利用西门子PLC-7 S300实现的PLC控制算法控制源代码,The original code of PID control used Simens PLC-7

西门子正规培训资料，对常见的调试问题，plc硬件安装及维护，和相关知识的详细总结。-Siemens formal training materials, common debugging problems, plc hardware installation and maintenance, and knowledge of the detailed summary.