"Garvin, Al" <al.garvin@lmco.com> wrote:
>
> Question 1.. What would the 1417 address be point to?
Many instruments have a secondary GPIB address used for direct
communications to printers or whatnot. Ignore 1417 unless you're
wanting to talk to stuff attached to the instruments private GPIB
bus.
>
> Question 2.
>
> The HP82357A configured itself as "gpib1" but when I go to I/O Manager
> and select "Find Instruments" it comes up as "gpib8" and it finds my analyzer
> at 816. When I run the program it errors out when it tries to talk to the
> plug n play panel pointing to 1416.
sure- the instrument is at 816 - you are pointing to 1416. It will error.
>
> Is there some easy way to re-direct all the calls to plug n play panels
> pointing to 1416 to 816?
not really- point to 816. Just be sure to use the same name so that
your programs won't break.
Stan
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Stan Bischof Agilent Technologies 707-577-3994 stan_bischof@agilent.com
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>
> Question 1.. What would the 1417 address be point to?
Many instruments have a secondary GPIB address used for direct
communications to printers or whatnot. Ignore 1417 unless you're
wanting to talk to stuff attached to the instruments private GPIB
bus.
>
> Question 2.
>
> The HP82357A configured itself as "gpib1" but when I go to I/O Manager
> and select "Find Instruments" it comes up as "gpib8" and it finds my analyzer
> at 816. When I run the program it errors out when it tries to talk to the
> plug n play panel pointing to 1416.
sure- the instrument is at 816 - you are pointing to 1416. It will error.
>
> Is there some easy way to re-direct all the calls to plug n play panels
> pointing to 1416 to 816?
not really- point to 816. Just be sure to use the same name so that
your programs won't break.
Stan
--------------------------------------------------------------------------
Stan Bischof Agilent Technologies 707-577-3994 stan_bischof@agilent.com
--------------------------------------------------------------------------
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Question 1.
I have a laptop with 1ea. NI PCMCIA GPIB card in it. It is attached to a HP 8753D network analyzer who's address is 16. When under I/0 Manager, I do a Find Instruments, it comes back with instruments found at "GPIB14 two instruments found at 1416 and 1417". It also comes back with GPIB32 with two instruments found
at 3216 and 3217. I create 2 panels using plug n play. One on the GPIB14 and one on the GPIB32 interface. They both seem to work fine. So they must be pointing to the
same instrument. But I don't know why it finds two interfaces when there is only one in the computer. Also I can seem to "remove the interface at 1417 and/or 3217" and the
programs still work fine. What would the 1417 address be point to?
Question 2.
I have several programs that were written in Vee 6.01 that talk to an HP 8753 Network analyzers and HP 3488 switches. The were written on a machine which had
a NI PCMCIA card installed and the address for the analyzers is "network_analyzer@1416". I am using calls to the AG875x plug n play driver.
I just got an HP82357A usb to gpib cable. I installed it on the laptop and attached my network analyzer (address 14) to it. The laptop also has an NI PCMCIA card in it which is known to the system as "gpib0". The HP82357A configured itself as "gpib1" but when I go to I/O Manager and select "Find Instruments" it comes up as "gpib8" and it finds my analyzer at 816. When I run the program it errors out when it tries to talk to the plug n play panel pointing to 1416.
Is there some easy way to re-direct all the calls to plug n play panels pointing to 1416 to 816?
It will not let me remove the "network_analyzer@1416" instrument and complains that there are plug n play calls to
this instrument and they must be removed before it will allow me to delete it. I tried to rename the "newinstrument@814" to "nework_analyzer@814" and it complains that
there is already an instrument named "network_analyzer".
Ever since I have had VEE I have never understood just how I/O manager does it thing, but all of my programs have been ran on similar machines with pcmcia gpib
interfaces. I would sure like to know just what it is doing so I can use other configurations on other computers. Does anyone know of some documentation which explains
in layman's terms what all these address and interface names mean?
Thanks,
Al Garvin
Lockheed Martin
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