Re: [EVDL] 5 k pot wiring? controller wiring? mis match
Ken, do you have a multimeter? No, buy one for a few bucks, put it on resistance measurement and probe the 3 wires, If this is indeed a 5k pot then there will likely be 2 pairs of wires that read about 5k (for example blue-black and green-black) and between the two pairs (blue to green) it will likely read a low resistance. Now depress the throttle and read again. There will be one pair that is still 5k (for example blue-black) and one pair that has dropped in resistance (for example 1k from green-black) while the resistance between the pairs has increased (for example 4k between blue-green) The pair that is always 5k are the ends of the pot and represent the black and red from the controller. The wire that has changed resistance to both others is the wiper (white on the controller). Just connect it and if the throttle does not ramp the controller up but starts at max and ramps down, then you must swap the ends (black and red). Success! Cor van de Water Chief Scientist Proxim Wireless office +1 408 383 7626 Skype: cor_van_de_water XoIP +31 87 784 1130 private: cvandewater.info www.proxim.com This email message (including any attachments) contains confidential and proprietary information of Proxim Wireless Corporation. If you received this message in error, please delete it and notify the sender. Any unauthorized use, disclosure, distribution, or copying of any part of this message is prohibited. -Original Message- From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of ken via EV Sent: Monday, June 01, 2015 6:50 PM To: Electric Vehicle Discussion List Subject: [EVDL] 5 k pot wiring? controller wiring? mis match I have a very simple controller i'm using on my scooter. throttle cable it shows Blue, green, black _ Controller manaual says Red WhiteBlack 5V 1-4.5V0V SO WHICH GOES TO WHICH? Is the white the wiper? I thinks its 5 k pot? does the a hall affect show resitance across its leads. I'll have the back wheel off the ground for testing. ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA) ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
[EVDL] 5 k pot wiring? controller wiring? mis match
I have a very simple controller i'm using on my scooter. throttle cable it shows Blue, green, black _ Controller manaual says Red WhiteBlack 5V 1-4.5V0V SO WHICH GOES TO WHICH? Is the white the wiper? I thinks its 5 k pot? does the a hall affect show resitance across its leads. I'll have the back wheel off the ground for testing. ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
Re: [EVDL] 5 k pot wiring? controller wiring? mis match
You are making us guess with less than you have. Can you tell what scooter and controller - maybe a link online? On Mon, Jun 1, 2015 at 9:49 PM, ken via EV ev@lists.evdl.org wrote: I have a very simple controller i'm using on my scooter. throttle cable it shows Blue, green, black _ Controller manaual says Red WhiteBlack 5V 1-4.5V0V There is a convention in the US that Red is the supply, Black is the reference or common voltage, and white is a signal wire. You don't tell us it is an input to the controller but that is a decent guess. If correct, then the controller is expecting a signal between 1 and 4.5V. SO WHICH GOES TO WHICH? There is nothing definitive about any of this: http://www.allaboutcircuits.com/vol_5/chpt_2/2.html I would guess the green is less likely to be supply or ground, and black and blue more likely. But who knows? Is the white the wiper? The controller is looking for voltage, not resistance, according to what you shared; but maybe you can work it out with a 5V supply what resistances would produce 1 to 4.5V and see if that makes sense with what you can read from the throttle. I thinks its 5 k pot? Why do you think that? What is it exactly? does the a hall affect show resistance across its leads. A hall effect element produces a variable voltage based on the magnetic flux density passing perpendicularly through it. A Hall Effect IC might do any number of things, and any voltage or resistance you read dependent on the internal circuitry - a mystery most likely. A Hall IC would require power and ground, and the signal would be a voltage output - not resistance. I Hall effect sensor could also be set up to produce a 4 to 20mA current. Or any number of other things. Non-specific pronouns and nouns are so unhelpful. You have presented the throttle as being either a pot or not a pot. If it is a pot, then it will be very obvious. If it is not obvious, it is broken or some other device. I'll have the back wheel off the ground for testing. ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA ( http://groups.yahoo.com/group/NEDRA) -- To invent, you need a good imagination and a pile of junk. Thomas A. Edison http://www.brainyquote.com/quotes/quotes/t/thomasaed125362.html A public-opinion poll is no substitute for thought. *Warren Buffet* Michael E. Ross (919) 585-6737 Land (919) 576-0824 https://www.google.com/voice/b/0?pli=1#phones Google Phone (919) 631-1451 Cell michael.e.r...@gmail.com michael.e.r...@gmail.com -- next part -- An HTML attachment was scrubbed... URL: http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20150601/c44c9acb/attachment.htm ___ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
