Posted 25 Oct 2020 I'm trying to send an int over TCP using a MSG Socket, Compactlogix ==> Arduino Ethernet Shield I have set up TCP communication between two Arduino Uno's using Ethernet shield. I've set up the one as a server, the other as a client. server IP: 192.168.1.21 port 23. If the client is connected it reads incoming data as a byte or an array of bytes. The data between the two has been verified to work. I'm now trying to transition the communications between a compact logix-L32E. I'm looking to send a byte (or int being as there's no byte data type) from the Compactlogix to the Arduino using TCP. To my understanding I need to use a socket create, open, read/write, close. The manual to do this is vague as a step by step procedure. Does anyone have an example code for socket programming? I can open rs500, rs5000, and studio 5000 programs. If I can open a file to use as a reference I can translate it on my own. Any help/advice would be greatly appreciated. Share this post Link to post Share on other sites
Posted 27 Oct 2020 Have you read through this manual. - https://literature.rockwellautomation.com/idc/groups/literature/documents/at/enet-at002_-en-p.pdf It contained enough information for me to establish Sockets Comms between a Logix 5000 and a VideoJet Printer. Share this post Link to post Share on other sites
Posted 27 Oct 2020 You make mistakes when installing the application. Read the instructions above and you will be able to install everything. Share this post Link to post Share on other sites