Charger improvements for ABB Terra AC Wallbox with firmware version 1.6.5 (and newer?) from Nov 2022.
!!! Will break compatibility with older firmware - you have to upgrade the firmware to use the charger !!!
New: Vehicle connection detection outside of an active session
New: Getting an enabled state outside of an active session now
New: Setting max current outside of an active session now
Charger implementation allows to switch modbus protocol (rtu or tcp) now
Firmware 1.6.5 still has some crazy "non-linear" behavior regarding the sent, applied and read-back max current..
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