Modbus寄存器分类及地址分配

python是实现ModSim寄存器读取

http://t.zoukankan.com/liuwenhua-p-13746044.html

https://www.cnblogs.com/liuwenhua/p/13746044.html

https://blog.csdn.net/lzl640/article/details/118722675

modbus读写功能码及说明

modbus协议中寄存器的理解

http://www.founderchip.com/?id=306

modbusTCP协议及解析

modbusRTU报文解析