Send_Receive Message on PLC Schneider M251

HPhong

Member
H
Join Date
Mar 2017
Location
Dong Nai
Posts
5
Dear All
I have some trouble.
I'm trying to send message from module 3G GSM to port 502 of PLC M251 through internet.
- Port 502 of PLC M251 opened. I used port forwarding.
- Program send message is ok.
- At PLC M251 receive message, I write program receive as below image, but I cannot receive message.
Please help me some advise. Thank alots.

Send_Rv.jpg Send_Rv1.jpg
 

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