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Author Topic: Battery and servo connection to Flysky Rx  (Read 668 times)

Terry

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Battery and servo connection to Flysky Rx
« on: January 13, 2021, 01:27:45 pm »

Just received a FlyskyFS-i6 Tx with FS-ia6b Rx. I cant find which way round to connect battery and servo leads to the Rx, I am refering to the polarity of the battery connection, and the servo signal pin on the Rx.
Thanks, Terry.
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Colin Bishop

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Re: Battery and servo connection to Flysky Rx
« Reply #1 on: January 13, 2021, 05:05:35 pm »

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barriew

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Re: Battery and servo connection to Flysky Rx
« Reply #2 on: January 13, 2021, 06:10:22 pm »

Its marked on the RX under the Channel numbers - reading from the inside to the edge of the Rx it is Signal Plus Minus


Barrie
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Terry

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Re: Battery and servo connection to Flysky Rx
« Reply #3 on: January 14, 2021, 05:49:54 pm »

Thanks for the replies.
My Rx is a FS-iA6B a different configuration to Fig. 2.3 in the manual.
There are no polarity markings of any kind.
I have JR servos, they can plug in either way round, is it safe to assume that if connected to the Rx incorrectly they will simply not work, no damage done. Same assumption for the battery connection, if it is plugged in the wrong way round there will be no power to the Rx.


Cheers, Terry.
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JimG

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Re: Battery and servo connection to Flysky Rx
« Reply #4 on: January 14, 2021, 06:38:20 pm »

The way they are wired now means that there will be no damage caused by plugging the battery or servos the wrong way round.With the positive in the center reversing the negative and signal has no effect except for things not working. (Not always the case with older equipment, Sanwa is one of these where the negative was the centre and positive one of the outside wires. Plugging in power the wrong way could cause the release of the magic smoke. This is why the old Sanwa plug could not be plugged in the wrong way in a Sanwa receiver, Futaba and JR plugs could be put in the wrong way.)
Jim
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barriew

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Re: Battery and servo connection to Flysky Rx
« Reply #5 on: January 14, 2021, 06:39:59 pm »

Terry The orientation is the same for the iA6B  negative to the edge of the case. I'll get a photo tomorrow if you need it.


Barrie




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malcolmfrary

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Re: Battery and servo connection to Flysky Rx
« Reply #6 on: January 15, 2021, 10:01:50 am »

Thanks for the replies.
My Rx is a FS-iA6B a different configuration to Fig. 2.3 in the manual.
There are no polarity markings of any kind.
I have JR servos, they can plug in either way round, is it safe to assume that if connected to the Rx incorrectly they will simply not work, no damage done. Same assumption for the battery connection, if it is plugged in the wrong way round there will be no power to the Rx.


Cheers, Terry.
Plug a servo in the wrong way round, it just sits there and nothing happens.
If it is a three legged power plug, plugging it in the wrong way round is equally harmless.
If a two way, plugging it in the wrong way on the right pins does run the risk of letting the magic smoke out.
Modern designers have realised that having the negative line at the outside edge of the card is a good idea, all the negative pins are on a common connection.  Similarly, all the center pins are on a common rail.  The signal pins need to connect to various locations on the card, and can easily do so from the innermost row.
Manufacturers who insisted on being different either went out of business or adopted the sensible standard about 20 years ago.
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colin-d

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Terry

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Re: Battery and servo connection to Flysky Rx
« Reply #8 on: January 15, 2021, 12:13:06 pm »

Thanks to all of you, everything now clear.
Cheers, Terry.
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