Average will time out

[Sendtohen]

I have a DPO 2014 from Tektronix.  I am simply trying to do averaging of 16 and collect data for 4 channels.  If I turn Average on, I get the following error.

Possible reason(s):

Instrument reports:

402,"Operation complete"

221,"Settings conflict; Composite waveform not available; :DAT:WID 2;:WFMP:XZE?;"

221,"Settings conflict; Composite waveform not available; :WFMP:XIN?;"

221,"Settings conflict; Composite waveform not available; :WFMP:YMU?;"

221,"Settings conflict; Composite waveform not available; :WFMP:YOF?;"

221,"Settings conflict; Composite waveform not available; :WFMP:YZE?;"

420,"Query UNTERMINATED"

0,"No events to report - queue empty"

Complete call chain:

     tkdpo4k Error Query.vi

     tkdpo4k Read (Multiple Waveforms).vi

     basic.vi

Possible reason(s):
Instrument reports:402,"Operation complete"221,"Settings conflict; Composite waveform not available; :DAT:WID 2;:WFMP:XZE?;"221,"Settings conflict; Composite waveform not available; :WFMP:XIN?;"221,"Settings conflict; Composite waveform not available; :WFMP:YMU?;"221,"Settings conflict; Composite waveform not available; :WFMP:YOF?;"221,"Settings conflict; Composite waveform not available; :WFMP:YZE?;"420,"Query UNTERMINATED"0,"No events to report - queue empty"


Complete call chain:     tkdpo4k Error Query.vi     tkdpo4k Read (Multiple Waveforms).vi     basic.vi

This is as basic as I can get.  Anyone got any advice?

[Shelby S]

Hi,

After doing some research on this issue, it seems that there was a slight change in the API for the DPO 2k series devices.  The problem with turning on averages, is that the data composition must be set to SINGULAR_YT also.  I'm not familiar with the particular driver set you are using, but it seems that the commands "DATA:COMPOSITION SINGULAR_YT" and "DATA:COMPOSITION?SINGULAR_YT" are used to accomplish this task.  Try changing this setting and see if you are able to use averaging successfully.

[SuperSam]

Hi,

I've recently run into the problem as well, however since I was using LabVIEW I couldn't use the SINGULAR_YT command. However I found a cheat VI in the DPO 4K drivers called "Configure Record Data". If you put this vi in while your configuring triggers and channels and your acquisition then create a constant on the Data Composition and change it to 'Singular Sample Waveform' it has the same effect. I hope this helps

[TimmTheEnchanter]

A DPO scope from Tektronix is not considered an NI High-Speed Digitizer.  I would suggest posting to the Instrument Control (GPIB, Serial, VISA, IVI) forum for responses that are more pertinent to the technology you're using here.

-Andrew