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介绍了基于PLC的DF2 1型机车微机重联控制系统以及重联控制采用的通讯协议—协议宏 ,同时给出了重联控制的硬件配置和重联控制内容
This paper introduces the computer-based reconnection control system of DF2 1 locomotive based on PLC and the communication protocol-protocol macro used in reconnection control. At the same time, it presents the hardware configuration and reconnection control content of reconnection control