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CANopen Data Analysis: Extract Insights Now!

 
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Post13-09-2016, 18:32    Subject: CANopen Data Analysis: Extract Insights Now! Quote

Hello to everyone in the forum.

I'm currently using a CAN-Bus shield and an Arduino to read data from my electric vehicle battery. This data exchange is between the charger and the battery, and I want to read the battery temperature.
The corresponding dataset can be found at address 392h, bytes 4 and 5, according to the energyBus documentation.

Sure, please provide the German text you would like me to translate into English. I will only provide the translation without any explanations.
ID:0x392 DATA: C2 5E B 0 36 1 7C 1

So, the values are 0x36 and 0x1.

Does anyone know how I can interpret these values?

Thank you very much for your help.


Translated on 19-08-2026, 1:15.
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Post14-09-2016, 21:43    Subject: CANopen Data Analysis: Extract Insights Now! Quote

Keine Ahnung aber ich würde mir die CAN-ID bei 2 definierten Temperaturen ansehen, ist der Temperatursensor zugänglich?
Temperatur messen, manipulieren, CAN-Nachricht beobachten.
Zur Temperaturmessung eignen sich manche IR-Fieberthermometer vorzüglich.

Viele Grüße, Rainer
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Post15-09-2016, 7:40    Subject: CANopen Data Analysis: Extract Insights Now! Quote

Thank you for your reply.
The sensor is inside the battery and not accessible. The temperature can be read via an app, but I don't know if that reading is accurate. However, you've given me an idea: I could put the battery in the refrigerator to cool it down, then collect some comparison values and perhaps see how the values on the CAN bus change.


Translated on 19-08-2026, 1:17.
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Post15-09-2016, 9:29    Subject: CANopen Data Analysis: Extract Insights Now! Quote

Gute Idee, man kann ja feststellen wie kalt es im Kühlschrank ist und dann hast Du gleich den Temperaturwert dazu.

Viele Grüße, Rainer
Dipl.-Ing. (FH) Rainer Kaufmann - Embedded Software Freelancer
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