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HelicopterAlignOther › Fromeco dual Voltage Regulator w/ pin​question.....
08-13-2007 04:05 AM  10 years agoPost 1
Ladymagic

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South Korea

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I am running this regulator in my Trex600N Pro and I am in the process of getting all the electronics setup. The problem is that I still have power going to the reciever even after I re insert the pin. The regulator light goes of though..Is this supposed to work this way????

Mellisa

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08-13-2007 04:57 AM  10 years agoPost 2
ez2bgman

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N'awlins, LA

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Once the pin is inserted, the power should be cut to the regulator and the rx. How do you have it wired?

You should have both the rudder and gain leads from the gyro plugging into the bottom of the Arizona. Then you have 2 color coded leads (one for gain and one for rudder) from the Arizona that plugs into the rx. You will also have 2 more color coded leads coming off the Arizona, one for the switch and one for checking/recharging the battery. If you have it wired correctly, then the only leads going into the rx from the Airzona are the gyro gain and rudder leads.

Gary
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08-13-2007 05:03 AM  10 years agoPost 3
Kevin Dalrymple

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Indianapolis

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Check the charging lead is not hooked up or pluged into anything. If it is and you run with the charging lead hooked up you might burn some thing up! I have had this problem and the voltage was back feeding through the conector. Good luck!

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08-13-2007 09:10 AM  10 years agoPost 4
Ladymagic

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South Korea

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I don't have my Gyro stuff hooked up for just that reason. I would hate to burn it up before I even get that chance to use it. I have the black Male plug from the battery hooked up to the black Female plug from the regulator. I have the Black Male plug from the Regulator hooked up to the battery port on the Rx. I have the pin switch bright yellow connecter hooked up to the bright yellow connector from the Regulator. Other than the cyclic servos, thats all I have hooked up for obvioust reasons. I checked the instructions, and as far as I know, I did it right....right?

Mellisa

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08-13-2007 09:38 AM  10 years agoPost 5
TT2

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Nakhonsawan Thailand

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>> I have the Black Male plug from the Regulator hooked up to the battery port on the Rx<<

That's the problem. That particular plug is used to check the voltage of the battery ONLY...if you aren't checking the voltage then it remains unplugged.

The power from the high, adjustable side of the regulator is carried to the receiver bus via the gyro rudder AND gyro gain leads...nothing else should be plugged into the receiver (the battery port remains empty). By having two leads carrying the juice to the receiver, voltage drop caused by the wire and plugs is greatly reduced.

Just go ahead and hook everything up (including the gyro gain and rudder servo) according to the instructions and you'll be OK. After using the AZ regulator I wouldn't consider flying without one. I get well over a half gallon of fuel for one charge of a 2800 Li-Ion pack...powering (4)9252, GY401/9254, TJ RevMax through aggressive flight on 600N Pros.

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08-13-2007 11:46 AM  10 years agoPost 6
ez2bgman

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N'awlins, LA

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I agree with TT2...

The only leads from the Arizona that go into the rx are the gain and rudder leads. Unplug the black lead from the rx and plug in the gain and rudder leads into the rx. Before plugging your gyro's gain and rudder leads into the Arizona, cycle the rx power a few times. It should work like normal now. The black lead that you have plugged into the rx now is for checking the battery's voltage and not used to supply power to the rx. The rx gets it's power from both the gain and rudder leads coming out of the Arizona. I have always removed the lead used to check voltage because you could not get an accurate voltage reading w/o putting at least a 1 amp load on the battery. I always check my battery voltage directly from the battery with a 1 amp load.

Gary
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08-13-2007 06:08 PM  10 years agoPost 7
TT2

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Nakhonsawan Thailand

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Maybe Fromeco should be more clear about NOT hooking up the battery check plug to the receiver. It's probably delivering the full voltage of the pack which can get well over 8.5V. That would cook a gyro / gyro servo in a heartbeat and probably the rest of the servos too...maybe even the receiver.

I check my pack BEFORE EVERY FLIGHT using the regulator's check plug and the Fromeco 8-ball checker. Works well for me. I basically adhere to what the magic 8-ball tells me...under 7.0V at 1.5A load is no-fly. I always carry a spare pack with me. If I drain both packs then I flew way too much that day! It's never happened...yet.

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08-13-2007 06:35 PM  10 years agoPost 8
ev0l

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Kansas City Missouri

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I had that exact same issue when I hooked mine up. Luckily I had taken lots of reference photos of TT2s bird to go off of, so I knew the black lead was a charge lead, that and the fact that everything powered up fine with only the gain and gyro leads plugged into the RX.

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08-13-2007 10:50 PM  10 years agoPost 9
Jim-bob

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Little Hocking OH​USA

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Lady Magic
Also make sure you have the pin and flag switch mounted to something non conductive, not directly to a carbon or metal frame. My arizona reg. was doing some strange things but an e-mail to them solved my issue. Many gallons and no problems at all with it.

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08-13-2007 11:36 PM  10 years agoPost 10
TT2

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Nakhonsawan Thailand

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My arizona reg. was doing some strange things
Like what??? I've got mine mounted directly to the carbon frame. No problems so far but I'd like to know what to watch out for.

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08-14-2007 06:51 AM  10 years agoPost 11
Ladymagic

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South Korea

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Eureka! it works....go figure It makes so much sense. Now, here's another dumb question. Which of the gyro & gain leads is carrying voltage at 4.8v and 6v+?

But thanks guys you are all great. TT2...you were a huge help sweetie.

Jim-Bob,
I insulated the hole with heat shrink tubing that I trimmed to fit in the hole on the frame just in case. That should be good enough.

Mellisa

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08-14-2007 07:29 AM  10 years agoPost 12
tadawson

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Lewisville, TX

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Both the gyro and gain leads to the receiver carry whatever voltage you have programmed. The gyro and gain plugs, where you actually plug the gyro into the regulator carry 5.1, IIRC . . . .

- Tim

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08-14-2007 09:56 AM  10 years agoPost 13
TT2

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Nakhonsawan Thailand

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I do believe that's the first time I've been called 'sweetie' after helping someone out with an RC-related issue!

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08-14-2007 10:27 AM  10 years agoPost 14
Jim-bob

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Little Hocking OH​USA

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TT2
When I had my pin flag switch mounted directly to the carbon frames, Icould put the pin back in turning off the reg, but if I brought the xmitter close to the heli it would power up on its own. If the pin was out turning on the reg. and the xmitter was close to the heli the servos would chatter. This was all discovered by accident on the bench. I don't know if any of it would have been an issue in the air. Anyway I sent an e-mail to Fromeco and got a responce right away
"did you mount the pin flag to metal or carbon"
I isolated the switch and everything works normally

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08-14-2007 12:06 PM  10 years agoPost 15
TT2

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Nakhonsawan Thailand

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Thanks for the heads-up...strange things indeed! I couldn't replicate the problems with my own setup, but I'll know what the cause is if the problems pop up. I'm on 50mhz...I wonder if that makes any difference...

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08-14-2007 12:33 PM  10 years agoPost 16
Ladymagic

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South Korea

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TT2,
I'll call you whatever you want if you come here and set my 600N up for me. I dont get to work on it as much as I would like to...I fix jet engines all day and the last thing feel like doing after 14 hours on the flight line is look at more tools. I am just joken Thanks again my wonderful gentlemen.

Mellisa

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08-14-2007 06:13 PM  10 years agoPost 17
TT2

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Nakhonsawan Thailand

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I'm calling my travel agent.

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08-14-2007 08:07 PM  10 years agoPost 18
ev0l

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Kansas City Missouri

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get a room:P

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08-15-2007 03:16 AM  10 years agoPost 19
Ladymagic

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South Korea

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I just got done reading the instructions about the Fromeco Reg..it does state that the Gyro and gain leads power the Rx. Geez, How did I over look that? How embarrassing...

Mellisa

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08-15-2007 09:10 PM  10 years agoPost 20
ripcord

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London,England.

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Sorry to jump in but i have had problems getting the pin mechenism placed somewhere safe and secure.Is is correct that you do not have to have the pin flag at all.You can just plug the RX pack in into the reg with out any spikes/surges or issues.If this is the case that is what i will do.

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HelicopterAlignOther › Fromeco dual Voltage Regulator w/ pin​question.....
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