歐姆龍D40A-1C5這款開關可以單獨使用嗎？？   問了客服說必須買控制器，有用過的大神說說看看。  單獨拿來用當普通傳感器可以否

*2. Turns ON when the actuator is approaching. The G3R series of the SSR can be driven at an auxiliary output of 10 mA. Contact your OMRON representative for details.

手冊上寫的。你可以試試。