某款PLC控制器产品的全套代码, 增强型51MCU, 重点代码,为I/O端口的 状态机控制,包括键盘\串口\数字模拟IO控制调度. 分析可以移植PLC的接口控制逻辑算法实现.-all Souce Code of one model of PLC product controller . based on enhanced MCS51 MCU.

IO expantion board design for MegaAvr based simple PLC It will help designing Hardened low noise I/O ports

PLC SIEMENS password UNLOCK

这是一个西门子PLC300的控制程序。有多路I/O，通过PLC内部的PID模块进行温度控制。控制精度在0.1摄氏度。-This is a SIEMENS PLC300 control program. There are multiple I/O, through the PID internal PLC module for temperature control. The control precision at 0.1 degrees celsius.