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The request pin diagram used a ballast resistor of 330 Ohm, which was based on a GPIO output of 5V. This should have been 200 Ohm, based on a GPIO output of 3.3V. This patch updates both the related description and the diagram image.
482 lines
21 KiB
ReStructuredText
482 lines
21 KiB
ReStructuredText
DSMR Component
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==============
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.. seo::
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:description: Instructions for setting up DSMR Meter component in ESPHome.
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:image: dsmr.svg
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Component/Hub
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-------------
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The DSMR component connects to Dutch Smart Meters which comply to DSMR (Dutch Smart Meter
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Requirements), also known as ‘Slimme meter’ or ‘P1 port’.
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This integration supports plain non encrypted telegrams and also encrypted as used in Luxembourg.
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In case your equipment has encryption you must get a 32 character long encryption key from your energy company.
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This component is passive, it does not transmit any data to your equipment, the equipment always transmits
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data which this component decodes and updates the configured sensors at the pace the data is received.
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- For official information about DSMR refer to: `DSMR Document <https://www.netbeheernederland.nl/dossiers/slimme-meter-15>`__
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- For official information about the P1 port refer to: `P1 Companion Standard <https://www.netbeheernederland.nl/_upload/Files/Slimme_meter_15_a727fce1f1.pdf>`__
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.. code-block:: yaml
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# Example configuration entry
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dsmr:
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decryption_key: !secret decryption_key
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sensor:
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- platform: dsmr
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energy_delivered_tariff1:
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name: Energy Consumed Tariff 1
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text_sensor:
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- platform: dsmr
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identification:
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name: "DSMR Identification"
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p1_version:
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name: "DSMR Version"
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Configuration variables:
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- **decryption_key** (*Optional*, string, :ref:`templatable <config-templatable>`, 32 characters, case insensitive): The key to decrypt the
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telegrams. Used in Lux only.
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- **gas_mbus_id** (*Optional*, int): The id of the gas meter. Defaults to ``1``.
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- **crc_check** (*Optional*, boolean): Specifies if the CRC check must be done. This is required to be set to false for
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older DSMR versions as they do not provide a CRC. Defaults to ``true``.
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- **max_telegram_length** (*Optional*, integer): The size of the buffer used for reading DSMR telegrams. Increase
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if you are reading from a smart meter that sends large telegrams. Defaults to ``1500``.
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- **uart_id** (*Optional*, :ref:`config-id`): Manually specify the ID of the UART hub.
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- **request_pin** (*Optional*, :ref:`Pin Schema <config-pin_schema>`): The pin that can be used for controlling
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the P1 port's Data Request pin. Defaults to not using a Data Request pin.
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See :ref:`Using the P1 Data Request pin <sensor-dsmr-request_pin>`.
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- **request_interval** (*Optional*, :ref:`config-time`): The minimum time between two telegram readings.
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Defaults to ``0ms``, meaning that the pace at which the smart meter sends its data determines the update frequency.
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This works best in combination with a ``request_pin``, but this option will work without one too.
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- **receive_timeout** (*Optional*, :ref:`config-time`): The timeout on incoming data while reading a telegram.
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When no new data arrive within the given timeout, the device will consider the current telegram a loss and
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starts looking for the header of the next telegram. Defaults to ``200ms``.
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID of the DSMR if you have multiple components.
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Sensor
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------
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.. note:: Not all sensors are available on all devices.
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Country specific sensors are listed last.
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Configuration variables:
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- **energy_delivered_tariff1** (*Optional*): Energy Consumed Tariff 1.
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- **name** (**Required**, string): The name for the energy_delivered_tariff1 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **energy_delivered_tariff2** (*Optional*): Energy Consumed Tariff 2.
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- **name** (**Required**, string): The name for the energy_delivered_tariff2 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **energy_returned_tariff1** (*Optional*): Energy Produced Tariff 1.
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- **name** (**Required**, string): The name for the energy_returned_tariff1 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **energy_returned_tariff2** (*Optional*): Energy Produced Tariff 2.
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- **name** (**Required**, string): The name for the energy_returned_tariff2 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **power_delivered** (*Optional*): Power Consumed.
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- **name** (**Required**, string): The name for the power_delivered sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **power_returned** (*Optional*): Power Produced.
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- **name** (**Required**, string): The name for the power_returned sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **electricity_failures** (*Optional*): Electricity Failures.
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- **name** (**Required**, string): The name for the electricity_failures sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **electricity_long_failures** (*Optional*): Long Electricity Failures.
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- **name** (**Required**, string): The name for the electricity_long_failures sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **electricity_sags_l1** (*Optional*): Number of voltage sags in phase L1.
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- **name** (**Required**, string): The name for the electricity_sags_l1 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **electricity_sags_l2** (*Optional*): Number of voltage sags in phase L2.
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- **name** (**Required**, string): The name for the electricity_sags_l2 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **electricity_sags_l3** (*Optional*): Number of voltage sags in phase L3.
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- **name** (**Required**, string): The name for the electricity_sags_l3 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **electricity_swells_l1** (*Optional*): Number of voltage swells in phase L1.
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- **name** (**Required**, string): The name for the electricity_swells_l1 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **electricity_swells_l2** (*Optional*): Number of voltage swells in phase L2.
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- **name** (**Required**, string): The name for the electricity_swells_l2 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **electricity_swells_l3** (*Optional*): Number of voltage swells in phase L3.
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- **name** (**Required**, string): The name for the electricity_swells_l3 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **voltage_l1** (*Optional*): Voltage Phase 1.
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- **name** (**Required**, string): The name for the voltage_l1 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **voltage_l2** (*Optional*): Voltage Phase 2.
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- **name** (**Required**, string): The name for the voltage_l2 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **voltage_l3** (*Optional*): Voltage Phase 3.
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- **name** (**Required**, string): The name for the voltage_l3 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **current_l1** (*Optional*): Current Phase 1.
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- **name** (**Required**, string): The name for the current_l1 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **current_l2** (*Optional*): Current Phase 2.
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- **name** (**Required**, string): The name for the current_l2 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **current_l3** (*Optional*): Current Phase 3.
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- **name** (**Required**, string): The name for the current_l3 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **power_delivered_l1** (*Optional*): Power Consumed Phase 1.
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- **name** (**Required**, string): The name for the power_delivered_l1 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **power_delivered_l2** (*Optional*): Power Consumed Phase 2.
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- **name** (**Required**, string): The name for the power_delivered_l2 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **power_delivered_l3** (*Optional*): Power Consumed Phase 3.
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- **name** (**Required**, string): The name for the power_delivered_l3 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **power_returned_l1** (*Optional*): Power Produced Phase 1.
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- **name** (**Required**, string): The name for the power_returned_l1 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **power_returned_l2** (*Optional*): Power Produced Phase 2.
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- **name** (**Required**, string): The name for the power_returned_l2 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **power_returned_l3** (*Optional*): Power Produced Phase 3.
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- **name** (**Required**, string): The name for the power_returned_l3 sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **gas_delivered** (*Optional*): Gas Consumed.
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- **name** (**Required**, string): The name for the gas_delivered sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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Belgium
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- **gas_delivered_be** (*Optional*): Gas Consumed Belgium.
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- **name** (**Required**, string): The name for the gas_delivered_be sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **active_energy_import_current_average_demand** (*Optional*): Current Average Quarterly Demand for Peak Tarrif Belgium.
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- **name** (**Required**, string): The name for the active_energy_import_current_average_demand sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **active_energy_import_maximum_demand_running_month** (*Optional*): Current Month's Maximum Quarterly Demand for Peak Tarrif Belgium.
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- **name** (**Required**, string): The name for the active_energy_import_maximum_demand_running_month sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **active_energy_import_maximum_demand_last_13_months** (*Optional*): 13 Month Maximum Quarterly Demand for Peak Tarrif Belgium.
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- **name** (**Required**, string): The name for the active_energy_import_maximum_demand_last_13_months sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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Luxembourg
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- **energy_delivered_lux** (*Optional*): Energy Consumed Luxembourg
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- **name** (**Required**, string): The name for the energy_delivered_lux sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **energy_returned_lux** (*Optional*): Energy Produced Luxembourg
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- **name** (**Required**, string): The name for the energy_returned_lux sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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Text Sensor
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-----------
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Configuration variables:
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- **identification** (*Optional*): DSMR Identification
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- **name** (**Required**, string): The name for the identification text sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Text Sensor <config-text_sensor>`.
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- **p1_version** (*Optional*): DSMR Version
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- **name** (**Required**, string): The name for the p1_version text sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Text Sensor <config-text_sensor>`.
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- **timestamp** (*Optional*): Timestamp
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- **name** (**Required**, string): The name for the timestamp sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Text Sensor <config-text_sensor>`.
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- **electricity_tariff** (*Optional*): The current tariff. According to the specs value
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'0001' means 'normal tariff' and value '0002' means 'low tariff'. Your meter may report differently.
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- **name** (**Required**, string): The name for the electricity_tariff sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Text Sensor <config-text_sensor>`.
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- **electricity_failure_log** (*Optional*): Electricity Failure Log
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- **name** (**Required**, string): The name for the electricity_failure_log sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Text Sensor <config-text_sensor>`.
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- **message_short** (*Optional*): Message Short
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- **name** (**Required**, string): The name for the message_short sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Text Sensor <config-text_sensor>`.
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- **message_long** (*Optional*): Message Long
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- **name** (**Required**, string): The name for the message_long sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Text Sensor <config-text_sensor>`.
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- **gas_equipment_id** (*Optional*): Gas Equipment ID.
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- **name** (**Required**, string): The name for the gas_equipment_id sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Text Sensor <config-text_sensor>`.
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- **water_equipment_id** (*Optional*): Water Equipment ID
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- **name** (**Required**, string): The name for the water_equipment_id sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Text Sensor <config-text_sensor>`.
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- **sub_equipment_id** (*Optional*): Sub Equipment ID
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- **name** (**Required**, string): The name for the sub_equipment_id sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Text Sensor <config-text_sensor>`.
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- **gas_delivered_text** (*Optional*): A text sensor which unformatted gas data. You need to
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apply a custom parsing of this value depending on your meter format.
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- **name** (**Required**, string): The name for the p1_version text sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Text Sensor <config-text_sensor>`.
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Belgium
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- **p1_version_be** (*Optional*): DSMR Version Belgium
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- **name** (**Required**, string): The name for the p1_version_be text sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Text Sensor <config-text_sensor>`.
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Older DSMR meters support
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-------------------------
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Version 2.2 is supported with the following configuration:
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.. code-block:: yaml
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# Custom uart settings for DSMR v2.2
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uart:
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baud_rate: 9600
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data_bits: 7
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parity: NONE
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stop_bits: 1
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dsmr:
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crc_check: false
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sensor:
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- platform: dsmr
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energy_delivered_tariff1:
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name: dsmr_energy_delivered_tariff1
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energy_delivered_lux:
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name: dsmr_energy_delivered_tarifflux
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text_sensor:
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- platform: dsmr
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identification:
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name: "dsmr_identification"
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p1_version:
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name: "dsmr_p1_version"
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gas_delivered_text:
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name: "gas delivered raw"
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.. _sensor-dsmr-request_pin:
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P1 Data Request pin
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-------------------
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From the P1 companion guide: The P1 port is activated (start sending data) by setting "Data Request" line high
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(to +5V). While receiving data, the requesting OSM must keep the "Data Request" line activated (set to +5V).
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To stop receiving data OSM needs to drop "Data Request" line (set it to "high impedance" mode). Data transfer
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will stop immediately in such case.
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**Advantages when using a request pin:**
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- After reading a telegram, the dsmr component will stop the data transfer until the telegram has been
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fully processed. This separates retrieving and processing data and can thus be seen as a form of
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hardware flow control.
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- The interval at which sensor readings must be updated can be controlled cleanly by only starting a data
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transfer when needed. This configuration option ``request_interval`` can be used to define this interval.
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**Required hardware support**
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Many DSMR reader circuits link the +5V pin of the P1 port directly to its Data Request pin. Doing this will
|
||
make the smart meter send telegrams at a pace as defined by the smart meter firmware. For example many
|
||
DSMR v5 meters will send a telegram every second.
|
||
*Circuits that use this type of wiring cannot make use of the* ``request_pin`` *option.*
|
||
|
||
However, when a circuit is used that allows switching the Data Request pin between +5V and high impedance
|
||
mode from a GPIO, then this GPIO can be configured as the ``request_pin``.
|
||
|
||
Best results have been achieved by using an optocoupler circuit to handle the switching. Direct GPIO output
|
||
or a transistor-based circuit are not feasible options. Here's an example circuit design:
|
||
|
||
.. figure:: images/dsmr-request-pin-circuit-example.png
|
||
|
||
When using a type of MCU that provides 5V on the GPIO outputs instead of 3.3V, then use a 330 Ohm
|
||
resistor instead of the 200 Ohm resistor.
|
||
|
||
.. _sensor-dsmr-improving_reader_results:
|
||
|
||
Improving reader results
|
||
------------------------
|
||
|
||
When telegrams are sometimes missed or when you get a lot of CRC errors, then you might have to do some
|
||
changes to get better reader results.
|
||
|
||
It is recommended to set the ``rx_buffer_size`` option of the UART bus to at least the maximum telegram size,
|
||
which defaults to 1500 bytes. The default UART read buffer is quite small an can easily overflow, causing
|
||
bytes of data getting lost.
|
||
|
||
.. code-block:: yaml
|
||
|
||
# Example configuration
|
||
uart:
|
||
pin: D7
|
||
baud_rate: 115200
|
||
rx_buffer_size: 1700
|
||
|
||
dsmr:
|
||
max_telegram_length: 1700
|
||
|
||
It's best when a hardware UART is used for reading the P1 data. Whether or not hardware UART is used can
|
||
be checked in the config dump that you get when connecting to the API logger. Example logging output:
|
||
|
||
.. code-block:: text
|
||
|
||
[02:38:37][C][uart.arduino_esp8266:095]: UART Bus:
|
||
[02:38:37][C][uart.arduino_esp8266:097]: RX Pin: GPIO13
|
||
[02:38:37][C][uart.arduino_esp8266:099]: RX Buffer Size: 1500
|
||
[02:38:37][C][uart.arduino_esp8266:101]: Baud Rate: 115200 baud
|
||
[02:38:37][C][uart.arduino_esp8266:102]: Data Bits: 8
|
||
[02:38:37][C][uart.arduino_esp8266:103]: Parity: NONE
|
||
[02:38:37][C][uart.arduino_esp8266:104]: Stop bits: 1
|
||
[02:38:37][C][uart.arduino_esp8266:106]: Using hardware serial interface.
|
||
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||
|
||
When using an ESP8266, then GPIO13 (e.g. pin D7 on a D1 Mini) can be used for hardware RX. However, to
|
||
actually make it work, serial logging must be disabled to keep the hardware UART available for D7.
|
||
|
||
.. code-block:: yaml
|
||
|
||
# Example configuration for ESP8266
|
||
logger:
|
||
baud_rate: 0
|
||
level: DEBUG
|
||
|
||
uart:
|
||
pin: GPIO13
|
||
baud_rate: 115200
|
||
|
||
See Also
|
||
--------
|
||
|
||
- :apiref:`dsmr/dsmr.h`
|
||
- :ghedit:`Edit`
|