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P1 Dutch Smart Meter

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    P1 Dutch Smart Meter


    Plug-in for the Smart Meters that are currently being installed all over The Netherlands (and possibly other European countries?) Requires a special Serial or USB to P1 (RJ11) cable.

    • This plugin is for HS3 or HS3PRO. It works with both Windows and Linux versions
    • .NET Framework 4.5 or later, or mono 4.x needs to be installed on your Homeseer machine
    • equires a special Serial or USB to P1 (RJ11) cable. See table below for the correct cable layout.

      Click image for larger version

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      Or just search the Internet for a P1 interface cable. It should look similar to this:

      Click image for larger version

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    There are no additional software requirements. The plug-in can be installed from the HS3 updater, and can be found under the section “Energy Management”.


    After installation and starting the plug-in, go to the configuration page. They are five tabs:
    • Port Settings: Make sure the settings match the Smart Meter installed.
    • General: Set the update frequency (1 minute is usually fine) and if you want the daily totals to reset at midnight.
    • Energy: Settings to configure the HS3 build-in energy graphic
    • Debug: Enable advanced logging, normally disabled
    • Support: How to get support and how to donate


    There is not much troubleshooting. If things don't work, you either have the wrong cable, or the wrong port settings.
    Last edited by stefxx; April 27, 2018, 10:16 AM.

    Release notes

    Release, 02-04-2019
    - Fixed Parent/Child device relationship

    Version, 28-04-2018
    - New: Add gas readings to energy database (optionally, default off). Note that the readings will be logged as kWh!

    Version, 06-01-2018
    - Fix: USB disconnect/reconnect
    - Fix: high CPU utilization

    Version, 09-11-2017
    - Support for DSMR 5.x Smart Meters

    Version, 04-01-2017
    Support for newer Smart Meters (that support a checksum in the transmission)

    Version, 29-12-2016
    - Moved COM port selection to plugin config (workaround bugzilla #2224)
    - Less frequent device updates (from every 10 second to a configurable 1-60 minutes)
    - Update devices/energy only after HS3 has been fully initialized (avoids startup errors in log as well)

    Version, 02-01-2015
    - New: Support gas reading 0-2:24.3.0

    Version, 08-12-2014
    - Linux compatibility

    Version, 10-10-2014
    - Initial version in the Homeseer updater
    - Fix: Startup crash when upgrading from previous version

    Version, 16-09-2014
    - New: Support for Energy graphs (requires Homeseer or higher)
    - Improved: Stability

    Version, 06-04-2014
    - New: If no data is received for 60 seconds, port will be reopened

    Version, 26-02-2014
    - New: Ability to adjust all comport settings to support different smart meter models
    - New: Support gas reading 0-1:24.2.1
    - Improved: COM port handling

    Version, 23-02-2014
    - Test version, for newer smart meters

    Version, 04-02-2014
    - Supports all common electricity and gas readings
    - Min and max values on a daily basis
    - Total usage on a daily basis
    Last edited by stefxx; April 27, 2018, 12:39 PM.