"Framing error" or "override" sounds like a parity or stop bit issues. Have you changed those at all? 7E2 often works when 8N1 is specified.
> On Apr 22, 2014, at 10:34, "Collins, Graham" <[email protected]> wrote: > > Thank you Thomas, > > I have that document but it wasn't of much help. I spent much time over the > weekend reading through the various hp documents for this scope and > interfaces but it did not shed any light on the subject. > > Cheers, Graham > > > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Tom Knox > Sent: April-22-14 10:28 AM > To: Time-Nuts > Subject: Re: [time-nuts] hp 54600a and rs-232 > > This may help: > http://cp.literature.agilent.com/litweb/pdf/54652-97004.pdf > > Thomas Knox > > > >> From: [email protected] >> To: [email protected] >> Date: Tue, 22 Apr 2014 07:21:22 -0400 >> Subject: [time-nuts] hp 54600a and rs-232 >> >> While only related to time nuttery in the sense of the hp 54600a being an >> instrument (oscilloscope) which we nuts might use make some meaningful >> measurements, I am hoping that members of this list vast knowledge of many >> such instruments may be able to help or at least point me in the right >> direction. >> >> I recently obtained a hp 54600a digital oscilloscope in very good condition >> and while not a modern whiz bang high bandwidth and high speed instrument it >> is quite capable and compliments my old Tektronix 5440 scope quite nicely. >> >> My 54600a has the basic RS-232 interface module which seems to work OK. I am >> able to select "print screen" and send data from the scope to an HP plotter >> or printer - computer actually which collects the data stream and converts >> the hgl data into a png file using a simple script. >> >> However, my attempts at getting the scope to respond to commands via the >> RS-232 serial interface are for naught. I am using a USB to RS-232 converter >> and an appropriate null modem cable. I don't have a proper serial port to >> try however. >> >> When I send commands to the scope it will display "framing error" or >> "overrun" or "rs-232 error (113)" or "rs-232 error (118)" (I can't find >> either error code listed in the hp documents). >> >> Being able to capture a "screen dump" is my primary concern and I am able to >> do so, controlling the scope via rs-232 as I might using a gpib/hpib >> interface is only secondary but still, it would be nice to know why my >> limited attempts have so far not worked. >> >> Ideas? Comments? Suggestions? >> >> >> Cheers, Graham ve3gtc >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- [email protected] To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
