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Cum. 1.9.4 b1084 going down

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kapo
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Cum. 1.9.4 b1084 going down

Postby kapo » Wed Oct 16, 2013 6:39 pm

Hi
My Cumulus 1.9.4 b1084 has started lose the connection to my weatherstation Davis VP2 every now and then. At the beginning of this did not happen very often, but in this week it shows to happen every day. I took couple print screens about that. There is something what makes me wonder: Cumulus shows error, that connection has lost, but the realtime.txt still update!! What is wrong? Three pics and Cumulus 009.txt attached....


With regards:

-kapo-
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steve
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Re: Cum. 1.9.4 b1084 going down

Postby steve » Wed Oct 16, 2013 7:03 pm

The realtime.txt file continues to update even if the connection to the station is lost. As for why the connection is being lost, I'm afraid I can't help with that, the Davis code reports the problem and Cumulus passes it on, that's the only information it has. See the last post in this thread for what someone else has been trying to see if they can fix the problems with the connection to their Davis station: http://sandaysoft.com/forum/viewtopic.php?f=6&t=10231&start=15
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kapo
Posts: 246
Joined: Thu Jan 03, 2013 1:59 pm
Weather Station: Davis VP2
Operating System: Windows 10
Location: Vihtavuori, Laukaa, Finland

Re: Cum. 1.9.4 b1084 going down

Postby kapo » Wed Oct 16, 2013 9:04 pm

O.k. And thanks for quick answer. Is it possible to change to the "older" Cumulus version? Because I think that Cum. worked better before this latest update. It is possible that I remember wrong in that, but I just want to test that. And it is only those Cum. updates that have "changed" in my system in past ~5 months. And because of that, I wonder how it could be something wrong in PC and Davis connection...... I just want to test that....... Is it so that I have to remove whole Cum. before installing for example past version of Cum. beta? If it is so, then it sould be too big project to test my memory :)


-kapo-

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steve
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Re: Cum. 1.9.4 b1084 going down

Postby steve » Thu Oct 17, 2013 6:41 am

You should be able to install 1.9.3 over 1.9.4, but it's not something I've tested myself. Installing a previous beta (if you still have a copy) is not recommended, but should probably also work. Note that it's the Davis DLL which handles the connection to the console (and reports the problem), and that is the same DLL in 1.9.3 and 1.9.4. Note also that people using Cumulus 1.9.3, and people using other software, also experience disconnect problems with USB loggers for various reasons; see this recent thread, for example: http://sandaysoft.com/forum/viewtopic.php?f=6&t=10680. Note also that most people using Cumulus 1.9.4 do not have disconnection problems.

The only change that I've done in 1.9.4 that affects the reading of the data from the console was in build 1073 on May 10th. This added a call to load the high/low data from the console (via the Davis DLL as usual) once a minute, so that peak gusts weren't missed. It is hard to see how that change could cause disconnects to happen. It's hard to see how any change to Cumulus could cause the frequency of disconnects to gradually increase, in the way you've described. If it was that change which caused the problem to start appearing, then it would have appeared immediately and not got worse over time.
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kapo
Posts: 246
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Weather Station: Davis VP2
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Location: Vihtavuori, Laukaa, Finland

Re: Cum. 1.9.4 b1084 going down

Postby kapo » Thu Oct 17, 2013 8:01 am

Good morning Steve

Do not take it personally, I do not blame anyone or anything, I just want to check this one possible source of interference.It is very likely that the problem is between PC and the console from Davis, but I want to inspect this problem by closing off every one of the possible cause of fault at a time. Only thing is that this connection between PC and console have started to disconnect and I have to find out the cause of the fault. And if I must to do this by myself, I have to start somwhere and that somwhere in this case is that beta version test. If this problem persists after all possible causes of failure experimenting, I do not really know what to do then. But the need to think about these possibilities is after the all things I know. As such, I do not want this to continue because this Cumulus has worked really fine till these problems. And I cannot use any other weather programs, and I dont want to study other programs.....


Best regards:
-kapo-

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steve
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Re: Cum. 1.9.4 b1084 going down

Postby steve » Thu Oct 17, 2013 8:10 am

kapo wrote:Do not take it personally
Please be clear: I never take anything here personally, unless someone is being rude, which doesn't happen very often, and the main people responsible for that in the past don't post here any more, fortunately. I usually respond logically, as I have done in this case. I have simply given you the information which shows that logically, in this case, Cumulus is the least likely cause of the problem. I fully appreciate, however, that it is much easier to start with the least likely cause in this case than the other solutions which have been offered and found to work for other people, so that's the approach that many people would take. You may even find that installing a different version of Cumulus does indeed make the problem disappear.
Steve
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kapo
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Joined: Thu Jan 03, 2013 1:59 pm
Weather Station: Davis VP2
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Location: Vihtavuori, Laukaa, Finland

Re: Cum. 1.9.4 b1084 going down

Postby kapo » Thu Oct 17, 2013 10:16 am

O.k. And thanks



-kapo-


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