Mitsubishi Electric MELSERVO-J4 MR-J4 A Series - Page 222

7. SPECIAL ADJUSTMENT FUNCTIONS
7 - 11
(a) When a vibration peak can be confirmed with machine analyzer using MR Configurator2, or external
equipment.
1Hz
ࠥࠗࡦ․ᕈ
૏⋧
-90deg.
300Hz
೙ᝄ೙ᓮ1 ᝄേ๟ᵄᢙ
(෻౒ᝄ๟ᵄᢙ)
[Pr.PB19]
೙ᝄ೙ᓮ1 ౒ᝄ๟ᵄᢙ
[Pr.PB20]
೙ᝄ೙ᓮ2 ᝄേ๟ᵄᢙ
(෻౒ᝄ๟ᵄᢙ)
[Pr.PB52]
೙ᝄ೙ᓮ2 ౒ᝄ๟ᵄᢙ⸳ቯ
[Pr.PB53]
300Hzએߩ౒ᝄߪ
ኻ⽎ᄖߦߥࠅ߹ߔޕ
(b) When vibration can be confirmed using monitor signal or external sensor
t
ࠨ࡯ࡏࡕ࡯࠲┵ᝄേ
(ḳࠅࡄ࡞ࠬ)
૏⟎ᜰ઎๟ᵄᢙ
t
ᄖㇱടㅦᐲࡇ࠶ࠢࠕ࠶ࡊାภߥߤ
೙ᝄ೙ᓮᝄേ๟ᵄᢙ
೙ᝄ೙ᓮ౒ᝄ๟ᵄᢙ
ห৻୯ࠍ⸳ቯߒߡߊߛߐ޿ޕ
ᝄേ๟ᦼ[Hz] ᝄേ๟ᦼ[Hz]
Step 3 Fine-adjust "Vibration suppression control - Vibration frequency dumping setting" and "Vibration
suppression control - Resonance frequency dumping setting".
Gain characteristics
Phase
Vibration suppression control 2 - Resonance frequency
Vibration suppression control 1 -
Vibration frequency
(anti-resonance frequency)
Vibration suppression control 2 -
Vibration frequency
(anti-resonance frequency)
Vibration suppression control 1
- Resonance frequency
Resonance of more than 300 Hz
is not the target of control.
Motor-side vibration
(droop pulses)
Position command frequency
Vibration cycle [Hz]
Vibration cycle [Hz]
External acceleration pickup signal, etc.
Vibration suppression control - Vibration frequency
Vibration suppression control - Resonance frequency
Set the same value.