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configuration of 4 sevcons working together

Posted: Feb 17 2021 4:44am
by lechoo93
Hello, I am working on my custom EV, and I'm having some troubles configuring CANopen of 4 sevcons and 1 custom made ECU. The vehicle is working, but I have to take care of all ramps, changing gears etc. Actually ECU is master, and all sevcons are slaves. I'd like to configure 1st node sevcon to act like master, controlled by CAN (throttle demands, etc..) and all other sevcons as slaves. What steps should be done to make it work?

At this moment my ECU is sending torque value of -1000 to +1000, and controlwords to all 4 slaves, but it's not working as I would like.