电厂通风和除尘的程序，用S7-300做的，包硬件组态，-Power plant ventilation and dust removal process, with the S7-300 to do, pack the hardware configuration,

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.)