¶ Prerequisites
You will need:
- A log in for the wallbox online interface
- The ip of your cofybox in your local network. This can be found from either:
- the balena dashboard
- using a network scanning app such as fing
¶ Charger settings
-
You might need to update the charger's network to point at your home wifi, if it doesn't already. This can be done via the wallbox app, with a local bluetooth connnection.
-
Log into the wallbox online interface.
-
Click on your charger, and go to the OCPP tab
-
Update the web address: You will need to change the url to
ws://192.168.***.***:80/ocpp/where the asterisks are the ip of your cofybox on your local network. Leave the Charge point identity aschargerand the Password empty. -
Click on the radio button:
on the top right of the websocket connection box to turn OCPP on.
¶ Homeassistant settings
- Log into your homeassistant instance, via:
10.42.0.1when connected to the cofybox's wifi network- at the ip address we used above when connected to your home network (in the example above,
192.168.175) - at the remote url which can be found in the cofycloud or from the Balena dashboard
- Add the OCPP integration
a. Go to settings, then Devices & Services
b. Click Add Integration and search for ocpp
c. leave all settings as default - Click on the new device (via the 2 devices under the integration, or the Devices tab)
Here the fields should be Unknown or filled with data (not Unavailable). This may take a few minutes. - From here you can turn charging on and off with the
Charge_Controltoggle, if your car is plugged in. You can also add automations etc. if you wish.
¶ Resetting the charger
In the case of a problem charging via homeassistant, you can:
- Go back into the wallbox online interface.
- Go into the OCPP tab (see above).
- Turn off OCPP using the radio button on the top right of the websocket connection box (see above).
¶ Technical details
If you want to reinstate the behaviour of charging as soon as the car is plugged in, you can set up an automation such as:
- id: '1656434780155'
alias: Instant car charging
description: ''
trigger:
- platform: state
entity_id:
- sensor.qn01zg24_status_connector
from: Available
to: Preparing
condition: []
action:
- type: turn_on
device_id: 36c0b6365cfe255731d1af5d70f06d59
entity_id: switch.qn01zg24_charge_control
domain: switch
mode: single