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Pylontech sc0500 protocol "hacking"

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StefanRied:
Hi,

I think this is what you are looking for:

https://onlineshop.gcsolar.co.za/wp-content/uploads/2021/07/CAN-Bus-Protocol-Sermatec-high-voltage-V1.1810kW.pdf

I am trying to assemble stationary high voltage battery out of EV modules.
I'll keep you posted.

Stefan

manny87:
Made a DBC file for the SC0500 CAN communications. Works on the log files posted in the first post.

Manny

keodo:
Hi, I am very interested in this topic. I am also facing a similar situation. I use bms pace, does not support pylontech communication. However, I have found a project that supports reading battery information via rs232 port https://github.com/Tertiush/bmspace. Also I found a project to emulate pylontech https://github.com/juamiso/PYLON_EMU, but this version uses an old version so I can't find a value for battery capacity.
I'm not good at coding, hope you can help.
Currently I use a linux computer connected to the battery via rs232 port (usb rs232) and send information via CAN (usb can) but now I still can't write the complete code. :'( :'(

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