EVlink Smart Wallbox using connectorId 10 and 11 instead of 0 and 1

[fsarmento]

Hi,

I have dozens of EVLink Smart Wallbox charging stations connected to an OCPP supervision system. I have verified that all of them communicate correctly except for 4 chargers that have ChargeBoxSerialNumber = 'EVB1A22P4ERI3N21184230110'.

These 4 chargers, instead of communicating connectorId=0 for charger messages and connectorId=1 for connector messages according to the OCPP protocol, use "10" and "11".

Some OCPP message sent by the chargers:

- [2,"2025","StartTransaction",{"connectorId":11,"idTag":"45D36838","meterStart":0,"timestamp":"2025-06-24T13:19:48Z"}]

- [2,"2030","StatusNotification",{"connectorId":10,"errorCode":"NoError","status":"Charging","timestamp":"2025-06-24T14:44:25Z"}]

The chargers were on firmware version 3.3.0.15, and I had already updated to 3.4.0.1 (although I was unable to update to 3.4.0.10 due to a signature mismatch error). However, the issue persists.

@Louis_LEVEQUE any help on how to make the chargers use the correct connectorId 0 and 1 according to OCPP documentation?

Best regards,

Francisco

[Louis_LEVEQUE · Accepted solution]

Hello

Here you have to switch the "enablePlugNumbering" key from true to false via an OCPP request changeconfiguration.

Louis