The use of two different NICs on the RT?

Hello world... I am currently working on a project where I have to deal with the problem mentioned in the thread topic: I have a PC with LabVIEW RT which must be able to establish network connections using two different network cards. One will be used to connect via TCP/IP to a host computer that will show you the data transmitted through variables shared; the other communicates with another PC via the Modbus Protocol. The key is that each communication is done through a separate network card.

So far I could not understand how to set up these two things happen. Does anyone know how to do this? Advice will help you.

For communication of RT, I use a project of RT standard, with the RT PC, given one of the IPs, and for the part of Modbus, I created a server I/O with a master and a slave. Separately, everything works fine, but when I get them together it does not work.

Thanks for your help!

Sorry it took me so long to answer, I've been busy lately... I found a solution to this problem that I mentioned, and just in case anyone has similar problems in the future, I will briefly describe what happened.

Caseyw suggested, he had to allow both NICs through the measurement and Automation Explorer. The cause of the failure of connections was in fact that I was not using the 'right' for Modbus communication, which was rolled out on the secondary card. The solution was to use the URL Protocol with the correct path in the field, addressing the right IP address. To avoid making this post a mixture of subjects, I do more futher, but I got the gist of it, so if someone has similar problems when I work with multiple network cards or Modbus communication protocols, do not hesitate to contact me, I'll be happy to help you.

Thank you

Tags: NI Software

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