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11-06-2011, 05:19 PM
| #161 | |
| Yashua   Join Date: Sep 2010 Location: Learn the parable of the fig tree
Posts: 3,661
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11-06-2011, 05:41 PM
| #162 | |
| I wanna be Dave Join Date: Nov 2010 Location: 07456 N. NJ USofA
Posts: 8,314
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11-07-2011, 10:47 AM
| #163 | |
| Yashua Join Date: Sep 2010 Location: Learn the parable of the fig tree
Posts: 3,661
| Quote:
I know i was having glitching issues with my wifes creeper untill i wired this way, albiet with spectrum system. | |
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11-07-2011, 12:59 PM
| #164 | |
| I wanna be Dave Join Date: Nov 2010 Location: 07456 N. NJ USofA
Posts: 8,314
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11-09-2011, 08:33 AM
| #165 |
| Quarry Creeper Join Date: Aug 2005 Location: Jefferson City
Posts: 345
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OK, maybe someone can help me out. I am adding LEDs to my scaler using servo boards as the controllers (at least 3 or 4 circuits). I have an 8-channel receiver (Turnigy) to go with my hacked GT3B radio. I would like to run these servo boards off of a separate battery via a BEC. How would I wire in a second battery with a BEC so that the ESC powers my steering servo, but the lighting controllers are powered via the BEC and second battery?
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11-09-2011, 08:48 AM
| #166 | |
| I wanna be Dave Join Date: Nov 2010 Location: 07456 N. NJ USofA
Posts: 8,314
| Quote:
From a battery pack (the drive one, or the 2nd one) connect the red BEC wire to the pack, the black BEC wire to the pack. If you want, you can use a mini deans on the pack & input of the BEC so you can swap packs .On the output side of the BEC, you can solder the wires direct to the board, or use a connector. If the boards have an input similar to the RX, a lot of LHS's have connector kits for servo's to plug them into the RX. I use Futaba connector kits (housing, 3 female connectors, ~$1.25) which you can use to connect the BEC output to the board making it removable. Hope that answers your questions. | |
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11-09-2011, 09:40 AM
| #167 |
| Quarry Creeper Join Date: Aug 2005 Location: Jefferson City
Posts: 345
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I'm not entirely sure of your description. I am wanting to tie in the power from the 2nd battery (via BEC) into my receiver to power the addtional channels for the lighting while, if possible use the ESC's BEC to power the steering servo. This is where I'm confused as to how to wire it. I assume that I would need to keep the ESC's red wire in place, but do I pull a wire from the BEC's lead going into the receiver? Or is this even possible?
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11-09-2011, 10:10 AM
| #168 | |
| I wanna be Dave Join Date: Nov 2010 Location: 07456 N. NJ USofA
Posts: 8,314
| Quote:
I think it would be better to use the ESC BEC to power the RX (including lights) and use the external BEC to run the servo. The external BEC can run off the main battery pack, or off a secondary pack. At least I understand what you are trying to do now. | |
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11-09-2011, 12:14 PM
| #169 |
| Quarry Creeper Join Date: Aug 2005 Location: Jefferson City
Posts: 345
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Maybe that WOULD be the better option. The servo will definitely pull more than the lights, even though the servo is only an Hitec 645.
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11-09-2011, 02:39 PM
| #170 | |
| I wanna be Dave Join Date: Nov 2010 Location: 07456 N. NJ USofA
Posts: 8,314
| Quote:
Hopefully either your pack is a hi "C" (35C +) or lower "C" but high capacity (3000mah+) to handle short term high draw off it. | |
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11-10-2011, 06:17 AM
| #171 |
| Quarry Creeper Join Date: Aug 2005 Location: Jefferson City
Posts: 345
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I'm using a 2S 5000mah 40C pack, so I should be good. Now, I just need to gather up a few burned out servos.
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11-12-2011, 02:46 PM
| #172 |
| I wanna be Dave Join Date: Nov 2010 Location: 07456 N. NJ USofA
Posts: 8,314
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I still think direct from the BEC to the servo is best, you can do it this way.... BEC to Servo connector |
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01-21-2012, 07:21 AM
| #173 |
| RCC Addict Join Date: Jun 2006 Location: Durham, NC, USA
Posts: 1,164
| Re: Definitive wiring diagrams for BECs Rx Servos Motors etc.
there is a plug you can purchase at Creation Fab for those who want to bypass the receiver and wire the BEC directly to the servo(s): CreationFab - Plugs Other Receiver Bypass Adapter |
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01-21-2012, 07:56 AM
| #174 |
| RCC Addict Join Date: Jun 2006 Location: Durham, NC, USA
Posts: 1,164
| Re: Definitive wiring diagrams for BECs Rx Servos Motors etc.
...or, you can purchase the Paradox BEC Jacks: Products and Ordering |
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01-26-2012, 09:28 AM
| #175 |
| Newbie Join Date: Nov 2011 Location: Metropolis
Posts: 38
| Re: Definitive wiring diagrams for BECs Rx Servos Motors etc.
I`m am a newbie at all this , just started crawling this fall, but i have been doing my homework on the electronics, here is something i found here at RCCrawler. Here is a valuable piece of info i got here from another member who spoke to Hitec support about BEC`s and 7.4 volt servos. Here is my setup: Axial XR10 HH TM 45t Sports 2x FXR single 2s 20c lipo Hitec 7950 @ 7.4 v According to Hitec Tech support you don`t need a BEC with this setup , i wired everything just like you would with a bec , i.e. power directly from the bat to the servo and the signal w/ground to the rx, ( i added a switch between the bat and the servo so i can cut power without having to unplug the bat). The only drawback i can see from this is as your bat drains and gets to cutoff ,your torque will go from 483 to the minimal 403 torque rating. I haven`t tried this on the rocks yet but bench tests all look good . I was thinking of adding an inline fuse to protect the servo, gotta see how hot it gets like this , but as i said no field test yet ( still to cold lol ) so if anyone here has tried this ," dose it work well in hard crawling ? |
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01-30-2012, 04:36 PM
| #176 |
| Quarry Creeper Join Date: Dec 2011 Location: marshall
Posts: 286
| Re: Definitive wiring diagrams for BECs Rx Servos Motors etc.
great thread, im running a hitec 7955th on my budget xr and it just wasn't getting the job done with the bec wired to castles recomendations but it make sense since the cc bec was running the servo, reciever & dig, i now have the bec in the esc running the reciever & dig, while the cc bec runs just the servo, there is a noticeable difference in servo output, i was about ready to buy another servo but it's good now
Last edited by srt6; 01-30-2012 at 04:44 PM. |
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02-17-2012, 10:20 PM
| #177 | |
| RCC Addict Join Date: Aug 2011 Location: Pipersville
Posts: 1,007
| Re: Definitive wiring diagrams for BECs Rx Servos Motors etc. Quote:
Has anyone used this? I have one that i wanted to use on my Hitec 7955. Just wanted to know which one of the 2 I should plug the servo in. Have a BRXL and set the BEC to 6v running on 2s. Do I need to unplug any of the esc wires that go into the rx? Thank you in advance for the info. | |
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02-17-2012, 10:37 PM
| #178 |
| Quarry Creeper Join Date: Feb 2012 Location: SAN DIEGO
Posts: 242
| Re: Definitive wiring diagrams for BECs Rx Servos Motors etc.
All wires from ESC to to RX. The dual wire, male plug goes to the rx and the three wire plug to the servo. You should always check voltage with a meter BEFORE you plug in your servo!! I fried a JR9100 last night after flipping pos and neg inside the pro bec while rewiring it. Rook maneuver and would still have a $130 servo had I tested it first : ( EDIT: the Plug linked above is a little different than the one I made. you will need all wires from your ESC to the RX. This is the only source of rx power. The power on the harness is looped directly from your BEC to the servo. The directions are right there on the linked page. Plug external BEC into the side with a red and black wire, and your servo into the other side. The male plug goes into the servo channel in the RX like normal. This puts power directly to the servo, taking strain off of the rx. Last edited by BELADOG; 02-17-2012 at 10:45 PM. |
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02-17-2012, 10:50 PM
| #179 |
| RCC Addict Join Date: Aug 2011 Location: Pipersville
Posts: 1,007
| Re: Definitive wiring diagrams for BECs Rx Servos Motors etc.
BELADOG Thanks for the info. I read the instructions on the website. Just to see if anyone was using this product. Wanted to make sure before I did something wrong. Have a good one and thank you again. |
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02-24-2012, 06:37 PM
| #180 |
| Newbie Join Date: Oct 2010 Location: Central Mass
Posts: 37
| Re: Definitive wiring diagrams for BECs Rx Servos Motors etc.
Does this look right? Didn't find much on wiring a Punk Dig unit and BEC. Castle Creations 10 Amp BEC Tekin FX-R ESC Punk Dig Unit Spektrum SR300 Receiver Hitec HS-7954SH Servo at 7.4V 3S Lipo Going on an XR10. Polarity switched for rear motor, right? Power source connectors always female (battery and dig leads)? Thanks for any input |
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