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Unread 06-23-2015, 01:55 PM   #21
Not Yet Wild
Join Date: Feb 2012
Posts: 33
Default Re: 12V winch power from DS controller?


Thanks yet again. I feel pretty dense, though - I must be missing something. I think you confirmed that my pared-down, no-solenoid, consolidated-to-only-one-DPDT-switch version of your two-switch arrangement accurately captures the switching logic of your two-switch version - but then you went on to explain's really not the same thing because of the throttle-signal? So the throttle-signal is covered with the two-switch arrangement? I feel slow - maybe another cuppa will help me out.

But that could be academic & maybe you don't need to try to make it clearer for me - you later wrote:
"...The only way to use your idea is to have the resistor in series with the "Purple" wire, but there would be a possibility of pressing the pedal and the voltage at the controller B+ to M- would go up...."
I think I'm OK with that safety advisory, at least for now, to test the basic operability with as few commitments to these mods as possible. The cart will be where it's extremely unlikely that any other human would see it, let alone decide to sit in it, ignore the fat connector running from it to the winch, and press the accelerator, so the risk for now is minimal in my estimation.

So in the edited (attached) pdf, have I accurately shown what you meant by "resistor in series with the "Purple" wire"?

The key must be on for anything we've been talking about to work, right?

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Unread 06-24-2015, 09:20 AM   #22
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Join Date: Sep 2012
Location: Charlotte, NC
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Default Re: 12V winch power from DS controller?

There was no attachment on the last post, but I meant the "Blue" and "Red" sections You drew around my switch was the correct setting for Drive and Winch mode.

If You are going to use a single switch, the potentiometer needs to be on the "Negative" side (purple wire).

This way You are using the potentiometer to actually dial up the "minimum" throttle value, but as I said, keep in mind that pressing the pedal would go to "Full throttle" and send +48v to the winch.

One thing I forgot to mention is that in my 2-DPDT switch setup up, I had separated the functions of the throttle input in a way that would not "trigger" a High-Pedal detect feature, if enabled (switch on the Right needed to be turned ON first, then the one on the Left).

Here is a sketch of the single switch with the potentiometer on the purple wire:
Attached Images
File Type: jpg simplified_winch_switch.jpg (66.6 KB, 0 views)
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Unread 06-24-2015, 12:42 PM   #23
Not Yet Wild
Join Date: Feb 2012
Posts: 33
Default Re: 12V winch power from DS controller?

Thanks, Sergio...sorry about the omitted attachment. Your drawing makes it clear - amazingly, no further questions at this point. Is there somewhere an annotated schematic or other drawing of the pedal/controller connections, with descriptions of the purpose of the various junctions (beyond just color and number?) I'd prefer to be able to understand better what I'm doing, beyond the level of "this one is hot", "this one needs power" approach

I will get on those mods as soon as the weather clears up a little here. I may need another winch to get the cart up to the place where it's to power the 'real' one...

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