SMC Networks LECSN-T Series - Page 241

7. SPECIAL ADJUSTMENT FUNCTIONS
7 - 12
(a) When a vibration peak can be confirmed with machine analyzer using setup software (MR
Configurator2
TM
), or external equipment.
1 Hz
Gain characteristics
Phase
-90 degrees
300 Hz
Vibration suppression control 1 -
Vibration frequency
(anti-resonance frequency)
[Pr. PB19]
Vibration suppression control 1 -
Resonance frequency
[Pr. PB20]
Vibration suppression control 2 -
Vibration frequency
(anti-resonance frequency)
[Pr. PB52]
Vibration suppression control 2 -
Resonance frequency
[Pr. PB53]
Resonance of more than
300 Hz is not the target of control.
(b) When vibration can be confirmed using monitor signal or external sensor
t
Motor-side vibration
(droop pulses)
Position command frequency
t
External acceleration pickup signal, etc.
Vibration suppression control -
Vibration frequency
Vibration suppression control -
Resonance frequency
Set the same value.
Vibration cycle [Hz] Vibration cycle [Hz]
Step 3
Fine-adjust "Vibration suppression control - Vibration frequency damping" and "Vibration
suppression control - Resonance frequency damping".