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Turnigy 9x 8ch receiver

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Steve107 View Drop Down
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  Quote Steve107 Quote  Post ReplyReply Direct Link To This Post Topic: Turnigy 9x 8ch receiver
    Posted: 03/Oct/2012 at 10:05am
Yes its a stupid question but, how does the servo and battery wire connect to the 8 channel receiver without burning it up?
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  Quote klaw81 Quote  Post ReplyReply Direct Link To This Post Posted: 03/Oct/2012 at 12:19pm
Your receiver should not be powered directly from your model's battery. Most receivers are designed for 5-6V and will be damaged if you connect it directly to your model's 8-12V battery.

Instead, the receiver should get power from the battery via a Battery Eliminator Circuit, aka BEC. The BEC is designed to convert power from your model's battery into a nice steady 5V.

Usually, the BEC is built into your model's Electronic Speed Controller (aka ESC). In larger models, a separate stand-alone BEC is often used.

The servos can be plugged directly into the receiver, and are powered by the BEC. There's a little diagram on the receiver that shows which way around the plugs should go (the negative lead is the black or brown one).
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  Quote Sooty Quote  Post ReplyReply Direct Link To This Post Posted: 03/Oct/2012 at 12:25pm
It is not a stupid question at all.

Battery connects via an ESC (Electronic Speed Controller) with a built in 5-6v power supply (BEC) or via a standalone BEC (Battery Eliminator Circuit) if using a standalone Lipo battery pack for receiver and servo power only.

The BEC circuit carries 6v to Rx and servos via channel 3 along with the motor control signal wire - looks just like a normal servo connection.

You can also get dedicated packs for receiver and servo power rated at 6v without need for additional circuitry - used for glow models or gliders. These batteries have a servo connector with red & black wires but no signal wire and plug directly into an unused channel (7 or 8) on your receiver.
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  Quote Steve107 Quote  Post ReplyReply Direct Link To This Post Posted: 05/Oct/2012 at 10:07am
Thanks Sooty. My Rx has 10 plugs. Channels 1-8 and then one marked BAT and one marked BIND. This is the Turnigy 8 channel receiver and I just don't want to damage it before I can at least spin up the blades.
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  Quote Sooty Quote  Post ReplyReply Direct Link To This Post Posted: 05/Oct/2012 at 10:23am
OK - if you were flying fixed wing you would plug your servos into 1-4 and your 5-6v RX battery pack into BAT.

For heli you use channel 3 via your ESC.
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