Bafang M620 setup CAN parameters.

jlfuente

New Member
Jan 6, 2024
6
2
Madrid, Spain
Has anyone used this device to refresh the parameter data of a M620 Bafang motor? Any positive experiences?
Does it allow to do what other devices allow for UART protocol?
 

Dado

Active member
Jun 28, 2022
691
462
Bratislava
Hello.

With old M620 CAN firmares, you can not set much, everything is hardcoded. Only speed limit, wheel and circumference.

But there is latest firmware 41.1 where u can set also power levels. (Throttle speed hardcoded here - unfortunatelly)
 
Last edited:

jlfuente

New Member
Jan 6, 2024
6
2
Madrid, Spain
Hello.

With old M620 CAN firmares, you can not set much, everything is hardcoded. Only speed limit, wheel and circumference.

But there is latest firmware 41.2 where u can set also power levels. (Throttle speed hardcoded here - unfortunatelly)
Thanks very much for your response.
 

Dado

Active member
Jun 28, 2022
691
462
Bratislava
Here is latest thanks email from a customer from Australia - they have lot of M620 motors there. ;) Customer did tried the latest firmware 41.1 and we trying figuring out how that Eco/Sport settings works. In original Besst programmer also possible to setup only 5 levels. Dont understand why Bafang came up with this Eco/Sport mode - and only in M620. So far it looks like ECO power is lowered over some constant. And there is hardcoded speed limits for throttle. Each PAS level has different speed for throttle: 10, 15 ,20, 25, 30 kmh. Luckily pedalling speed still possible to set. But I am afraid they will hardcode pedalling speed also soon with new firmwares. :(

"Regarding the 3-Sports mode, it is definitely delivering more power. Maybe I did not snap the pic at the correct time. I was riding one-handed up a hill ;) I will do some proper testing next weekend.
Also, it is not limited to 25kmph in sports mode, I will also test this further next weekend.
All in all, this bike is now 10 x better than it was. Thank you K1

Lionel"
 

Csubi

New Member
Apr 3, 2024
7
7
Vancouver
Hello.

With old M620 CAN firmares, you can not set much, everything is hardcoded. Only speed limit, wheel and circumference.

But there is latest firmware 41.1 where u can set also power levels. (Throttle speed hardcoded here - unfortunatelly)
What's the output of 41.1?
How can I get that .bin file?
 

Neeko DeVinchi

E*POWAH Elite World Champion
Dec 31, 2020
1,033
1,376
UK
Quick question guys,

Has anyone tried this firmware on a CANBus M620 motor?

I don't have a CANBus M620 to test it on but would appreciate feedback before passing this onto someone who has made an enquiry👍🏿
 

Attachments

  • CRR10MC4830E101101.1.06_220506.bin
    216 KB · Views: 107

Dado

Active member
Jun 28, 2022
691
462
Bratislava
Hello Neeko.

Have a note at this firmware it has lowered power at low PAS: 3,6,12,20,30A
Attaching version 1.2, little newer, if somebody wants to try. Is great as supports also power setting.
 

Attachments

  • CRR10MC4830E101101.2_221219.bin
    216 KB · Views: 97
Last edited:

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