RJ X

Hello there!

I am using a PCI-6110 DAQ and the purpose is to synchronize a DO with some AO.something like this:

Now, im using AO/StartTrigger to trigger a DO,however,this works fine on PXIe-6341(another card for test),but unable to work on PCI-6110

there is an error -200077 and it asks me to change sampTimingType from SampTime to OnDemand,obvious there is no such thing in DAQmx Timing VI.

Finally I choose to use a Timing Node to set sampTimingType as OnDemand, and a new error -200452 come.

Is there a way to solve this problem?

By the way,this VI would run on a LV2012 computer ,so some newer function may not work.

Here I post a example VI :

example.vi

Oh! I got it, thanks a lot.

Actually I  know about I/O node, but I didnt realise that I should manually add these triggers to the IO(thinking about FIFOs ,registers),now I can receive these triggers and try synchronizing my cards.

18 hours ago, codcoder said:

Cannot you use one of the PXI trigger signal routing?

https://www.ni.com/docs/en-US/bundle/pxie-6672-feature/page/using-pxi-triggers.html

codcoder, thank you for your reply!

I checked the link and assume you must be talking about PXI Triggers?

I opened a  DAQmx CO example, and I found these triggers avalible :

as for FPGA,I have no idea how to receive signal from PXI_Trig,could you please provide more details about that?

I have a PXIe-7975R(FlexRIO FPGA with 5732 digitizer)and a PXIe-6341(DAQ) both installed in a PXIe-1073 chassis(you can check in screenshot below) and I want to synchronize there two device.

my goal :The DAQ will output some control signal and the FPGA will acquire some other signal and they are synchronized .

what I tried:

1. output a digital signal to 5732, however its DIO port somehow dont work,and that force me to input signal using AI port,but there are much much noise

2.this chassis used to run ScanImage(   https://docs.scanimage.org/   an program based on MATLAB using DAQmx API),so Im sure the same thing could be realised using LabVIEW,however I couldnt find a way to do so.

So ,is there a way to synchronize there two device?Or are there some modules like DAQmx  avalible?(examples of 5732 only demonstrates Clock Select and Streaming)