I would like to know which instrument driver works for the Tektronix TDS 544A

[ralphy1798]

I am trying to use TDS544A with CVI and downloaded the driver for TDS 540 and it didnt seam to work... should it? If not, which one will???

[Steven B]

Hello,

Thanks for contacting National Instruments.

It looks like the TDS544A is a member of the 540 family, so I would think that the instrument driver would be very close to what you would need to use to communicate to the 544A. Regardless, the instrument driver that you are referring to only officially supports the 520 and the 540 since those were the only instruments the driver was tested with. However, what error are you getting when trying to use the instrument driver for the 540? Have you been able to successfully communicate with the instrument in MAX?

Regards,

Steven B
Applications Engineering
National Instruments

[ralphy1798]

I have been able to communicate with it in MAX and it appears that only a few of the commands work in CVI. Every time I try and initialize it, i get "223" error meaning "its not a TDS Scope." I do NI Spy and it appears some codes make it through and some dont. Some even appear to have errors in the code. I am sure the 544 is just not "close enough" to the 540 to work with all the code you gus wrote...

[Steven B]

Hello,

Well, it appears that you are correct in that it must be somewhat different since you are getting the errors you described. Since that is the case and we don't have an instrument driver for that particular instrument, I would recommend one of two things. Try to modify the existing instrument driver to send the commands that your instrument expects, or make regular Visa calls to communicate with your instrument.

Also, I would encourage you to submit a request for the specific instrument driver you are interested in. I cannot guarantee when or if it will be created, but they will evaluate what can be done and get back to you. You can submit that request here:

http://zone.ni.com/idnet97.nsf/instrumentdriverrequest/

Good luck
with your Application!

Regards,

Steven B.
Applications Engineering
National Instruments

[morrissey]

I know this is an ancient topic but if anyone else searches for this problem the 420 drivers work with this instrument.

[Calucho123]

Thanks, I will try. an will update on driver later,

Regards,

El poeta de la zurda.