基于欧姆龙PLC的小区高层生活供水水泵控制，该系统为一拖三配置。已安全运行多年。-Senior life water supply pump based on omron PLC control, the system provides yituo three configuration. Have safe operation for many years.

基于西门子S7-300PLC实现长距离带式输送机和矿井主排水泵的自动控制。(Automatic control of long distance belt conveyor and main mine drainage pump based on SIEMENS S7-300PLC.)