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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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10-10-2014, 03:43 PM | #11 | |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,406
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Re: More upgrades.
Quote:
Another customer with bugs in his grill. |
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10-10-2014, 03:59 PM | #12 |
Gone Wild
Join Date: Jul 2009
Location: Lake Elsinore Ca.
Posts: 549
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Re: More upgrades.
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10-10-2014, 08:51 PM | #13 |
Not Yet Wild
Join Date: Oct 2010
Location: Missouri
Posts: 32
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Re: More upgrades.
If you toggle the reverse micro switch can you still use the forward and reverse switch or would you have to leave it in the neutral position?
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10-13-2014, 11:05 AM | #14 |
Not Yet Wild
Join Date: Oct 2010
Location: Missouri
Posts: 32
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Re: More upgrades.
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10-14-2014, 12:50 PM | #15 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: More upgrades.
Last time I checked, if you put pack voltage on Pin-4 of a DCX controller, the cart goes in reverse.
What Scotty says is true for series controllers, but not sepex controllers. |
10-14-2014, 01:38 PM | #16 |
Gone Wild
Join Date: Dec 2009
Location: Aiken, SC
Posts: 13,131
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Re: More upgrades.
Was wondering about that JB. Was just about to break out the schematic for the DCX but you already answered it.. I wish they did have a half speed option that was easily switchable.. Would be another selling point.
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10-14-2014, 03:36 PM | #17 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: More upgrades.
Quote:
Since the throttle signal to the controller from an EZGO ITS sensor is the amount of current flow, it might be possible to add a fixed resistor in series or parallel to the sensor and switch it in and out of the circuit to limit the throttle signal to about half the value. Basically, do something like EZGO did with the pot-box for 1/2 speed reverse in the controller Marathons. If you can figure out the values and how to put it in the circuit (series or parallel), you can use a separate keyswitch so you have to have the key to run WOT. |
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10-14-2014, 07:31 PM | #18 |
Not Yet Wild
Join Date: Oct 2010
Location: Missouri
Posts: 32
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Re: More upgrades.
That's over my head, I think I'll try to design a mechanical device for the pedal. Thanks for the help.
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10-14-2014, 07:35 PM | #19 |
Gone Wild
Join Date: Dec 2009
Location: Aiken, SC
Posts: 13,131
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Re: More upgrades.
Jb, is it voltage or amperage? If voltage, what about a Zener to cap the voltage?
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10-15-2014, 09:50 AM | #20 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: More upgrades.
Quote:
The throttle system has three parts: 1. Power source (in the controller) 2. Throttle pedal position sensor (in the pedal box) 3. Throttle signal processor (in the controller - Translates the received throttle signal into whatever the controller uses to adjust the duty cycle of the PWM output) In some applications, a Zener might work, but finding one with low enough voltage might be difficult. You don't want to mess with the power to the ITS sensor, or it might not work right, so the Zener would have to be in the wire between the sensor output and the controller's throttle input. For series and DCS carts, that is from 0.5V to 1.6V, while the voltage range is 1.0V to 2.9V for PDS carts and the voltage range is again different for Alltrax controllers. FWIW: A forward biased silicon diode drops ~0.6V and I've stacked them in series for low voltage Zener applications. Two in series would be about 1.2V, or about half speed for series/DCS while three would be about 1.8V or about half speed for PDS. However, since the ITS sensor is a current operated device, I'd probably just use a resistor in series with the output. |
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