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1081 losing sensor when connected to Cumulus

Discussion specific to Fine Offset and similar rebadged weather stations
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Dumpster
Posts: 2
Joined: Sat 31 Dec 2011 8:47 pm
Weather Station: Fine Offset W1081 (Maplin)
Operating System: Vista 64b
Location: Fintry Stirlingshire

1081 losing sensor when connected to Cumulus

Post by Dumpster »

I got a 1081 for Christmas and set it up with no problems. I quickly discovered Cumulus as a much better alternative to EasyWeather.
I have been running this for a few days now, but have spotted some really odd behaviour. I have looked over historic posts and cant see anyone with exactly the same problem.
If I leave the base station connected to Cumulus, after a while the error light flashes, the log says lost contact with sensor and the external values all go blank on the base station. If I disconnect the USB cable, after a while the data reappear and all seems to be well. I have checked batteries and distance between sensors and base station but the only thing that triggers the problem is leaving it attached to Cumulus!
If I just connect the computer briefly the data are all successfully transferred to Cumulus. It just seems it does not like being left connected.
Any ideas anyone and btw Happy New Year!
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steve
Cumulus Author
Posts: 26672
Joined: Mon 02 Jun 2008 6:49 pm
Weather Station: None
Operating System: None
Location: Vienne, France
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Re: 1081 losing sensor when connected to Cumulus

Post by steve »

Yes, a number of people have this problem with Fine Offset stations; I think the theory is that the USB connection creates some kind of interference. I'm not sure whether there's a solution, but hopefully someone will be able to suggest something.
Steve
Dumpster
Posts: 2
Joined: Sat 31 Dec 2011 8:47 pm
Weather Station: Fine Offset W1081 (Maplin)
Operating System: Vista 64b
Location: Fintry Stirlingshire

Re: 1081 losing sensor when connected to Cumulus

Post by Dumpster »

Thanks for quick response!
I thought I would try a screened USB cable but I could not find one in my cable box - so I tried wrapping some Alu foil round the supplied cable and that seems to have done the trick!
So a screened cable looks like it is the answer.
Thanks for pointing me in the right direction - and I was blaming Cumulus! Sorry!
WestOz
Posts: 215
Joined: Fri 21 Nov 2008 12:25 am
Weather Station: Oregon Scientific WMR88A
Operating System: Windows 10 (64bit)
Location: College Grove, Western Australia
Contact:

Re: 1081 losing sensor when connected to Cumulus

Post by WestOz »

Yes, a screened cable appears to be the answer.

I recently moved my computer across to the other side of the room and so no longer needed to use a LONG (6 Metre) screened USB cable. After going back to the unscreened cable that came with the Fine Offset station, I started having signal loss problems. I've now gone back to the screened cable and haven't had any losses since.

Ian
Website : http://www.collegegrove.info
on the Indian Ocean coast of Western Australia (down the bottom left-hand corner of Oz)
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