Am Wed, 13 May 2015 13:44:01 -0400 schrieb James via time-nuts <time-nuts@febo.com>:
> I have the TI 930 and did run it from a computer - I did it under > Windows but had quite a lot of trouble. It worked fine if I used the > Windows own command line shell (I forget what it is called and I'm on > a Linux machine at the moment) but when I tried communicating > directly via the USB port (as COM3) using a c program I found it > difficult to get responses. But this may well be my lack of knowledge > of USB/RS232 under Windows. > > It might well be easier under Linux. > Well, that strongly depends ;-) As long the OS doesn't interfere too much, it should work on *ANY* platform. Its just that I do not have a windows machine as I'm fine with the various unices around since quite some years... > Basically the instrument responds to command strings and you can set > it to just return values continually which is what I did. > That's what I figured from datasheet and manual, and which got me into considering it in the first place... > I've since got the Tek FS3100 (Pendulum CNT91 I think) which is much > more sophisticated and I started working on programming that. > > Unfortunately I've since got a job away from home so I have no time > for electronics and won't have until I eventually manage to move > house. > > If I were you I'd use a terminal emulator, at least at first, and get > it going interactively and then just save the output to a file. Once > you've got used to how it all works (and there isn't much to it) you > can set up a more robust software system. > That's exactly what I'm planning to do. In the end it will always need some sort of testing it out anyways. Thanks for sharing in any case. Florian > James > > > > > > > > -----Original Message----- > From: Florian Teply <use...@teply.info> > To: Discussion of precise time and frequency measurement > <time-nuts@febo.com> Sent: Tue, 12 May 2015 22:59 > Subject: [time-nuts] TTi TF930/960 linux programming > > > Hi guys, > > I seem to recall that someone on this list mentioned that he's using > a > Thurlby-Tandar TF930 or 960 Frequency counter. As I'm considering to > buy > such a unit for some experiments at my workplace, I figured I'd > better ask > around here for some suggestions. > > Has someone already used one of these > gadgets in a computer-controlled > fashion, with some luck using some Linux > environment? Judging from the > manual, I probably ccould hack some shell script > to repeatedly perform > frequency readings and write that to a file, but if > someone already has > done that I'd be much too lazy to reinvent the > wheel... > > The actual setting I'd plan to use it in is to monitor some > ring > oscillators (frequency drift) and/or delay lines (output pulse > length) > sort-of-continuously over extended periods of time. I'd be > interested > in frequency drifts due to device aging and/or radiation effects, > and > as especially device aging tests can take quite some time (a few > months > each...), some sort of stability would be needed. This is not > strictly > a time-nuts application where one might chase the 10th digit, and > I > figure I probably could tolerate (and wouldn't even notice > without > cross-checking) an constant offset in frequency readings even of a > few > percent, but it would bite me quite a bit if the readings wander > around > too much when the input frequency doesn't... > > Any suggestions? > > best > regards, > Florian > _______________________________________________ > 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.