CAN connection between bike and charger

[bennymic]

Has anyone tried to reverse engineer it? If it's standard like NACS you could probably just wire up an adapter and charge from tesla chargers. My delivery date is not till August otherwise I would look into it...

 

[drehwurm68]

There is a CAN communication protocol documentation for the aftermarket EVPT chargers available, but unless someone actually logs the CAN communication on the stark itself it still is not clear. The build specification of the Varg charger is C1000 which is not listed in the EVPT docs so it might be something proprietary.

https://evshop.eu/en/index.php?controller=attachment&id_attachment=164

Michael

 

[rs911]

I thought about reverse engineering it, but first I'm onto something else, a lighter and more portable charger.
I worked on something similar with some contacts in my activity of tuning cars and swapping engines/ECUs with different CANbus protocols.

 

[bennymic]

So it will probably need some sort of microcontroller to convert CAN to something like

ISO 15118 - Wikipedia

en.m.wikipedia.org

 

[drehwurm68]

If it's standard like NACS you could probably just wire up an adapter and charge from tesla chargers.

While an automotive DC charger would be a natural choice, the connectors on those are pretty big already. So even if you figure out the CAN part, the adapter and cable would still be quite bulky as I don't think you could take a lot of short cuts with the voltage and amperage involved.

Michael

 

[bennymic]

NACS is slightly larger than a normal gas pump nozzle. Maybe you mean CCS?

What is the North American Charging Standard (NACS)?

Learn about the components of the NACS charging system, including the role of the charging station and vehicle connector.

www.evengineeringonline.com

 

[AL_V]

NACS is slightly larger than a normal gas pump nozzle. Maybe you mean CCS?

What is the North American Charging Standard (NACS)?

Learn about the components of the NACS charging system, including the role of the charging station and vehicle connector.

www.evengineeringonline.com

The NACS is smaller than a gas pump nozzle.
This picture from your link shows a NACS super imposed over a CCS.

 

[drehwurm68]

NACS is slightly larger than a normal gas pump nozzle. Maybe you mean CCS?

Yes, unfortunately we don't have the NACS connector here in Europe - it is basically all CCS including the European Teslas.

Michael

 

[bennymic]

The part that sticks into the vehicle is a larger "diameter". That determines the space required on the vehicle.

 

[Bosch]

On the charger cable Pin A=CanL Pin B = CanH

On the signal Cable Pin A=CanL Pin B = CanH
I have attached the Can 1000 Protocol.

I found this faultfinding the charger, not reverse engineering it.
I did find a resistor across the CanL/CanH at the signal plug, so this may be a dedicated Can just for the charge cct.

 

[rs911]

View attachment 13719
On the charger cable Pin A=CanL Pin B = CanH

This picture looks familiar
I forgot to repost after I deleted my post on the other thread.

NACS or CCS, it's the same struggle, it would need an adapter but still a microcontroller like an arduino to "simulate" a communication between the station and the BMS.