HSDIO Error: Error Code - 250035

[9994620116]

Hi All,

I have been working with HSDIO Card (2 NI 6551 & NI 6552) lately. Am new to using HSDIO cards. I am trying to load a batch of 4097 samples.Let me use the following notation for the cards.

A - 6551

B - 6551

C - 6552

Here is what i try with the cards.

1. Initialize generation sessions for all 3 cards,

2. Initialize acquisition session for cards B & C. 

3. Enable "Hardware compare (Stimulus & expect response)" for both Card B&C.

4. Configure the acquisition session of B&C to expect trigger at PFI 2 pin.

5. Configure the generation session for B&C to export a trigger to PFI 2 pin when the data is active.

6. Synchronize A,B,C.

7. Load waveform for all 3 cards.

8. Initiate the acquisition for B & C.

9. Initiate generate session for A,B,C.

10. Read back the waveform from B,C.

When the code comes to step 9 LV throws an error

Error -250035 occurred at niTClk Wait Until Done.vi:1

Possible reason(s):

NI-TClk checked whether a session is done, and the instrument driver reported an error.

Error -250035 occurred at niTClk Wait Until Done.vi:1
Possible reason(s):
NI-TClk checked whether a session is done, and the instrument driver reported an error.

Session index (starts at zero): 0

Error reported by the instrument driver: 

The acquisition could not keep up with expected data generation. Ensure the acquisition is triggered within 512 samples of the start of generation. If you are using an external sample clock, make sure it is within the jitter and voltage specifications.

Status Code: -239304.

Note : Am not using an external clock. I use the onboard clock.

It will be of great help if someone can suggest a solution to the above problem. 

Thanks in advance,

Prasaanthan

[9994620116]

Addition to the above info :

When I load 446 samples it works fine. But when i load 448 samples it throws the above error.

Thanks,

Prasaanthan.Y