The paper introduces the principle and met hod of automatic control of siphonage device by means of LOGO! It stresses control circuit, software as well as programming.
介绍了采用logo ！控制虹吸排泥机的原理和方法。着重阐述了控制线路、件设计与编程。
By discussing a practical example about reconstructing, programming and contacting of general Marine auxiliaries control circuits (including electric relays and contactors) in which LOGO!
逻辑模块对某通用船舶继电接触器辅机控制线路进行改造、编程、接线的实例，给出了基于LOGO ！
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