| 摘要 |
PURPOSE:To make a position for stopping a motor controllable without remodeling a servomotor having no position control function by stopping said motor on the basis of a signal from a position sensing means for a rotor included in a rotation control system of the motor. CONSTITUTION:If a motor ON signal is inputted from a command side, said motor ON signal is outputted via a motor ON-OFF switching circuit 20 and a motor driver 21. If a motor signal is made OFF on the command side, a voltage generated in a microvoltage generation circuit 25 is outputted as a motor command voltage. If a rotor rotates and a CSA signal is outputted from a position sensor, a D-FF 23 is cleared, a motor ON-OFF switching circuit 20 is made OFF, a motor voltage switching circuit 24 is also made OFF concurrently, and a command voltage to the motor becomes zero. In this manner, the motor is stopped.
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