Internet of things: NI 9181

[eduardomp8]

I have an NI9181 that I' am connecting through nidaqmx python and flask.

If I connect my laptop to the same network that the chasis is, I can access it. No problem on this part.

My question is: if I know its IP address can I read out the information that is accesing (through its NI9234), essentially, If I am in a different network, can I access the device data feed with the following scheme?

 I am just starting in such matters, I don't know if this is possible and how.

[Jerry_X]

Yeah, that is possible as long as there is a network route between network A and network B. But if one of the network is a private network with packet filtering or firewall blocking certain ports, then the IT infrastructure has to open up a network route and unblock the ports for it to work.

I have acquired data from another continent using Ethernet cDAQ chassis. The latency is really bad but it is possible.

[eduardomp8]

@Jerry_X, thanks for answering, any good tutorial or documentation that you could suggest to a newbie like me?

The way I do it is having the python program with a computer and then using ngrock to communicate from one network to another (with another computer).

[Jerry_X]

Well, these are the basics.

1. We have to know IP address of the machine in network B and the Ethernet cDAQ chassis in network A.
2. These IP addresses should be able to ping each other.
3. There is this knowledgebase for troubleshooting Ethernet cDAQ connection issue: Troubleshooting Network cDAQ Connectivity Issues - National Instruments (ni.com). These are the ports required to be open for Ethernet cDAQ communication:
   • HTTP:80 (configuration only)
   • TCP:3580
   • TCP:31415
   • UDP:5353(configuration only)
   • TCP: 5353(configuration only)
   • UDP:7865 (configuration only)
   • UDP:8473 (configuration only)

[eduardomp8]

Thanks again for your input, @Jerry_X I will check this info out