| 摘要 |
PURPOSE:To facilitate the selection of a fuse. CONSTITUTION:A diode D is provided between a connecting point T11 for first smoothing capacitor C1 of a drive-power-supply-side electric path 11 and a fuse 5 or between the fuse 5 on a phase-coil-side electric path 12 and a connecting point T12 of a second smoothing capacitor C2. The diode D blocks the inflow of a current i2 based on the mutual induction caused by the switching of one phase coil (phiA) and the other phase coil (phiC) of a stepping motor 10. These parts are provided. |
