23.06.2014 Views

SANMOTION R Medium Capacity (200VAC, 750W to 15kW)

SANMOTION R Medium Capacity (200VAC, 750W to 15kW)

SANMOTION R Medium Capacity (200VAC, 750W to 15kW)

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Improved Precision and Reduced Cycle Time<br />

High Response<br />

A 4th-order notch filter reduces phase delay <strong>to</strong><br />

suppress mechanical resonance and improve velocity<br />

response of equipment.<br />

Vibration Suppression Control<br />

With feed-forward vibration suppression control,<br />

vibrations at the processing point and base of a<br />

machine can be suppressed through simple tuning<br />

procedures. Up <strong>to</strong> 4 types of vibration control<br />

frequencies can be selected.<br />

Position deviation during s<strong>to</strong>p<br />

10<br />

With vibration suppression control<br />

Without vibration suppression control<br />

0<br />

Gain (dB)<br />

-10<br />

-20<br />

-30<br />

-40<br />

1<br />

5 10 50 100 500 1000 1800<br />

Frequency (Hz)<br />

With vibration<br />

suppression control<br />

Without vibration<br />

suppression control<br />

100ms/div<br />

Shorter Position Settling Time<br />

A new algorithm drastically shortens positioning<br />

settling time for equipment.<br />

Disturbance Suppression<br />

A new disturbance observer with expanded applicable<br />

frequencies suppresses disturbance from other axes<br />

in a multi-axis configuration.<br />

Disturbance observer function ON<br />

Oscillation waveform<br />

of direct drive section<br />

Position deviation<br />

Disturbance<br />

Position complete signal<br />

Settling time (0ms)<br />

Disturbance observer function OFF<br />

Oscillation waveform<br />

of direct drive section<br />

Example of positioning settling time<br />

in highly rigid machinery<br />

5ms/div<br />

Disturbance<br />

5

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