Recent content by hieronymus

Thanks for clearing up how the proportional regen actually works. Definitely counter-intuitive. I like the sound of the setup you have; I don't need to go there quite yet but good to know it's an option. Thanks for the detailed explanation, I'll definitely come back to this. And thanks again for...

When Min Throt Output is 1.2V and Ebrake Throt Output is 0.8 or lower, the wheel gradually comes to a stop with no regen when the throttle is released, and comes to a halt under regen when the ebrake tripwire sensor is triggered. Making the above observation, I'm wondering if there was some...

Btw, yes, proportional regen was enabled at all points along this odyssey...

Looking at the weird rocking back and forth phenomenon at 0.7 V min throt output: - the rocking is accompanied by a clunking sound, at the same tempo - the sound, and the actual rocking action, don't occur when the actual throttle output is over 0.7 V - strangely, the clunking sound starts again...

Ok, I tried some different values for Min Throt Output and Throt Output During Ebrake. Other settings held constant: - zero throttle threshold 1.01 - full throttle threshold 4.11 - fault throttle threshold 4.61 - max throttle output 3.81 Observations Set Ebrake Throt Out to 0 - at Min Throt...

Should have been clearer—no CA settings were changed after the first post until after I connected the white speed wire to a Hall wire; the ebrake regen started working before any setting changes. Thanks for the further info, I'll try those settings next...

That's right, that was the regen problem... but it's working now. After the steps described in my last post, the ebrake regen started working; no CA settings were changed. The proportional regen started working after I changed a key setting: Throttle Min Out is now 0.0 V. Other settings...

Progress! Poles are detected at the CA after connecting the white speed wire of the controller's motor cable to a Hall wire in the cable coming from the motor. Other observations: - when Hall wires are disconnected, the LED on the controller blinks, and the motor seems to start a bit less...

Checked for continuity between: - SP pad on CA and - connector pin on cable that connects to controller. Continuity is OK. Checked for continuity between: - SP pad on CA and - all 3 Hall signal wires on motor cable that connects to controller No continuity. Checked for continuity between: - SP...

Ok! Looks like I know what the next step to take is, thanks. (And after my last post, I realized it was misleading, as the 5V reading was constant, doesn't matter the position of the wheel or if it's spinning.) Will update with progress (one hopes). Thanks

It's actually a steady signal of about 5V, no variation as the wheel spins. So what would that signify? [Dumb question: should the CA be switched on during this test? (I assumed yes. No signal visible when the CA is off, which makes sense to me.)] Thanks for that graphic of the CA board...

Thanks for the in-depth analysis! (It'll take me a while to absorb...) Got around to one of your first recommendations: When spinning the wheel, I got a signal, about 5V. I assume this means there's a defect in the CA?

The word from Grin is that the Grinfineon is both internally wired to send the white wire speed signal to the CA for the speedo, AND it's internally wired to send a Hall signal to the CA for the speedo. They say "It depends on the motor. The controller only relays the speed signal to the CA."...

Great info. I'm going to start by looking into the question of whether the controller is internally wired to send the white wire speed signal to the CA-DP connector and go from there. Thanks!

Ok, another detail that may be relevant... I had spliced the cable coming from the motor to the cable that connects to the controller. I had thought it was irrelevant since the controller is running in sensored mode which would mean that the connection between motor and controller is fine. But...