compact rio wireless

[kelwross]

Hi experts,

We are currently using a Compact RIO as a data logger and controller on a university formula student car.  Currently we connect the RIO to the car using the normal method of a CAT5 cross over cable when it is in the pits.  We are endeavouring to have wireless contact with the RIO by implementing two ethernet bridges to act as a transparent cable replacement so that we can take data from the RIO as the car is moving. 

2 Linksys WET11 bridges are being used and their connection is fine but when the PCis plugged into one and the RIO into the other the connection light comes on on the RIO but the 10/100Mbps communication active green light is not coming on.  Are there any specific codes that need to be implemented on the RIO to carry out this type of communication??  Our current coding fully works with the crossover cable connection so this is becoming abit of a headache as to why the PC and RIO will not communicate.  Have you ever heard of anyone succesfully connecting to the RIO over wireless LAN?

Thank you in advance

[Stuart_R]

This may help:

http://digital.ni.com/public.nsf/websearch/320E6D748361351A8625704A000D68CF?OpenDocument

[kelwross]

I have looked at the page that you have cited and carried out the instructions to the letter but our RIO still wont connect.  We have been using a LInksys WET-11 Ethernet Adaptor and a SWEEX router.  When the RIO is plugged into the Wi-Fi router and the Laptop into the Adaptor the system works fine.  Due to the fact that we are using the RIO on  a race car as a data logger we would much prefer the much lighter Adaptor to be what the RIO is direct wired to and to have the Laptop in the pits.  But, when we set this configuration up the RIO will not talk to the adaptor.  The orange LAN light comes on but the green network connection light by the LAN port will not.  The PC can see the RIO ie a connection is present but no communication will take place between them in any programme.  I was hoping someone else may have experienced this problem?? Is maybe our ethernet adaptor to dated??  Is b-technology limiting the RIO??

Thank you

[kelwross]

Can anybody help with this problem or perhaps offer an insight as this is a Formula Student project and we are working to a deadline.  Thank you very much in advance

[Stuart_R]

You mention :"the RIO is plugged into the Wi-Fi router and the Laptop into the Adaptor the system works fine." From this I presume that you achieve wireless comms but you want to reverse the hardware so the form factor favours your application. Is it possible to log in to the routers config page or similar and check the settings to see if there would be any reason for the blocking?

Does the user manual elaborate on the specific status light sequence you are seeing? Are you able to ping the device without issues even though you can connect? To me, this seems more of a configuration setting of the router/laptop rather than a limitation of the cRIO. Have you tried using Static Ip Addresses to see what happens?

If you can get hold of a 802.11g then I would give it a go but don't think this is a silver bullet to your problem.