[volt-nuts] 3458 memory and communications

[new]

I've been using an old HP GPIB card in a pci slot in my 7 year old PC.

It's running win7 with the latest version of Agilent Connection Expert
and I've had the 3458 and three 3457s all hooked up at once with no
problems. I don't have any $$$$ lab programs, just hand-enter commands
and then copy/paste the data it retrieves to 'notepad'.

After every cal, I query the (cal? nnn) data, dump it and save it.

Are you saying that it would be possible to use this setup to dump the
memory data?

Willy



On 8/7/2014 10:23 AM, volt-nuts-request at febo.com wrote:
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>     1. Re: HP3458A calibration memory backup (J. L. Trantham)
>     2. Re: HP3458A calibration memory backup (Poul-Henning Kamp)
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> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 7 Aug 2014 09:14:50 -0500
> From: "J. L. Trantham" <jltran at att.net>
> To: "'Discussion of precise voltage measurement'" <volt-nuts at febo.com>
> Subject: Re: [volt-nuts] HP3458A calibration memory backup
> Message-ID: <012401cfb249$f429ca90$dc7d5fb0$@att.net>
> Content-Type: text/plain;	charset="us-ascii"
>
> Poul,
>
> I would love to know where the CALNUM value is stored.
>
> Any idea?
>
> Thanks.
>
> Joe
>
> -----Original Message-----
> From: volt-nuts-bounces at febo.com [mailto:volt-nuts-bounces at febo.com] On
> Behalf Of Poul-Henning Kamp
> Sent: Thursday, August 07, 2014 12:36 AM
> To: Discussion of precise voltage measurement; Mark Sims
> Subject: Re: [volt-nuts] HP3458A calibration memory backup
>
> --------
> In message <BLU170-W4732A073BE87463FF74529CEE10 at phx.gbl>, Mark Sims writes:
>> I have three HP3458A's and decided it was time to back up the battery
>> backed static RAM chips.  [...]
>> I dumped the third
>> machine from a cold start and one byte was different between each dump.
> If you mail those files to me, I can try to see if that bit matters.
>