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common - Sanyo Denki America, Inc.

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4. Pulse Train Input Interface <br />

Each setting is enabled or disabled based on the type of zero-return.<br />

Zero-return type Velocity Low-velocity Grid shift Current limit<br />

C-phase detection Disabled Enabled Enabled Disabled<br />

External sensor detection Enabled Enabled Enabled Disabled<br />

External sensor C-phase detection Enabled Enabled Enabled Disabled<br />

Push detection Enabled Enabled Enabled Enabled<br />

Push C-phase detection Enabled Enabled Enabled Enabled<br />

Zero-return operation overview<br />

The zero-return in-position signal is output after the zero-return operation is complete.<br />

C-phase detection<br />

Zero-return is based on detecting the C-phase (1PLS/rotation) of the motor-sensor.<br />

Grid shift travel distance<br />

Operation(velocity waveform)<br />

In-Position signal<br />

C-channel signal<br />

If high velocity is used, an overshoot can occur after detecting the C-phase, causing a return operation to<br />

be performed.<br />

External sensor detection<br />

Zero-return is performed by detecting the edge of the external sensor signal.<br />

Grid shift travel distance<br />

Operation (velocity waveform)<br />

In-Position signal<br />

SDN signal<br />

424

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