Keithley 236 with C#

[agent]

Dear all,

We would like to develop a software with the Keithley Measure Unit Model 236, C#, National Instruments Gpib interface and Measurement Studio 8.0.1.

Do you have experience how this can be realised? I could only find examples and drivers for LabView.

Thanks in advanced.

Best regards.

[Marco_Brauner]

Hi agent,

I could only find LabVIEW drivers for your unit as well. So if there is no C-API for it, you have three choices in my opinion:

-  using our NI-488.2 + VISA drivers to write an instrument-driver for the Keithley 236 yourself

-  converting the LabVIEW-driver to a dll, which you can call in C#.

   For the conversion you need LabVIEW + LabVIEW Application Builder for building the DLL

   This would be the quickest and most convenient way. Do you own LabVIEW ?

-  requesting a driver at www.ni.com/idnet

Since there is no C-API at this time, there are no respective examples on the web. But there are general VISA-Examples

for C# coming with the NI-VISA driver. So you just have to install it.

Marco Brauner NIG 

[agent]

Thanks for the information. We have LabView, but I am not sure if we have the Application Builder software.

How can I get the needed calls to access the device and read/write values in the correct programming order ?

I could find only some manuals at

http://www.keithley.com/products/currentvoltage/?path=236/Documents#6

but I cannot get the answers which I need.

Thanks.

Best regards,

[cymrieg]

Agent,

If I was you I would use the COM-VISA which works well in .NET (C# and VB.NET) and send the commands to the 236 yourself. Look at the pdf on the Keithley web site for the commands to send: www.keithley.com\data?asset=877

If you need help with COM VISA and C# then give me your email address and I can send you an example.

[agent]

Thanks. I will try to convert first the LabView-driver to dll.

I hope it works.

[agent]

I have now converted the LabView driver to dll and I am actually trying to convert the content of the header files to C#.

Do you know how the next struct can be converted to C#? Especially the words LVBoolean and LStrHandle?

typedef struct {
    LVBoolean error;
    long code;
    LStrHandle source;
    } TD1;

Thanks.

[M.Jonathan]

Hi agent,

Do you able to work with the converted Labview DLL in c#?