LeCroy WaveRunner "dso crashed..."

[Oswald_Mario]

Hello,

I use the LeCroy WaveRunner 6030 - Oscilloskop to make a SideBand-Measurement via GPIB Interface.

Therefore I record per test about 40 waveforms and download the waveforms to the LabView-program.

But suddently during the measurement the Osci recognize a "fatal error" (DSO crashed...).

The LabView-program sometimes finish the process and sometimes it also ends with an Error.

But the error does not appear on the same point of the program, but always around the end.

- can the error associate with the fact, that I record a lot of waveforms?

- I suppose that the error occur since I use the "Find Scale" - function to make an vertical-autoscale. Could there be an association?

Does anybody know the problem or have an idea of solution?

Best regards,

Mario

[alanjb]

Hi Mario,

Alan from LeCroy Tech Support here...

This doesn't sound like a LabVIEW issue to me. One idea + 3 questions:

1. Make sure that your application and the scope aren't out of synch by issuing a *OPC? query after executing the Find Scale. (To do tis, use the Write vi to send "*OPC?", and then use the Read vi to readback the response.)  The *OPC? query is unlike other queries;  it's sole purpose is synchronization.  It will always return the value "1", but only when all commands have been completed.  Keeping in synch is important.

2. What are the details of the crash message?

3. What version of the scope firmware are you using?

4. Which LabVIEW driver are you using?

It's possible that new versions are available for #2 and #3.

Best Regards,

Alan

[Oswald_Mario]

Hey Alan,

ad 1) I havn't implemented any sync-mechanism in my program. I have thought the IVI-commands for the scope will do this. But thanks for the info, I will include this! Is it  necessary to realize these sync-mechanism for all commands in the program?

- I have updated the scope to the latest version of firmware (5.0.0.2)

- I use this LabView drivers: IVI-Driver(2.0.31b), VISA (3.4.1), CVI (8.0.1), ICP (IVI Compliance Package) (2.5) and VICP_Passport is installed

Best Regards,

Mario

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Infineon Technologies Austria

[Oswald_Mario]

I forgot to include the crash-message:

------------------------------------------------------------------------------

LeCroy X-Stream Software detected a fatal error

following source:  System

Summary:            DSO crashed

Descripton was provided:  Stack

                                           Number of valid bytes 2048

...

...

...

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