Wiser Pulse Power Meters

Discussion in 'C-Bus Wiser 1 Controller' started by automatedhome.dp, Oct 25, 2017.

  1. automatedhome.dp

    automatedhome.dp

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    Hello ladies and gentlemen,
    I have Wiser Home Control a network C-Bus. It worked well. After 5104BCL i connected an electric meter. The measurements last 3-6 hours and are interrupted. Diagnostic Utility shows an error at about this time:
    13:40:38 Rx : 0565DF000E0207E10A18010D010D282501989B<CR>
    13:40:38 Rx : = Clocks: Date: Tuesday 24/10/2017; Clocks: Time: 13:40:37 Daylight Savings Offset: 1 hour(s); LENGTH ERROR
    Can you suggest something or where to look for a solution to the problem?
    Yours faithfully, Anatoly
     

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    automatedhome.dp, Oct 25, 2017
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  2. automatedhome.dp

    NickD Moderator

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    The length error means there was an additional byte in the message that could not be properly parsed by the log parser.

    That message was sent by a unit with the unit address $65 (101 decimal).

    What unit is at that address?

    Nick
     
    NickD, Oct 26, 2017
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  3. automatedhome.dp

    automatedhome.dp

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    Thank you for responding to my problem.
    Unit address $65 ? PC-CNIEI Wiser. Day all works correctly.
    But I want to understand why there was a mistake. In normal mode every 30 minutes, the following lines are sent:
    09:18:13 Rx : 0565DF000E0207E10A1A030D0109120F015F<CR>
    09:18:13 Rx : = Clocks: Date: Thursday 26/10/2017; Clocks: Time: 09:18:15 Daylight Savings Offset: 1
    hour(s)

    Yours faithfully, Anatoly
     
    automatedhome.dp, Oct 26, 2017
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  4. automatedhome.dp

    NickD Moderator

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    Ok... that is the Wiser's CNI.

    If the Wiser has NTP sync, it's normal as part of the C-Bus time mastering process for it to send the current time on C-Bus every 30 minutes.

    I'm not sure why they occasionally have the extra byte that causes the length error, or whether this would cause any further issues.

    If the time does get changed though, the historical measurement data gets shifted to match the time change, so if the time *is* ever wrong then the measurement data would be affected.

    Nick
     
    NickD, Oct 27, 2017
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