[time-nuts] Re: Stanford Research SR620 GBIB

[Volker Esper]

Julien,
Can you please tell us wich GPIB-adapter you are using?
Thanks
Volker

Am 28. August 2021 09:03:09 MESZ schrieb Julien Goodwin <time-nuts at studio442.com.au>:
>For an upcoming (very time-nutty, and hopefully to be shared soon)
>project I need to finally do some frequency datalogging.
>
>I've had a Stanford SR620 sitting around, and plugged it in to a handy
>GPIB adapter (*not* a major commercial one, one of the community ones).
>
>While I can get it to talk GPIB there seems to be some reliability
>issues, with what looks to be some form of read buffering happening,
>with measurement results coming in as the answer to some later command.
>
>A few times I've even restarted it as it stopped responding (luckily
>that hasn't happened once measurements had started).
>
>Since I'm hoping to actually use measurements as part of a control loop
>this is obviously a bad thing.
>
>Does anyone have any experience with the SR620 & GPIB as to why this
>might be happening?
>
>I've not experienced this with other instruments (ancient HP, modern
>Keysight, recent Keithley, 90s Anritsu) I've used with the same GPIB
>adapter.
>
>The SR620 has version 1.48 firmware.
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