1 Modbus Poll/Slave 模拟器使用教程

Modbus Poll/Slave 模拟器使用教程_modbus poll 使用教程-CSDN博客

https://item.jd.com/67488830087.html

2 一文秒懂串口、COM口、TTL、RS-232、RS-485区别 

一文秒懂串口、COM口、TTL、RS-232、RS-485区别_电平

3 串口的学习

https://zhuanlan.zhihu.com/p/692381870

4 虚拟串口

win：

Download Virtual Serial Port Driver

linux：

sudo apt-get install socat

sudo socat -d -d pty,raw,echo=0 pty,raw,echo=0
2024/07/16 12:00:00 socat[12345] N PTY is /dev/pts/0
2024/07/16 12:00:00 socat[12345] N PTY is /dev/pts/1
2024/07/16 12:00:00 socat[12345] N starting data transfer loop with FDs [5,5] and [7,7]

4 modbus tools

Modbus test and simulation

5 Demo

5.1 Open-Modbus-Poll-RTU

https://github.com/MonetInfor/Open-Modbus-Poll-RTU