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04-05-2014, 11:41 PM | #1 |
Quarry Creeper Join Date: Feb 2011 Location: Litchfield park
Posts: 227
| Beating the dead BEC horse. Please help.
I bought a CC MMP with the 10a BEC already wired to the battery wires of the ESC. I've never had an external BEC before, do I just remove the red power wire from the ESC to the receiver and plug the BEC to the bind plug, then servo to the receiver as normal? I guess I just don't see how that would change anything over using the internal BEC. I always thought it was the receiver browning out not the ESC's internal BEC. Also, the guy I bought it from said that the servo would have power when the battery was connected. I noticed he had cut the power switch off and connected the wires. I planned on rewiring the switch. Is there a way to have it only get power when I switch the ESC on? Or do I have it wrong all together |
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04-05-2014, 11:53 PM | #2 |
I wanna be Dave Join Date: Aug 2004 Location: Tri-cities, WA
Posts: 4,831
| Re: Beating the dead BEC horse. Please help.
Yes pull the red wire from the plug coming off of the esc and wire as you described. Leave the switch off. There is no point in having one since leaving any battery plugged into the system is a terrible idea under any circumstances.
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04-05-2014, 11:57 PM | #3 |
Newbie Join Date: Mar 2008 Location: Puyallup
Posts: 36
| Re: Beating the dead BEC horse. Please help.
You have it right. Just remove the red wire from ESC and plug in everything in to your rx. The bec goes to the bind port on a spectrum rx. Even if you rewire the switch on the esc you will still have power to the servo. The switch is only for the esc power. You could probably run an on/off switch for your bec. I'm sure someone else has done it, I never have.
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04-06-2014, 07:13 AM | #4 |
RCC Addict Join Date: Mar 2013 Location: Oklahoma City
Posts: 1,685
| Re: Beating the dead BEC horse. Please help.
Yup. The idea is you can either run it this way or wire the BEC directly to the servo power wires and plug the servo signal wire into the receiver servo signal port. Then you keep the ESC hooked up as normal to the receiver. So what's the big deal? Well, the ESC typically provides power to the receiver for all the items powered into the receiver as well as the receiver itself. The BEC has battery voltage(depending on how you power it) and a much higher power capability (10amp). So if you plug the ESC power and BEC power into the receiver....brown out! By removing one if the power inputs from the receiver, you eliminate that possibility. |
04-06-2014, 08:56 AM | #5 |
Quarry Creeper Join Date: Feb 2011 Location: Litchfield park
Posts: 227
| Re: Beating the dead BEC horse. Please help.
Alright guys. Thank you so much for the help and sorry again for beating a dead horse here. I just couldn't figure out what I was doing with reading the other posts because it didn't seem to make any sense to me. Anyway, I guess I'll just run without a switch anyway and remove the power wire from the esc. Seems to be the easiest way. Thanks again!
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04-07-2014, 07:05 AM | #6 |
Quarry Creeper Join Date: Feb 2011 Location: Litchfield park
Posts: 227
| Re: Beating the dead BEC horse. Please help.
Ok, so I started routing my wires and everything and noticed in my Wraith, that currently all of the slots on the ESC are spoken for. I have the factory lights that connect to the Bind, servo for steering, esc for throttle and servo winch in AUX. Which one can I run the splitter to connect the BEC too? |
04-07-2014, 07:21 AM | #7 | |
Rock Crawler Join Date: Oct 2013 Location: Wiscasset, ME
Posts: 623
| Re: Beating the dead BEC horse. Please help. Quote:
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04-07-2014, 07:24 AM | #8 | |
Quarry Creeper Join Date: Feb 2011 Location: Litchfield park
Posts: 227
| Re: Beating the dead BEC horse. Please help. Quote:
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04-07-2014, 08:24 AM | #9 |
RCC Addict Join Date: Mar 2013 Location: Oklahoma City
Posts: 1,685
| Re: Beating the dead BEC horse. Please help.
If you're simply needing battery voltage, get some JST plugs or Futaba connectors and wire the lights or winch controller or BEC....whatever, off the battery terminals. Works great when you're in a pickle. Another option is this.... Get a female to female pigtail for your BEC, plug the servo directly into the BEC and pull the signal wire out and plug it in the signal port on the receiver like this.... Last edited by redsawacs; 04-07-2014 at 02:21 PM. |
04-07-2014, 08:32 AM | #10 |
Quarry Creeper Join Date: Feb 2011 Location: Litchfield park
Posts: 227
| Re: Beating the dead BEC horse. Please help.
I think I'll go the splitter route. I'd have to imagine the CC BEC can handle a couple lights and a servo at the same time. If not I'll wire the servo to the BEC directly.
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04-07-2014, 06:16 PM | #11 |
Rock Crawler Join Date: Jan 2008 Location: Lehigh Valley, Pa
Posts: 768
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The advantage to wiring the servo directly are for higher voltage servos where you want more then 6v. Otherwise wiring to the receiver is just fine and the splitters will take care of you without issues. The lights are very low draw, so they don't even really count. One thing to be sure if though, make sure your BEC is set to. 6v so you don't fry anything. Just check the output with a meter just to be safe. Good luck |
04-07-2014, 07:21 PM | #12 | |
Quarry Creeper Join Date: Feb 2011 Location: Litchfield park
Posts: 227
| Re: Beating the dead BEC horse. Please help. Quote:
If I have the lights on ch. 3, will I be turning off the lights when I toggle my 3rd channel to run the winch? | |
04-07-2014, 07:41 PM | #13 |
Rock Crawler Join Date: Jan 2008 Location: Lehigh Valley, Pa
Posts: 768
| Re: Beating the dead BEC horse. Please help.
The lights will stay on all the time without the fancy Heyok light controller regardless of what you are doing with the channel 3 switch on the radio.
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04-07-2014, 08:03 PM | #14 |
Quarry Creeper Join Date: Feb 2011 Location: Litchfield park
Posts: 227
| Re: Beating the dead BEC horse. Please help. |
04-08-2014, 02:23 PM | #15 |
I wanna be Dave Join Date: May 2007 Location: Vancouver, BC
Posts: 2,379
| Re: Beating the dead BEC horse. Please help. |
04-08-2014, 02:25 PM | #16 |
Quarry Creeper Join Date: Feb 2011 Location: Litchfield park
Posts: 227
| Re: Beating the dead BEC horse. Please help. |
04-11-2014, 05:09 PM | #17 |
Quarry Creeper Join Date: Feb 2011 Location: Litchfield park
Posts: 227
| Re: Beating the dead BEC horse. Please help.
Ok so I got everything wired and it all works. Used the Castle link to program the esc and place the bec at 6v. My questiong is, sometimes and a very slow speed the throttle seems to go nuetral then kicks back on. Kind of hard to explain. Almost like it's cogging but after it's rolling already. Sensor cable is brand new. Any thoughts? |
04-11-2014, 11:17 PM | #18 |
Rock Crawler Join Date: Jan 2008 Location: Lehigh Valley, Pa
Posts: 768
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Are you running sensored only or smart sense? Sounds to me like the esc is trying to figure out what the motor is doing. You can also try changing the neutral range or upping the start up power and see if that helps it. I also am assuming you calibrated the esc to your setup now that it's all running?
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04-11-2014, 11:31 PM | #19 | |
Quarry Creeper Join Date: Feb 2011 Location: Litchfield park
Posts: 227
| Re: Beating the dead BEC horse. Please help. Quote:
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