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3.4DESCRIPTION OF CIRCUIT
3.4.1Drive Circuit for Feed Motor
Fig. |
This circuit controls the rotation/stoppage and the direction of rotation, excitation mode and motor cur- rent of the feed motor.
A drive clock signal
When the level of the enabling signal
For the excitation mode, either of 2 phase excitation,
The edge switching signal
Motor current value can be set discretionary by changing the level of the reference setting signal
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DESCRIPTION OF OPERATIONS |
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