A sensor platform for Dutch Smart Meters which comply to DSMR (Dutch Smart Meter Requirements), also known as ‘Slimme meter’ or ‘P1 poort’.
- Currently support DSMR V2.2, V3, V4 and V5 through the dsmr_parser module by Nigel Dokter.
- For official information about DSMR refer to: DSMR Document
- For official information about the P1 port refer to: https://www.wijhebbenzon.nl/media/kunena/attachments/3055/DSMRv5.0FinalP1.pdf
- For unofficial hardware connection examples refer to: Domoticx
This component is known to work for:
- Iskra ME382 / MT382 (DSMR 2.2)
- ISKRA AM550 (DSMR 5.0)
- Landis+Gyr E350 (DMSR 4)
- Landis+Gyr ZCF110 / ZM F110 (DSMR 4.2)
- Kaifa E0026
- Kamstrup 382JxC (DSMR 2.2)
- Sagemcom XS210 ESMR5
USB serial converters:
- Cheap (Banggood/ebay) Generic PL2303
Serial to network proxies:
- ser2net - http://ser2net.sourceforge.net/
# Example configuration.yaml entry sensor: - platform: dsmr
(string)(Optional)Serial port to which Smartmeter is connected (default: /dev/ttyUSB0 (connected to USB port)). For remote (i.e. ser2net) connections, use TCP port number to connect to (i.e. 2001).
(string)(Optional)Host to which Smartmeter is connected (default: ‘’ (connected via serial or USB, see port)). For remote connections, use IP address of host to connect to (i.e. 192.168.1.13).
(string)(Optional)Version of DSMR used by meter. Choices: 2.2, 4, 5. Defaults to 2.2.
(integer)(Optional)Defines the precision of the calculated values, through the argument of round().
Default value: 3
Full configuration examples can be found below:
# Example configuration.yaml entry for USB/serial connected Smartmeter sensor: - platform: dsmr port: /dev/ttyUSB1 dsmr_version: 5 group: meter_readings: name: Meter readings entities: - sensor.power_consumption_low - sensor.power_consumption_normal - sensor.power_production_low - sensor.power_production_normal - sensor.gas_consumption
# Example configuration.yaml entry for remote (TCP/IP, i.e. via ser2net) connection to host which is connected to Smartmeter sensor: - platform: dsmr host: 192.168.1.13 port: 2001 dsmr_version: 5 group: meter_readings: name: Meter readings entities: - sensor.power_consumption_low - sensor.power_consumption_normal - sensor.power_production_low - sensor.power_production_normal - sensor.gas_consumption
Optional configuration example for ser2net:
# Example /etc/ser2net.conf for proxying USB/serial connections to DSMRv4 smart meters 2001:raw:600:/dev/ttyUSB0:115200 NONE 1STOPBIT 8DATABITS XONXOFF LOCAL -RTSCTS
# Example /etc/ser2net.conf for proxying USB/serial connections to DSMRv2.2 smart meters 2001:raw:600:/dev/ttyUSB0:9600 EVEN 1STOPBIT 7DATABITS XONXOFF LOCAL -RTSCTS
HASSbian users have to give dialout permission to the user
$ sudo usermod -a -G dialout homeassistant
and after that you need to reboot!
$ sudo reboot
Docker users have to allow Docker access to the device by adding
--device /dev/ttyUSB21:/dev/ttyUSB21 to the run command:
$ docker run --device /dev/ttyUSB0:/dev/ttyUSB0 -d --name="home-assistant" -v /home/USERNAME/hass:/config -v /etc/localtime:/etc/localtime:ro --net=host homeassistant/home-assistant
DSMR is a standard to which Dutch smartmeters must comply. It specifies that the smartmeter must send out a ‘telegram’ every 10 seconds (every second for DSMR 5.0 devices) over a serial port.
The contents of this telegram differ between version but they generally consist of lines with ‘obis’ (Object Identification System, a numerical ID for a value) followed with the value and unit.
This module sets up an asynchronous reading loop using the
dsmr_parser module which waits for a complete telegram, parser it and puts it on an async queue as a dictionary of
obis/object mapping. The numeric value and unit of each value can be read from the objects attributes. Because the
obis are know for each DSMR version the Entities for this component are create during bootstrap.
Another loop (DSMR class) is setup which reads the telegram queue, stores/caches the latest telegram and notifies the Entities that the telegram has been updated.