HP3885A with GPIB interface

I'm trying to develope a program under Labview 7.1 to acquire the spectrum from the HP3885A with GPIB interface. Does anyone have the driver or example vi for HP3885A?
Thanks,
Waymon

Is the HP3885A an IVI compliant instrument? Can you use an IVI driver with it? Even if there isn't one available, or if no users respond with a driver, you could use the IVI Class drivers, if it is classified as an IVI device. Also, have you submitted a request a driver?
Logan S.

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Problem retriving data from OSA MS9710 with GPIB interface

Hi all,
I'm trying to read data from Anritsu OSA MS9710 using a GPIB interface and a terminal software in computer. However, I am not having sucess with it. Anyone know how can I do this? or another way to read this data without needing a floopy disk?
Thank a lot!

Anritsu has a LabVIEW driver. I don't know what kind of terminal software you are talking about. Most terminal emulators are only useful for RS-232. You can use MAX (Measurement & Automation Explorer) to communicate. Nor do I understand how a floppy disk could help.

How to use labview with gpib to connect with Agilent PNA E8362B ?i am newbie ..just started to work on labview about a fortnite bck and a novice in interfacing skill ..so plzzzzz explain me in a litle detail

how to use labview with gpib to connect with Agilent PNA E8362B ?i am newbie ..just started to work on labview about a fortnite bck and +i am a novice in interfacing(networking... jst know tidbits) skill ..so plzzzzz explain me in a litle detail

Sir
We were able to solve that problem...but now could you advice as to which DC power supply we should use (preferably avalable in India) so that it can be controlled by Labview (through a gpib/rs232/any other port) to give a square wave of desired frequency/other parameters.
Regards
Shivam

Problem with Get the current and voltage from HP Power Supply (HP E3631A), using the GPIB interface.

my USB device's power support is from the DC Power Supply ( HP E3631A)
I need to read using current from a DC Power Supply ( HP E3631A),via GPIB interface.
When I use the follow command.Why can't read the current value.My environment is in vc++ 6.0.
"APPL P6V,5.0,1.0"
"OUTP ON"
"MEAS:CURR? P6V"
attached the NI SPY File.Please check it.
Can you tell me what the problem is ??
Thanks in Advance !
Hope you can solve my problem !!!"
Attachments:
E3631AERR.spy ‏7 KB

Hi neilchuang,
A read timeout error is usually caused by an error on the command string sent.
The first thing I would check is if the instrument requires a termination character at the end of each message (such as linefeed). I noticed in the Spy capture that the commands do not have a termination character attached. This means that the instruments never recognized that you completed the query command, it doesn't execute the requested action and as a consequence of that it doesn't have any data to return.
One question: Is the instrument detected by MAX when you scan for instruments?. If yes then you can assume that the GPIB software and hardware are properly installed. The scan for instruments sends the *IDN? (terminated by a linefeed). You can right-cli
ck on the instrument entry in MAX and select "Communicate with instrument". Notice that at the end of the command the linefeed is included (\n).
Double check with the instrument manual if the commands sent are the right ones.
Finally, there is an instrument driver available in the idnet library: www.ni.com/idnet. Search for 3631. Since you are working in C you can use the LabWindows/CVI Plug and Play driver. Even if you decide not to use the instrument driver, you can still use it as an excellent reference on how to program with the instrument.
Hope this helps!.
DiegoF
National InstrumentsMessage Edited by Molly K on 02-18-2005 11:05 PM

Populating list with connected GPIB interfaces

I'm working on the setup section of an APP in Delphi5.0 using the GPIB-32.DLL and am a little baffled. Ni supplied this little gizmo that searches for GPIB interfaces (not devices). I would like to emulate this functionality for my application in a setup wizard sort of way so the end user can simply select from a list of 'detected' interfaces. In looking at the DLL calls they all seem to require previous knowledge of the device location. So I'm wondering if there is a set range of possible Primary and Secondary addresses I can use to just loop through searching for an interface. I'm assuming here that anything that wouldn't toss a failure when sent a Pri/Sec Address would be a set of valid device ports. On that note...
are there some specific commands to issue that will return a string telling me exactly what it found on that Pri/Sec address?
Thanks!
CT

Ok.. I made some progress. Using SendIFC and ibfind, etc, watching NiSpy I have determined this is coming back as an Integer and other Ni applications use the Init_DA_Brds to obtain a translation of the integer to descriptive title. However I don't have access to that and the only reference I found of the device list codes is from 1999 which does not include some of the newest hardware including the USB based devices.
Is there a newer list of product codes available?

MAX communication hangs after Standby Mode(with GPIB PCMCIA)

I have a IBM Laptop with MAX 2.2 and a GPIB PCMCIA Card installed. After booting the computer I can communicate with GPIB instruments without problems. After I get the Laptop out of a Standby Mode, MAX can not make any connection to GPIB devices; when I scan for Instruments it hangs as well.
The troubleshooting wizard tells me: one or more GPIB interfaces failed.
Does anyone have the same problems or solutions ?

On the NI-488.2 2.0 download page it is mentioned that that driver does not support standby mode. No such mention is made on the download page for NI-488.2 version 1.7 (which I need to use for my PCMCIA-GPIB interface), although the 1.7 release shows very much the same problem: After stand-by, communication with the GPIB port is no longer possible.
The Visual Basic example tool for preventing stand-by may help those users who are familiar with VB, but it does not help me.
Frankly - what I'd like to see is an improved NI-488.2 version that does support stand-by. Does NI consider providing such an upgrade/patch?

Problems with GPIB

Hi
I have installed a NI GPIB card and the 488.2 software to go with it.
I already
have a 96 way DAQ installed which works fine. The GPIB software has
been installed before the board and seems quite happy. The card is
recognised by the system and PCI-GPIB appears under the Devices and
interfaces in MAX, so the system recognises the fact that it has GPIB
hardware is installed.
I have gone through the start-up wizard and and have configured as as
PCI-GPIB and given it the number GPIB0, the DAQ is labelled as 1.
Trying to use Max to talk to the instrument and going through
interactive controls to try to establish comms using *IDN? gives the
same result. Whatever I do I get the dialogue box claiming that the
instrument has to be powered up or cables
checked. These are all
known to be ok. This is about as far as I can get. If I run the
trouble shooting wizard I get a failure on the "GPIB interfaces
sequentially verified" section although the GPIB0 is recognised.
Further investigation brings up the standard box that says unknown
hardware error and the list of suggestions.
The software has had the primary and secondary address set to 0 and
then set to the instrument address of 18. Still no joy.
Whatever I try, when I run scan for instruments, I get the same
dialogue box advising me to check the cables and power to the
instrument.
The instrument I am using is a Racal-Dana 2101 microwave counter
What am I doing wrong?
thanks
Steve Habberley

Hi Steve,
I do not know that device.
Many GPIB devices do not respond to the "*IDN?". THe date of manufacture has nothing to do with version of the spec it is complient with (poorly composed sentence, bad spelling).
Ben
Check the manual.
The *IDN? is not part of the earlier GPIB spec's.
Ben
Ben Rayner
I am currently active on.. MainStream Preppers
Rayner's Ridge is under construction

How to use labview with gpib to connect with Agilent PNA E8362B ?

how to use labview with gpib to connect with Agilent PNA E8362B ?i am newbie ..just started to work on labview about a fortnite bck and +i am a novice in interfacing(networking... jst know tidbits) skill ..so plzzzzz explain me in a litle detail

Duplicate Post.

What exactly is happening/failing when "GPIB Interfaces sequentially verified" FAILS?

I have an AT-GPIB/TNT+ card installed in my computer. It fails the "GPIB Interfaces sequentially verified" portion of the Wizard program. I am able to communicate (IBIC) with my instruments, so it appears that all is working well. I do have older non-compliant GPIB interfaces so the "Scan for Instruments" does not work. What exactly is failing in the Wizard and what can I do? I have windows 95.0.

Janet,
Typically when the installations fails the sequential verification, it is due to either a resource conflict or a device being connected to the board during the test. You can click on the failed interface to get a brief explination of what may have caused the error.
There are instances reported using the AT-GPIB/TNT+ board and Win 98 inwhich this error was reported even though there were no problems with the board's setup. Since you are communicating properly with the board through IBIC your board is functioning properly, and I would not be concerned with the error message.
As for your instrument, this is likely due to your instruments non-compliance to 488.2 standards. Whenever the Measurement & Automation Explorer does a "Scan for Instruments", it sends out the stri
ng "*idn?" (which is an IEEE 488.2 identification query string) to all of the devices on the bus. If you have older, non-IEEE 488.2 compliant instruments on your GPIB, then they will not recognize this string as a valid command. This will cause "Scan for Instruments" to fail.
Best Regards,
Chris D

PC-Card GPIB Interface for a Desktop PC using USB card reader?

I have a IOTech's PCMCIA GPIB interface card. It works well on the notebook with LabVIEW. I want to use it on the Desktop PC using USB card reader or other connectors with LabVIEW.

Somebody wrote in about this issue. From his comments, it sounds like it may work.
See:
http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101&RNAME=ViewQuestion&HOID=506500000008000000E6100000&ECategory=Measurement+Studio.LabWindows-CVI
Randy Solomonson
Applications Engineer
National Instruments

GPIB instruments connected through Agilent USB/GPIB Interface can bee seen in MAX but can't communicate in labview

I have an Agilent 82357B USB/GPIB Interface connected to my computer.
Attached to that, I have two lock-in amplifiers (an SR830, and an SR
850). I would like to be able to communicate with them through GPIB.
I have downloaded and installed the software for the Agilent device
(Agilent IO Control), and I can see the interface and the two devices
in that software. Here's what is configured in this software, that I
can see:
The VISA interface ID is GPIB0, and its address is 0
The VISA addresses of the devices are GPIB0::4::INSTR and GPIB::12::INSTR, and the GPIB addresses are 4 and 12
In Measerment and Automation Explorer (MAX), I made sure that the
Passport for Tulip box was checked. Once it was, I could see the
devices in the Configuration window under Devices and Interfaces ->
Miscellaneous VISA Resources. There, I see GPIB0::INTFC, GPIB0::4::INSTR and GPIB::12::INSTR.
I can right click on either of the instruments, and "Open VISA Test
Panel" where I am successfully able to send commands and read from both
devices.
HOWEVER, when I am running an actual LabView program, I am unable to communicate with the devices.
For example, when I try to communicate to the devices through VISA,
using the 'Basic Serial Write and Read.vi' (while VISA Resource Name is
GPIB0::12::INSTR), I get an error:
Error -1073807331 occurred at Property Node (arg 2) in VISA Configure Serial Port (Instr).vi->Basic Serial Write and Read.vi
Possible reason(s):
VISA: (Hex 0xBFFF001D) The specified attribute is not defined or supported by the referenced resource.
When trying to communicate with them through GPIB (which is what I want
to do in the end), using 'GPIB.vi' I also get an error. Here, GPIB
address is 12, and I am just trying to give it the command *IDN?
GPIB Write returned error code:
EDVR: Error connecting to driver or device
What's going on?

You can use VISA Write and VISA Read. You just can't use the example called Basic Serial Write and Read because that is specifically for the RS-232 port. The GPIB-VISA is one of the shipping examples. Start the example finder and go to the search tab. Search for VISA.
Again, no you cannot use the GPIB functions with a non-NI controller. The low level functions for an NI board and an Agilent one are completely different. You can rewrite the driver to use VISA or you can rewrite it to use the low level functions that Agilent provides. You use the Call Library Function Node, I believe to access their GPIB driver.
I hate to say it but the $20 difference between the Agilent and the NI controller does not seem like much of a saving.

Can't find GPIB interface

I have a HP82350A GPIB card installed in my computer with Win2000 OS. The old IO library provided by HP doesn't work under Win2000, so I went to agilent's site and got a new IO library which is for their GBIP card also named 82350A. (I guess these two products are the same) And it works, the io config shows the GBIP card, and my program written with SICL in C++ can also control a power supply. But what I want, is to use Labview to control a hp oscilloscope(now it also belongs to agilent), so I installed NI488.2 from NI's site. And, it said that I have no GPIB interface!! I've reinstalled the software and hardware for many times, no use. Anyone knows what's wrong with this card? or, did I miss something? Thanks a lot!
Dan

I have gone through this a number of times on our WIN NT platforms. The instructions that I got from NI was to load the HP VISA drivers and do NOT load NI VISA. NI488.2 is for NI cards. If the HP IO library sees the cards, then you're set. Also, MAX will not work with the HP card.
Use the VISA calls in LabVIEW and use the "standard" VISA names for instruments on the GPIB bus (eg. GPIB0::9::INSTR). Since MAX does not work, you will not be able to setup an alias that LabVIEW will work with.
I use this method and my LabVIEW programs work with our NI cards, HP cards and Computer Boards cards without having to change the program.
Rob

Error 7 file not found NI-488 nonexistent GPIB interface

I'm trying to use an accelerometers with cRIO through NI 9234. I'm using an Fpga example which I modified according to my characteristics. Till here, everything is OK, nevertheless when I open the Fpga vi file and I run it compilation is not finished and it si returned the next message:
Error 7 occurred at NI_LVConfig.lvlib:Load.vi
Possible reason(s):
LabVIEW: File not found. The file might have been moved or deleted, or the file path might be incorrectly formatted for the operating system. For example, use \ as path separators on Windows, : on Mac OS X, and / on Linux. Verify that the path is correct using the command prompt or file explorer.
=========================
NI-488: Nonexistent GPIB interface.
I have attempted several possible solutions paste in the forums but I have not solved the problem
Attachments:
error 7.docx ‏13 KB

Are you using any filepaths in your application? Does the VI have any subVI's? The error you are getting is triggered by a reference to a filepath. Does your application call a file at any point? You need to make sure that all of the filepaths your application is referencing are in fact the correct location for these files.
Also, you may need to check your Open FPGA Reference VI, which loads a bitfile. Usually, this bitfile relies in the same directory as your LabVIEW Project.
Hope this helps!!
Anuar Rojas
Anuar R.
National Instruments México y Latinoamérica
Ingeniería de Aplicaciones
www.ni.com/soporte

Creating exe with GPIB-USB

When I create an application that uses my GPIB-USB-A interface it is not included as one of the VISA selections when the application is installed. Which files do I have to add to application installation to have my application work with GPIB-USB?

You would need to install the GPIB and VISA driver,
For GPIB, follow the steps from www.ni.com/support/install. You can download the latest visa driver from, ftp://ftp.ni.com/support/visa/drivers/

Trouble starting Gpib interface(code 10)

I am getting touble with the interface, in the measurment and automation tool, when i tried to scan for the instrument then it checks for the software and says ok and for the hardware it says ok but it says it failed because of the interface hadnt started (code10).. I really dont know how to solve the problem, i appriciate your help, and my phone number is 301 975 3789.

HI,
Microsoft describes the error as: "This code means that the device failed to start (for example, it is missing or is not working properly). To resolve this error code, make sure the device is attached to the computer correctly. For example, make sure all cables are plugged in fully and that all adapter cards are plugged into their slots fully."
What GPIB hardware are you using?. What OS? Make sure you are using the lastest driver for your Hardware/OS combination. Check the drivers at Gpib Driver updates.
Try installing the interface in another PC to determine if there is a hardware problem with the GPIB interface.
DiegoF
National Instruments

HP3885A with GPIB interface

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