| 摘要 |
PURPOSE:To make the wiring work simple and ensured, by wiring a transmitting device and a step motor by two wires by using an A contact time limit switch at transmitting swtich for driving the step motor. CONSTITUTION:When transmitting switch 81 is closed when a receiving switch 7 is previously changed over at the coil 3 side, currents flow through a coil 3, repulsive power is produced between a rotor 2 and a stator 5 and the rotor becomes incremental by one step in the arrow direction. In this case, the receiving switch 7 is changed over to the coil 4 side being interlocked with the revolution of the rotor 2. The transmitting switch 81 is still being made even under this condition, a coil 4 is excited, a magnetic field in the opposite direction is generatied between the magnetic polse of the stator 5 and the rotor 2 becomes incremental by one step in the arrow direction by repulsive force. The transmitting switch 81 is closed by the revolution just before the receiving switch 7 is changed over to the coil 3 side from the coil 4, and the rotor 2 is attracted to the magnetic poles and commutating poles of the stator 5, making the revolution stop. |
