用西门子LOGO!PLC构成管道压力控制系统

The Pipeline Pressure Control System Composed of Siemens LOGO! PLC

系统由压力传感器、压力、可编程控制器、水泵、按钮等组成,编程控制器程序是按照一定顺序开机或停机,保持系统压力相对稳定。

The system is composed of press sensor, press, PLC, pumps and buttons etc. The LOGO! PLC starts or stops pumps in a certain sequence in order to keep the system pressure steady.