Problem Keithley 236 control using a GPIB/USB cable

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• Agilent 82357 B GPIB/USB, problem with distributed applications

  Hello everyone,

  I am developing software that communicates with an instrument, with USB, RS232, Ethernet and GPIB interface

  On my development PC, I can communicate with my instrument using a 82357 B Agilent GPIB - USB converter, without any problem. (and other interfaces as weel)

  I have deployed the application using the Installer application on the target computer Builder. The application works with USB, RS232 and Ethernet interfaces, but I don't see the GPIB interface in the control of VISA resource name.

  I followed the advice given by OR when you use a converter USB GPIB of Agilent (Tulip active...)

  I did the following tests on the target computer:

  -J' installed MAX, and I can communicate with the VISA test panel using the GPIB-USB converter.

  -J' made a small application with the VISA resource find included

  -If I unplugged the converter USB/GPIB instrument, the VISA to find the function return resource: GPIB0::INTFC, COM3, COM4, LPT1 COM7

  -If I plug the converter to the instrument, the function of resource VISA finds return nothing.

  -If I run the interactive command of VISA, I got the following error:

  Cannot find the resource by using expression? " »

  error: BFFF003A

  Name of the State VI_ERROR_INV_SETUP

  I'm using LabView 8.5 under windows XP.

  I have included in the installer

  -Run LabView 8.5

  -VISA 4.4 duration

  The target computer is running Vista.

  Thanks for your help and your support.

  Hello everyone,

  For your information, I have solved the problem in desinstalling then reinstalling my installation software on the target computer.

  I still don't know where the problem was, but it's working now. (even with the version of the driver 15.0 agilent)

  Thanks anyway for your help.

• GPIB-USB-HS driver problem

  Hi all

  I am trying to use a GPIB-USB-HS device on my laptop that I used successfully on my desktop.  NOR-488. 2 is installed on the laptop.  The Wizard "new hardware found" appears when I plug in the USB.  I select locate and install and I get a message saying "windows didn't load the installer for the GPIB.  I wait a few seconds and I'm propted to insert the disc that came with the device.  I do (NOR-488. 2) and continue the installation, I get to the point where things should start to arrive and I tells me that the driver is already installed.  I tried uninstalling and reinstalling with no luck.  I tried to look for the driver to my desktop and put the file on my laptop, not to go as well.  What should I try next?

  It is my understanding that the driver for the device is NEITHER-488. 2, at least it's the only drive I had with the unit, and documentation says there is a device for the device support.  It seems in any case, I have solved my problem.  I plugged the camera and went into the Device Manager and I put it on the tab interface NI GPIB driver.  The computer recognizes it from there.  I am running.

• How old, a driver can be used with the USB-GPIB controller?

  Hello, I have a litter of Nicolet who I'm trying to control using an NI USB-GPIB controller and a Nicolet provided the program. The software were made in 1995 and told me it was made to work with the NI AT-gpib cards and I would need to use a pilot more OLD, BUT I don't have access to one of these cards for a purchased a USB-GPIB, hoping that it would work. A pilot more FORMER will support the GPIB-USB?

  Sorry for you, but not

  This is a really old software and works only on the driver to the gpib.

  Written in LabVIEW software would go from before this date.

• Connection of an instrument with GPIB-USB connection.

  I am trying to use a GPIB-USB adapter to control a unit of Source of LabView. However, I have problems my instrument drivers to recognize the GPIB address specified for the device. I have attached an image below the address specified by IO Keysight connection Expert. I am currently trying to initialized the EMS with the GPIB driver I have attached below. Because of my knowledge limited in LabView instrument control, how should I approach of collecting the correct address of GPIB and recognize it in my VI?

  Hi wyattcurtis824,

  Before we dig into the LabVIEW code, I would recommend a Test Panel of max aperture and trying to communicate with. Are you able to send orders via Keysight connection Expert or NI MAX and see the valid data?

  In addition, when you run the vi in LabVIEW, is pilot it returns an error in the error on the box? If so, what the error is?

  This shoule information help us to the root of the problem.

  Best,

• GPIB-USB-HS works selectively

   

  Situation

  -an old HP3962A works very well using a PCI-GPIB connector on a PC. Code of Labiew.

  -a digital Voltmeter K2000 works well using a hub of GPIB-USB-HS, on a laptop. Laview code.

  Problem:

  NIMAX does not recognize the HP3962 when you use the GPIB-USB-HS hub, on the laptop, although it recognizes seveal other instrument, such as the K2000 dvm.

  Thanks for the suggestions, Philippe

  After having removed the long 1.5 m GPIB cable and linking the GPIB-USB-HS unit directly to the old HP3562A unit, NIMAX recognizes this instrument (low level).

  Direct com on NIMAX does not, but the LabView code (old) written to read the data works.

  The bus speed was maybe the question.

  Resolved for now, thanks to you all.

• GPIB-USB > OR 120?

  1.

  Can always use 28 (2 x 14) features if I will use my NI 120 - A GPIB Extender/isolator with a NI GPIB USB converter? (Instead of max 14 machines of the converter NI GPIB USB itself?

  2.

  What is the difference between GPIB-USB B and HS? (different speeds...?)  If so which speeds? )

  Thank you

  Peter PE1E.

  Dennis_Knutson wrote:

  The HS uses a proprietary technology to expand 7.9 Mbps speed, but instruments also supports the HS standard. Use the HS if you have the choice.

  I wouldn't say HS488 exclusive at this stage, as it was added to the IEEE standard, but not all the instrument providers have chosen to use.

  Even if your instruments do not support the HS488 to approach the 7.9 Mbps Dennis mentioned, you can always get the best performance by using a GPIB-USB-HS. The GPIB-USB-B speed is limited by the maximum USB 1.1 speed, while the GPIB-USB-HS is a USB 2.0 device. This allows the GPIB-USB-HS to deliver about 1.8 MB/s using the traditional handshake GPIB, if your instrument is able to support. The GPIB-USB-B could reach only about 1 MB/s. The difference would be more visible if you use instruments that transfer large amounts of data back through the bus.

  You should also consider that the GPIB-USB-B was not produced by OR for many years, so everything you buy is going to be very old. Even the GPIB-USB-HS also was replaced last year by the most recent card GPIB-USB-HS +. While that still USB 2.0, the GPIB-USB-HS + has a faster processor, reducing the latency on many operations. It also includes bus GPIB analyzer capabilities, if you need to debug to the GPIB signal level.

• GPIB-USB-HS Windows drivers only

  I use a GPIB-USB-HS USB GPIB adapter for laboratory automation and need to install drivers for devices on a certain number of the PC lab.  All I need are windows drivers and eventually DLL managed, although I would rather deploy DLLs and my applications.  All my software automation runs on the CLR and not of labview.

  My question:

  How can I get only the drivers for this device?  The only download that I can find on NI.com ( http://joule.ni.com/nidu/cds/view/p/id/2129/lang/en ) installs almost 400 MB of software which should really go on my lab PCs.  In addition, the size of the package makes deployment and maintenance a bit unmanageable to me.

  Best regards

  Peter Baughman

  Hi Peter,.

  Unfortunately, there is currently no 'activity' version of the GPIB driver, so the link you provided is the right driver which should be installed on each computer that will run your GPIB software. Without having to install this driver, the GPIB-USB-HS will not be recognized by the client computers.

  Best,

  John M

• Connectivity of VISA GPIB/USB Agilent 82357 B

  Hello

  I'm under LabVIEW 8.5 on a 8106 PXI controller.  I connect to an Agilent E3632A DC Power Supply via an Agilent 82357 B GPIB/USB cable.  I installed the Agilent IO 15.5 Library Suite and have NI-VISA 4.4.1 installed as well.  All my gear of PXI chassis and NEITHER appear in MAX.

  LabVIEW is currently not able to see my 3632 on the bus A VISA, but the Agilent connection Expert he sees very well.  I am at a loss as to why NI-VISA do not.  Help, please!

  Thank you

  Sean

  Thanks for the replies, but I found it finally.  The Agilent IO 15.5 Suite library helps:

  ----------------------------------------------------

  Activation of the NI-VISA for Tulip Passport

  For software OR recognize the Agilent material, you must activate the Passport NOR VISA for Tulip. It is a software module that is included with NI-VISA for support of Agilent material and is not enabled by default. Use the NI Measurement and Automation Explorer (MAX NOR) to activate the passport for Tulip.

  In versions 3.0 and later of NEITHER MAX, you can do:

  Beginning NOR MAX
  Click Tools > NI-VISA > VISA Options...
  In the tree, select passports.
  Select the passport for the Tulip checkbox.
  Click Save to save the settings
  Output OR MAX, wait a few seconds and restart NI MAX (you must restart NI MAX for your changes to take effect).

  For details specific to your version of MAX to OR see documentation of NOR.

  ----------------------------------------------------

  It worked like a charm.

  Thank you

  Sean

• GPIB-USB-HP6675A

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  Need examples of location and library program.

  Thank you!

  The simulation is only possible with IVI.

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