No, I think you are. OCPP is a standard. Modbus is a communication protocol. My alfen also speaks modbus, yet it can’t communicate with the GX. Guess why? Because it’s not a standard!
Which I have already said multiple times does not meet my requirements. The end goal here is getting the charger into DESS. Which is impossible in the current situation.
Nope. If I have to buy the victron charger to get my EV into DESS, then that turns my alfen into e-waste.
Read this again:
The solution to your problem is Modbus.
Modbus is nothing. It does not specify anything. It does not do anything. You might as well have said, the solution to your problem is HTTP. Great, so I have 4 wheels and no engine and no steering wheel. Let’s go!