This paper discusses PLC control system formation, casting technical process and control theory of PLC in centrifugal casting iron pipe machine.
本文介绍了PLC控制系统组成、浇铸工艺流程、及PLC在离心球墨铸管机中的控制原理。
The article mainly describes the application of Siemens S7-200 PLC into automatic control system of large centrifugal pump station with regard to hardware and software.
从硬件和软件两方面介绍西门子s7 - 200系列PLC在大型离心泵站自动控制系统中的应用。
A presentation is given of the trend of development and main technical points of the internationally advanced comprehensive control system for large centrifugal compressor units.
介绍国际上先进的大型离心式压缩机组综合控制系统的发展趋势和技术要点。
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