initial
value
_ _ x x 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.
00h
_ x _ _ Notch depth selection
0: -40 dB
1: -14 dB
2: -8 dB
3: -4 dB
0h
x _ _ _ For manufacturer setting 0h
Table 5.4 Shaft resonance suppression filter setting
frequency selection
Setting
value
Frequency [Hz]
Setting
value
Frequency [Hz]
_ _ 0 0 Disabled _ _ 1 0 562
_ _ 0 1 Disabled _ _ 1 1 529
_ _ 0 2 4500 _ _ 1 2 500
_ _ 0 3 3000 _ _ 1 3 473
_ _ 0 4 2250 _ _ 1 4 450
_ _ 0 5 1800 _ _ 1 5 428
_ _ 0 6 1500 _ _ 1 6 409
_ _ 0 7 1285 _ _ 1 7 391
_ _ 0 8 1125 _ _ 1 8 375
_ _ 0 9 1000 _ _ 1 9 360
_ _ 0 A 900 _ _ 1 A 346
_ _ 0 B 818 _ _ 1 B 333
_ _ 0 C 750 _ _ 1 C 321
_ _ 0 D 692 _ _ 1 D 310
_ _ 0 E 642 _ _ 1 E 300
_ _ 0 F 600 _ _ 1 F 290
PB18 LPF Low-pass filter setting
Set the low-pass filter.
The following shows a relation of a required parameter to this parameter.
3141
[rad/s]
100 to
18000
[Pr. PB23] [Pr. PB18]
_ _ 0 _ (Initial value) Automatic setting
_ _ 1 _ Setting value
enabled
_ _ 2 _ Setting value
disabled