how to connect two NI-6341DAQ to one Igor pro?
diana
I want to know is it possible to connect two NI-6341 DaQ in one computer, if so, how can i do it? because i don´t know how i can define each of them and use both of them in the same time in my code.
Thank you in advance
best
December 8, 2015 at 03:00 am - Permalink
Thanks s.r.chinn
yes you are right. thanks alot
December 8, 2015 at 03:32 am - Permalink
Hi S.r.Chinn
sorry for asking frequent question, i am using two NI-device now. is it possible to scan some data from these two devices simultaneously ( at the same time)?
Thank you
December 8, 2015 at 07:27 am - Permalink
You need to pay particular attention to the /STRT and /TRIG flags' documentation. In your case you may not need the /STRT flag (operation will start, but not necessarily begin scanning). Issue a DAQmx_Scan command separately to the two devices, specifying in each command the same /TRIG flag. You will have to determine what kind of trigger signal to use, whether internal (like ctr0) or external (to a PFI input) and specify this as the 'source' (See the Help file documentation). As soon as the common trigger signal arrives at both cards, they should start acquiring data simultaneously.
December 8, 2015 at 08:17 am - Permalink