esphome-docs/components/sensor/sdm_meter.rst

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Eastron SDM Energy Monitor
==========================
.. seo::
:description: Instructions for setting up SDM power monitors.
:image: sdm220m.png
:keywords: SDM220M, SDM220, SDM630
The ``sdm_meter`` sensor platform allows you to use Eastron SDM modbus energy monitors
(`website <http://www.eastrongroup.com/product_detail.php?id=170&menu1=&menu2=>`__)
with ESPHome.
.. figure:: images/sdm220m-full.png
:align: center
:width: 50.0%
SDM220M Energy Monitor.
The communication with this integration is done over a :ref:`UART bus <uart>` using the :ref:`Modbus protocol <modbus>`
over RS485 wiring. You will need an RS485 to UART converter for communication.
You must therefore have a ``uart:`` entry in your configuration with both the TX and RX pins set
to some pins on your board and the baud rate set to 9600.
.. code-block:: yaml
# Example configuration entry
uart:
rx_pin: D1
tx_pin: D2
baud_rate: 9600
stop_bits: 1
sensor:
- platform: sdm_meter
phase_a:
current:
name: "SDM220M Current"
voltage:
name: "SDM220M Voltage"
active_power:
name: "SDM220M Power"
power_factor:
name: "SDM220M Power Factor"
apparent_power:
name: "SDM220M Apparent Power"
reactive_power:
name: "SDM220M Reactive Power"
phase_angle:
name: "SDM220M Phase Angle"
frequency:
name: "SDM220M Frequency"
total_power:
name: "SDM220M Total Power"
import_active_energy:
name: "SDM220M Import Active Energy"
export_active_energy:
name: "SDM220M Export Active Energy"
import_reactive_energy:
name: "SDM220M Import Reactive Energy"
export_reactive_energy:
name: "SDM220M Export Reactive Energy"
update_interval: 60s
Configuration variables:
------------------------
- **phase_a** (*Optional*): The group of exposed sensors for Phase A/1.
- **current** (*Optional*): Use the current value of the sensor in amperes. All options from
:ref:`Sensor <config-sensor>`.
- **voltage** (*Optional*): Use the voltage value of the sensor in volts (V).
All options from :ref:`Sensor <config-sensor>`.
- **active_power** (*Optional*): Use the (active) power value of the sensor in watts (W). All options
from :ref:`Sensor <config-sensor>`.
- **power_factor** (*Optional*): Use the power factor value of the sensor.
All options from :ref:`Sensor <config-sensor>`.
- **apparent_power** (*Optional*): Use the apparent power value of the sensor in volt amps (VA). All
options from :ref:`Sensor <config-sensor>`.
- **reactive_power** (*Optional*): Use the reactive power value of the sensor in volt amps reactive (VAR). All
options from :ref:`Sensor <config-sensor>`.
- **phase_angle** (*Optional*): Use the phase angle value of the sensor in degrees (°). All options
from :ref:`Sensor <config-sensor>`.
- **phase_b** (*Optional*): The group of exposed sensors for Phase B/2 on applicable meters. eg: SDM630
- All options from **phase_a**
- **phase_c** (*Optional*): The group of exposed sensors for Phase C/3 on applicable meters. eg: SDM630
- All options from **phase_a**
- **frequency** (*Optional*): Use the frequency value of the sensor in hertz.
All options from :ref:`Sensor <config-sensor>`.
- **total_power** (*Optional*): Use the total power value of the sensor in watts (W).
All options from :ref:`Sensor <config-sensor>`.
- **import_active_energy** (*Optional*): Use the import active energy value of the sensor in kilowatt
hours (kWh). All options from :ref:`Sensor <config-sensor>`.
- **export_active_energy** (*Optional*): Use the export active energy value of the sensor in kilowatt
hours (kWh). All options from :ref:`Sensor <config-sensor>`.
- **import_reactive_energy** (*Optional*): Use the import reactive energy value of the sensor in
kilovolt amps reactive hours (kVArh). All options from :ref:`Sensor <config-sensor>`.
- **export_reactive_energy** (*Optional*): Use the export reactive energy value of the sensor in
kilovolt amps reactive hours (kVArh). All options from :ref:`Sensor <config-sensor>`.
- **update_interval** (*Optional*, :ref:`config-time`): The interval to check the
sensor. Defaults to ``60s``.
- **address** (*Optional*, int): The address of the sensor if multiple sensors are attached to
the same UART bus. You will need to set the address of each device manually. Defaults to ``1``.
See Also
--------
- :ref:`sensor-filters`
- :apiref:`sdm220m/sdm220m.h`
- :ghedit:`Edit`