Wire feeder 232 communication protocol (compatible with Modbus RTU)

本协议适用200-593-306以上的系统版本，即2022年03月以后的均支持，通过232端口直接控制送丝机的运行

This agreement is applicable to the system version above 200-593-306, that is, it is supported after March 2022, and the operation of wire feeder is directly controlled through port 232.