论文部分内容阅读
本文提出了我厂焦化天车电气部分继电器—接触器控制系统进行PLC—变频器控制系统改造的方案,并进行了相关安全和可操作性的初步探讨。
In this paper, we propose a scheme of PLC-inverter control system reformation of partial relay-contactor control system of Coking Crane in our factory, and make a preliminary discussion on safety and operability.