11-16-2020 05:58 AM
Hello, I work first time with Keithley 24xx, I need to control power supply via labview. I ahve read a lot of exapmles according them i started to build my controller but there is some mistakes.
BR
Doni
11-16-2020 06:08 AM - edited 11-16-2020 06:09 AM
Hi Doniyor,
warm welcome to the LabVIEW forum!
@Doniyor wrote:
I ahve read a lot of exapmles according them i started to build my controller but there is some mistakes.
Which "mistakes"? Any error messages?
It seems you are using some device driver VIs, but installed them in an unusual place.
It also seems you don't switch off the K24xx output after the loop as you wire a TRUE to "EnableOutput"…
11-16-2020 06:16 AM
here mistakes:
Keithley 24XX.lvlib:Error Query.vi<ERR>
Instrument reports:
822,"Too small for sense range"
0,"No error"
<b>Complete call chain:</b>
Keithley 24XX.lvlib:Error Query.vi
Keithley 24XX.lvlib:Configure Output.vi
Voltage output.vi
11-16-2020 06:28 AM
Hi Doni,
@Doniyor wrote:
Instrument reports: 822,"Too small for sense range"
This is an error occuring within your Keithley device. It is explained in the user manual for your device!
(As far as I remember Keithleys manuals even give suggestions to avoid those errors.)
From message I guess you need to select a different measurement range…
11-17-2020 01:11 AM
Yesterday I modified and change a little bit but Keithley doesnt show datas which i supply
11-17-2020 02:23 PM - edited 11-17-2020 02:23 PM
Hi Doniyor,
you are using "German" regional settings (or a very similar regional setting) in your computer account, with a comma as decimal separator.
Those Keithley VIs are made for "English" regional settings, expecting a point as decimal separator.
The Keithley device follows the SCPI standard and also expects a point as decimal separator…
Do you see the problem?
Several options:
(In my department I advise all colleagues to use English numeric formats to avoid any problems with hardware and other software. I only give support on software problems when they follow my suggestion…)
11-26-2020 06:32 AM
Hi,
There were changed smth. I supply 2V Keithley24XX shows everythings is right that what I supplied but after contact with element voltage change accidently.
I attached file. Please any advise