包括两个文件：一个Modbus协议中文版(比较完善) 一个MODBUS通讯协议及编程 有详细简单的例子 很容易上手-Consists of two files: a Chinese version of the Modbus protocol (more perfect) and a MODBUS protocol in detail a simple example program is easy to use

MODBUS通讯协议及编程 -modbus protocol and demo

modbus通讯协议及编程,讲解modbus通讯协议及编程的好资料。(VB6 program written in MODBUS)

MODBUS通讯传送方式、通讯规约，编程举例：通讯口设置、CRC校验码计算、数据发送、数据读取(MODBUS communication transmission mode and communication protocol, programming examples: communication port setting, CRC check code calculation, data transmission, data reading)