Products > Test Equipment
My poor mans SMU - The Agilent 66311B
pigrew:
One other request:
My SMU's front panel lets me select "AUTO" current ranging. What's the SCPI command to enter and leave auto-range mode? I couldn't find it in the manual.
samofab:
I can report that the software compiles and connects to my 66309D.
Few bugs to iron out... in mine the decimal points for the display of current voltage and current on the left are missing (displaying 100000 instead of 1.0V)
Otherwise it looks totally great! Finally an easy way to use our 66309's & Co to their full potential!
Info for somebody else who'll try to compile it: VisaComLib is in file
GlobMgr.dll found in C:\Program Files (x86)\IVI Foundation\VISA\VisaCom
at least on my computer.
thumbs up!
samofab:
--- Quote from: pigrew on October 03, 2016, 04:55:11 pm ---My SMU's front panel lets me select "AUTO" current ranging. What's the SCPI command to enter and leave auto-range mode? I couldn't find it in the manual.
--- End quote ---
Perhaps you can look in strings section of the firmware if there's an undocumented SCPI command.
pigrew:
--- Quote from: samofab on October 03, 2016, 08:37:27 pm ---
--- Quote from: pigrew on October 03, 2016, 04:55:11 pm ---My SMU's front panel lets me select "AUTO" current ranging. What's the SCPI command to enter and leave auto-range mode? I couldn't find it in the manual.
--- End quote ---
Perhaps you can look in strings section of the firmware if there's an undocumented SCPI command.
--- End quote ---
I tried downloading the firmware image posted in this thread, but couldn't find any strings in it. Is the image obfuscated or compressed?
Sent from my LG-D850 using Tapatalk
pigrew:
--- Quote from: samofab on October 03, 2016, 07:23:24 pm ---Few bugs to iron out... in mine the decimal points for the display of current voltage and current on the left are missing (displaying 100000 instead of 1.0V)
--- End quote ---
I think this must have to do with my assumption that everywhere is like the America, and uses periods as decimal points.
I just tweaked a few things, and more things will now show up as commas for you...
But, for storing data files (like CSV), I assume that you would want to use periods as decimal points?
Were there issues with parsing numerical responses from the instrument? I probably should tell it to use the InvariantCulture more often....
(And yes, it still has quite a few small bugs that I can think of, but it nearly working well enough for my needs)
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