This paper discusses PLC controlsystem 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。
2
The article mainly describes the application of Siemens S7-200 PLC into automatic controlsystem 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。
3
A presentation is given of the trend of development and main technical points of the internationally advanced comprehensive controlsystem for large centrifugal compressor units.