使用S7-200系列可编程序控制器（PLC）代替原来的继电器控制逻辑，实现了配料的自动控制。
Substitutes S7-200 series of PLC for relay control logic, realizes the automatic control for batching.
介绍Z8640双工位四开模热芯盒射芯机常规继电器线路控制系统整改为可编程序控制器（PLC）控制系统的目的、应用和技巧。
Purpose, application and skill in control system transformed from conventional banked relay to PLC control system on Model Z8640 hot box core shooter have been introduced.
即主传动系统由SCR-D取代原K-F-D系统，电控部分用可编程序控制器PLC取代原继电器-接触器控制方式。
The original K - F - D system was replaced by SCR - D system for main transmission, while PLC was substituted for the original relay contactor control mede.
即主传动系统由SCR-D取代原K-F-D系统，电控部分用可编程序控制器PLC取代原继电器-接触器控制方式。
The original K - F - D system was replaced by SCR - D system for main transmission, while PLC was substituted for the original relay contactor control mede.
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