My reply about a typo contained a typo. The SCPI command in question is “*IDN?”.
> On Apr 19, 2019, at 1:06 PM, Michael Davidsaver via Tech-talk <[email protected]> wrote:
>
> All,
>
> I've come across a new (to me) oddity involving GPIB communication between
> a Keysight/Agilent E5810A GPIB to ethernet bridge, and a Keysight/Agilent/HP
> 3458A DMM. I'm contacting Keysight support, but thought I'd see if someone
> had already run across this issue.
>
>
> It appears that the DMM is receiving commands which I send.
> "BEEP" makes the DMM beep. If I send an invalid command I can
> read the error message through its front panel.
> However, valid commands which should send a reply (eg. "ID?") don't
> trigger an error, but also timeout without sending back any reply string.
>
> I see the same behavior with a second 3458A. Also when sending commands
> directly through the embedded web server in the E5810A or a python vx11 client.
>
> I tried two different GPIB devices (Keithley and Datron DMMs) with the same
> E5810A and cable. Both send back replies and otherwise behave as I expect.
>
>
> Thanks,
> Michael
>
>
> Also, a random fact for Friday. I was on a flight from JFK to LHR
> which was listed as 3458 miles.
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