PLC与上位计算机的串行通信程序设计

The Design of Serial Communication Program between PLC and Host Computer

介绍了利用WindowsAPI函数实现上位机与OMRONC2 0 0HGPLC的通信 ,并给出了计算机具有优先权时基于VC +

This paper introduces the communication between host computer and OMRON C200HG PLC by applying Windows API, it also gives a method of programming design based on VC++ when computer has the priority in communication.