S7-200与FX2N PLC实时数据通信的研究

近年来,信息技术的飞速发展,引发了工业网络技术的革命。不同品牌PLC间的数据通信是未来工业控制系统的发展趋势。文中主要介绍以S7-200PLC为主站、三菱FX2N PLC为从站,西门子S7-200系列PLC通过自由端口模式与三菱FX系列PLC无协议通信的设计方法和过程,给出S7-200PLC与第三方PLC之间数据通信的一般方法。

用 FX_2 对拉线机实现单机控制

介绍用ＦＸ２可编程控制器、辅助变频器及新型电气控制器件对拉线机实现单机控制，从而不仅改善了拉线机的卷线特性和排线性能，也提高了拉线机的电气控制水平及工作效率。

电除尘输灰系统自动控制改造

分析了解化化工分公司热动力厂电除尘输灰控制系统存在的问题,并重点介绍了FX2-48MR可编程控制器在输灰控制系统中的组态方法和应用情况。利用闲置设备(FX2-48MR)代替QS系列气力输送系统,对电除尘输灰自动控制系统进行改造,简化了控制程序,提高了控制可靠性,降低了维修成本。

The Electrical Control System PLC Transformation of The XA6132 Milling

For the electrical control system of XA6132 milling machine circuit complexity, reliability and flexibility, high failure rate. Mitsubishi FX2N-40MR programmable controller is used to improve the performance and efficiency of the entire electrical control system by technological transformation. Mitsubishi FX2N-d0MRPLC on electrical control system transformation can expand link to the technological transformation of the similar equipments.

The Electrical Control System PLC Transformation of The T68 Boring

T68 boring machine electric control system circuit is complex, its reliability and flexibility is poor with high failure rate. The mitsubishi FX2N-40MR Programmable controller for the technical innovation of electric control system improves the work performance of the whole electric control system and the work efficiency. This paper introduces the mitsubishi FX2N-40MR PLC in T68 boring machine electric control system, the application of the elaborated system＇s hardware and PLC program design can provide work for technical reform of similar equipment.