Re: Agilent 82357B repeatable hard failure

Hi Dave, Everyone,

Yes the current SVN kernel solves my problem and I'm able to read the 
calibration
data from my HP3478A.

Jim

On 9/28/23 11:59, dave penkler wrote:
> Hi Jim,
> Can you please let us know if the removal of TCS in the SVN works for 
> your reading of the calibration data.
> I have thought some more about your proposal to set ATN at the end of 
> the read. We just need to verify that board level reads after the 
> first device level read still work with the ATN workaround.
> If it does that would give us a reliable board level ibsta, From the 
> logic analyser traces it looks like the board gives valid ADSR 
> responses when it is in the Talker Active state i.e. after ibwrt.
> -Dave
>
> On Wed, 27 Sept 2023 at 16:37, Michael K <[email protected]> wrote:
>
>     > On Wednesday, September 27, 2023 at 07:02:51 AM EDT, dave
>     penkler <[email protected]> wrote:
>     > The 0x164 from the NI-USB-HS is the correct value for ibsta. Did
>     you do one byte reads with ibtest ?
>
>     No, that would be too logical 😺
>
>     I tried that and it seems that the device responds to an
>     unsolicited read with " 9.9E + 37". (which according to the manual
>     means  OFLO - Measured value (invalid))
>     ( to do a measurement you are required to send a *TRG)
>
>     On more careful examination, the first byte read by "onebyte.c" is
>     'R' of the IDN string 'ROHDE&SCHWARZ,NRVD, 101654.002,V1.52  V1.40'.
>     I guess the device dumps the rest of the string after the first
>     read. After than I read the first byte of ' 9.9E + 37'.
>
>     Michael
>

_______________________________________________
Linux-gpib-general mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/linux-gpib-general