Hi, I have not played with my 53131A RS232 for a couple years and have a question. I want to configure it to "talk" to Hyperterminal so I can log some readings. I did the 5 items to configure it: HW pacing (disabled) print on baud rate (19200) parity SW pacing (none) with a 5Mhz input I only get data sent about once every 3 seconds, I thought with a 1 second gate I'd get an output measurement every second? I would think there is plenty of time to output the first measurement before the next one is read! Actual setup I'm wanting to do is time interval (at a 1PPS rate) and log the results. I remember I had it working once and it would be OK as long as I did not exceed around 80% of full scale. If that happened I would only get an output logged every other second. I can live with that part but need to get back to it working below around 80%. Any advice is most welcome! I'm going to configure for the TI and <80% and see what happens. Cheers, Corby

Hi With a 1 second gate time, you will get one data output per second with the settings you have described. I suspect there is something else wrong with your setup. The same settings will work for 1 pps and give you one reading output per second. The input level should have no impact as long as it will properly trigger the counter. Bob > On Dec 2, 2016, at 12:54 PM, <cdelect@juno.com> <cdelect@juno.com> wrote: > > Hi, > > I have not played with my 53131A RS232 for a couple years and have a > question. > I want to configure it to "talk" to Hyperterminal so I can log some > readings. > I did the 5 items to configure it: > HW pacing (disabled) > print on > baud rate (19200) > parity > SW pacing (none) > > with a 5Mhz input I only get data sent about once every 3 seconds, I > thought with a 1 second gate I'd get an output measurement every > second? > > I would think there is plenty of time to output the first measurement > before the next one is read! > > Actual setup I'm wanting to do is time interval (at a 1PPS rate) and log > the results. > > I remember I had it working once and it would be OK as long as I did not > exceed around 80% of full scale. > If that happened I would only get an output logged every other second. > > I can live with that part but need to get back to it working below around > 80%. > > Any advice is most welcome! > > I'm going to configure for the TI and <80% and see what happens. > > Cheers, > > Corby > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there.

Well, that's only true if your counter has zero dead-time... I know you know this, 1 second gate time will give slightly less than 1 Sa/S. On Fri, Dec 2, 2016 at 1:15 PM, Bob Camp <kb8tq@n1k.org> wrote: > Hi > > With a 1 second gate time, you will get one data output per second with the > settings you have described. I suspect there is something else wrong with > your > setup. The same settings will work for 1 pps and give you one reading > output > per second. The input level should have no impact as long as it will > properly > trigger the counter. > > Bob > > > On Dec 2, 2016, at 12:54 PM, <cdelect@juno.com> <cdelect@juno.com> > wrote: > > > > Hi, > > > > I have not played with my 53131A RS232 for a couple years and have a > > question. > > I want to configure it to "talk" to Hyperterminal so I can log some > > readings. > > I did the 5 items to configure it: > > HW pacing (disabled) > > print on > > baud rate (19200) > > parity > > SW pacing (none) > > > > with a 5Mhz input I only get data sent about once every 3 seconds, I > > thought with a 1 second gate I'd get an output measurement every > > second? > > > > I would think there is plenty of time to output the first measurement > > before the next one is read! > > > > Actual setup I'm wanting to do is time interval (at a 1PPS rate) and log > > the results. > > > > I remember I had it working once and it would be OK as long as I did not > > exceed around 80% of full scale. > > If that happened I would only get an output logged every other second. > > > > I can live with that part but need to get back to it working below around > > 80%. > > > > Any advice is most welcome! > > > > I'm going to configure for the TI and <80% and see what happens. > > > > Cheers, > > > > Corby > > > > _______________________________________________ > > time-nuts mailing list -- time-nuts@febo.com > > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > > and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. >

Hi Ok, it’s 0.99999992 samples per second … I guess that is so close to 5.0000000000000 seconds and so far from 1.000000000000 seconds that it explains the issue Bob > On Dec 3, 2016, at 2:01 PM, Scott Stobbe <scott.j.stobbe@gmail.com> wrote: > > Well, that's only true if your counter has zero dead-time... I know you > know this, 1 second gate time will give slightly less than 1 Sa/S. > > On Fri, Dec 2, 2016 at 1:15 PM, Bob Camp <kb8tq@n1k.org> wrote: > >> Hi >> >> With a 1 second gate time, you will get one data output per second with the >> settings you have described. I suspect there is something else wrong with >> your >> setup. The same settings will work for 1 pps and give you one reading >> output >> per second. The input level should have no impact as long as it will >> properly >> trigger the counter. >> >> Bob >> >>> On Dec 2, 2016, at 12:54 PM, <cdelect@juno.com> <cdelect@juno.com> >> wrote: >>> >>> Hi, >>> >>> I have not played with my 53131A RS232 for a couple years and have a >>> question. >>> I want to configure it to "talk" to Hyperterminal so I can log some >>> readings. >>> I did the 5 items to configure it: >>> HW pacing (disabled) >>> print on >>> baud rate (19200) >>> parity >>> SW pacing (none) >>> >>> with a 5Mhz input I only get data sent about once every 3 seconds, I >>> thought with a 1 second gate I'd get an output measurement every >>> second? >>> >>> I would think there is plenty of time to output the first measurement >>> before the next one is read! >>> >>> Actual setup I'm wanting to do is time interval (at a 1PPS rate) and log >>> the results. >>> >>> I remember I had it working once and it would be OK as long as I did not >>> exceed around 80% of full scale. >>> If that happened I would only get an output logged every other second. >>> >>> I can live with that part but need to get back to it working below around >>> 80%. >>> >>> Any advice is most welcome! >>> >>> I'm going to configure for the TI and <80% and see what happens. >>> >>> Cheers, >>> >>> Corby >>> >>> _______________________________________________ >>> time-nuts mailing list -- time-nuts@febo.com >>> To unsubscribe, go to https://www.febo.com/cgi-bin/ >> mailman/listinfo/time-nuts >>> and follow the instructions there. >> >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to https://www.febo.com/cgi-bin/ >> mailman/listinfo/time-nuts >> and follow the instructions there. >> > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there.

The 53131A is approximately 0.9 Sa/S with a 1 Sec Gate time. With 0.1 s gate time things get really ugly... His issue is not gate time his setup works with print turned off. On Sat, Dec 3, 2016 at 2:42 PM, Bob Camp <kb8tq@n1k.org> wrote: > Hi > > Ok, it’s 0.99999992 samples per second … I guess that is so close to > 5.0000000000000 seconds and so far from 1.000000000000 seconds that it > explains the issue > > Bob > > > On Dec 3, 2016, at 2:01 PM, Scott Stobbe <scott.j.stobbe@gmail.com> > wrote: > > > > Well, that's only true if your counter has zero dead-time... I know you > > know this, 1 second gate time will give slightly less than 1 Sa/S. > > > > On Fri, Dec 2, 2016 at 1:15 PM, Bob Camp <kb8tq@n1k.org> wrote: > > > >> Hi > >> > >> With a 1 second gate time, you will get one data output per second with > the > >> settings you have described. I suspect there is something else wrong > with > >> your > >> setup. The same settings will work for 1 pps and give you one reading > >> output > >> per second. The input level should have no impact as long as it will > >> properly > >> trigger the counter. > >> > >> Bob > >> > >>> On Dec 2, 2016, at 12:54 PM, <cdelect@juno.com> <cdelect@juno.com> > >> wrote: > >>> > >>> Hi, > >>> > >>> I have not played with my 53131A RS232 for a couple years and have a > >>> question. > >>> I want to configure it to "talk" to Hyperterminal so I can log some > >>> readings. > >>> I did the 5 items to configure it: > >>> HW pacing (disabled) > >>> print on > >>> baud rate (19200) > >>> parity > >>> SW pacing (none) > >>> > >>> with a 5Mhz input I only get data sent about once every 3 seconds, I > >>> thought with a 1 second gate I'd get an output measurement every > >>> second? > >>> > >>> I would think there is plenty of time to output the first measurement > >>> before the next one is read! > >>> > >>> Actual setup I'm wanting to do is time interval (at a 1PPS rate) and > log > >>> the results. > >>> > >>> I remember I had it working once and it would be OK as long as I did > not > >>> exceed around 80% of full scale. > >>> If that happened I would only get an output logged every other second. > >>> > >>> I can live with that part but need to get back to it working below > around > >>> 80%. > >>> > >>> Any advice is most welcome! > >>> > >>> I'm going to configure for the TI and <80% and see what happens. > >>> > >>> Cheers, > >>> > >>> Corby > >>> > >>> _______________________________________________ > >>> time-nuts mailing list -- time-nuts@febo.com > >>> To unsubscribe, go to https://www.febo.com/cgi-bin/ > >> mailman/listinfo/time-nuts > >>> and follow the instructions there. > >> > >> _______________________________________________ > >> time-nuts mailing list -- time-nuts@febo.com > >> To unsubscribe, go to https://www.febo.com/cgi-bin/ > >> mailman/listinfo/time-nuts > >> and follow the instructions there. > >> > > _______________________________________________ > > time-nuts mailing list -- time-nuts@febo.com > > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > > and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. >

Hi It’s quite a bit better than that if you speed up the i/o (higher baud rate etc) Bob > On Dec 3, 2016, at 3:05 PM, Scott Stobbe <scott.j.stobbe@gmail.com> wrote: > > The 53131A is approximately 0.9 Sa/S with a 1 Sec Gate time. With 0.1 s > gate time things get really ugly... His issue is not gate time his setup > works with print turned off. > > On Sat, Dec 3, 2016 at 2:42 PM, Bob Camp <kb8tq@n1k.org> wrote: > >> Hi >> >> Ok, it’s 0.99999992 samples per second … I guess that is so close to >> 5.0000000000000 seconds and so far from 1.000000000000 seconds that it >> explains the issue >> >> Bob >> >>> On Dec 3, 2016, at 2:01 PM, Scott Stobbe <scott.j.stobbe@gmail.com> >> wrote: >>> >>> Well, that's only true if your counter has zero dead-time... I know you >>> know this, 1 second gate time will give slightly less than 1 Sa/S. >>> >>> On Fri, Dec 2, 2016 at 1:15 PM, Bob Camp <kb8tq@n1k.org> wrote: >>> >>>> Hi >>>> >>>> With a 1 second gate time, you will get one data output per second with >> the >>>> settings you have described. I suspect there is something else wrong >> with >>>> your >>>> setup. The same settings will work for 1 pps and give you one reading >>>> output >>>> per second. The input level should have no impact as long as it will >>>> properly >>>> trigger the counter. >>>> >>>> Bob >>>> >>>>> On Dec 2, 2016, at 12:54 PM, <cdelect@juno.com> <cdelect@juno.com> >>>> wrote: >>>>> >>>>> Hi, >>>>> >>>>> I have not played with my 53131A RS232 for a couple years and have a >>>>> question. >>>>> I want to configure it to "talk" to Hyperterminal so I can log some >>>>> readings. >>>>> I did the 5 items to configure it: >>>>> HW pacing (disabled) >>>>> print on >>>>> baud rate (19200) >>>>> parity >>>>> SW pacing (none) >>>>> >>>>> with a 5Mhz input I only get data sent about once every 3 seconds, I >>>>> thought with a 1 second gate I'd get an output measurement every >>>>> second? >>>>> >>>>> I would think there is plenty of time to output the first measurement >>>>> before the next one is read! >>>>> >>>>> Actual setup I'm wanting to do is time interval (at a 1PPS rate) and >> log >>>>> the results. >>>>> >>>>> I remember I had it working once and it would be OK as long as I did >> not >>>>> exceed around 80% of full scale. >>>>> If that happened I would only get an output logged every other second. >>>>> >>>>> I can live with that part but need to get back to it working below >> around >>>>> 80%. >>>>> >>>>> Any advice is most welcome! >>>>> >>>>> I'm going to configure for the TI and <80% and see what happens. >>>>> >>>>> Cheers, >>>>> >>>>> Corby >>>>> >>>>> _______________________________________________ >>>>> time-nuts mailing list -- time-nuts@febo.com >>>>> To unsubscribe, go to https://www.febo.com/cgi-bin/ >>>> mailman/listinfo/time-nuts >>>>> and follow the instructions there. >>>> >>>> _______________________________________________ >>>> time-nuts mailing list -- time-nuts@febo.com >>>> To unsubscribe, go to https://www.febo.com/cgi-bin/ >>>> mailman/listinfo/time-nuts >>>> and follow the instructions there. >>>> >>> _______________________________________________ >>> time-nuts mailing list -- time-nuts@febo.com >>> To unsubscribe, go to https://www.febo.com/cgi-bin/ >> mailman/listinfo/time-nuts >>> and follow the instructions there. >> >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to https://www.febo.com/cgi-bin/ >> mailman/listinfo/time-nuts >> and follow the instructions there. >> > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there.