| 摘要 |
PURPOSE:To directly drive a load, by coupling a control signal with a contactless type semiconductor coupler. CONSTITUTION:When an output is given from a data bus and a bit corresponding to a signal at an input terminal 16 is ''H'', an output of an inverter 17 goes to ''L''. Thus, a phototriac coupler 18 turns on, a triac 24 is triggered and a magnet switch 25 is actuated and a motor is operated. The magnet switch 25 is connected with a light emitting diode 28 in parallel and the illumination of the diode 28 can inform which of magnet switches 25 is in operation. |
