建议你们在固件里加入mqtt协议

是使用网页里面的固件升级上传bin文件更换网页界面吗？

按照说明书操作，一直都没办法成功传输数据。请说明具体的操作流程，最好可以通过其它方式进行沟通。谢谢！型号是:G43 4G模块

What is the protocol used to find an Eport on the network? I need to implement the search of Eport on the network in my supervisory software. I know it's through a UDP command. But what is this command? Would you have any documents explaining this? What I need to do is something similar to what the IOTService software does.

请问怎样通过HF2421远程更新台达PLC的程序，请问PLC怎样读取HF2421的IMEI码？

实际设备为hf2421，固件1.6106，VPN无法开启。