OK, so that's not the issue. Thinking about it, I've seen similar issues with owserver and a DS2408. I have seen random switching of outputs. I gave up using owfs to control the DS2408 and used the EDS Owserver binding on Openhab instead.
Nigel On 18/11/16 17:28, Arne Raaen wrote: > I have separate 12 V power. > > > On 18.11.2016 17.01, Nigel Titley wrote: >> >> The issue *may* be that the relay board is overloading the power >> available from the LinkUSB and causing random resets of the DS2408. >> It depends on the power required to drive the relays on the >> Hobbyboards board. >> >> Our relay board takes 160mA with all relays energised and this will >> cause an overload on a LinkUSB which can only supply 50mA. If you are >> powering it separately then this isn't going to be an issue, of course. >> >> Nigel >> >> >> On 18/11/16 14:33, Arne Raaen wrote: >>> Rele 6 - PIO.6 was NC. >>> >>> Rele 7 - PIO.7 was connected via about 5 m wire to a 2W LED light, >>> and was turned on /off independently once a day by a shell script >>> using owwrite. >>> I noticed the light was on at unexpected times. >>> >>> All switches on the HB card was set for rele operation. No inputs >>> were connected. >>> >>> >>> Arne >>> >>> >>> On 18.11.2016 13.17, Colin Reese wrote: >>>> Maybe dumb question, but are the additional inputs floating or >>>> connected? I noticed some interesting behavior on these as well >>>> when in use recently. >>>> >>>> Colin >>>> >>>> >>>> On Nov 18, 2016, at 1:45 AM, Arne Raaen <arn...@raaen.org >>>> <mailto:arn...@raaen.org>> wrote: >>>> >>>>> Hi, >>>>> >>>>> I have a HobbyBoards relay card based on DS2408, used with LinkUSB >>>>> >>>>> I used a routine (unconditionally) updating PIO.0 through PIO.5 every >>>>> minute. >>>>> >>>>> I observed that PIO.6 and PIO.7 would be activated at random >>>>> intervals, >>>>> typically a few times per day or less. >>>>> >>>>> >>>>> I attempted >>>>> * use all free pairs for a better ground line >>>>> * plug the LinkUSB directly into the HB card >>>>> * change from perl + OWNET to python + pyownet >>>>> >>>>> Nothing helped reliably. >>>>> >>>>> I than changed the code to read owserver first, and update only when >>>>> needed, which reduces owserver writes from 6 per minute to a few times >>>>> per day. >>>>> >>>>> Since then I have not seen any unwanted activation of PIO.6 and PIO.7. >>>>> >>>>> (Other owserver actvity is reading mainly temperature sensors, >>>>> every minute) >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> Arne >>>>> >>>>> >>>>> ------------------------------------------------------------------------------ >>>>> _______________________________________________ >>>>> Owfs-developers mailing list >>>>> Owfs-developers@lists.sourceforge.net >>>>> <mailto:Owfs-developers@lists.sourceforge.net> >>>>> https://lists.sourceforge.net/lists/listinfo/owfs-developers >>>> >>>> >>>> ------------------------------------------------------------------------------ >>>> >>>> >>>> _______________________________________________ >>>> Owfs-developers mailing list >>>> Owfs-developers@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/owfs-developers >>> >>> >>> >>> >>> ------------------------------------------------------------------------------ >>> >>> >>> _______________________________________________ >>> Owfs-developers mailing list >>> Owfs-developers@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/owfs-developers >> >> >> >> ------------------------------------------------------------------------------ >> >> >> _______________________________________________ >> Owfs-developers mailing list >> Owfs-developers@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/owfs-developers > > > > > ------------------------------------------------------------------------------ > > > _______________________________________________ > Owfs-developers mailing list > Owfs-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/owfs-developers
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