[NSRCA-discussion] Futaba R6014FS Receivers

Keith Hoard khoard at gmail.com
Sat Nov 22 04:45:42 AKST 2008


I think all of the recently manufactured servos are made to work fine with
the lower signal voltage.  I would just contact the manufacturer. .  perhaps
easier than designing a " simple buffer"?

On Fri, Nov 21, 2008 at 11:00 PM, Ed Alt <ed_alt at hotmail.com> wrote:

>  Aside from using a purpose built servo that matches logic families with
> the receiver, the only real solution is to insert a level translater in
> between; basically a simple buffer that allows you to take a lower voltage
> ourput signal from one logic family in the receiver and boost the signal
> level to work with a servo that requires higher levels for safe operating
> margins.  Personally, I would not fly other servos without doing this, even
> if they seem to be working fine.   Jim Oddino's post  used two very
> instructive words:  "ragged edge".
>
> Ed
>
> ----- Original Message -----
> *From:* Bob Richards <bob at toprudder.com>
> *To:* General pattern discussion <nsrca-discussion at lists.nsrca.org>
> *Sent:* Friday, November 21, 2008 9:42 PM
> *Subject:* Re: [NSRCA-discussion] Futaba R6014FS Receivers
>
>   I think I read somewhere that the R608FS receiver uses the same chipset
> and has the same problem.
>
> So far I have not had any problems with the servos that I use, but I was
> not able to check the pulse width out of the higher channels with my Hitec
> programmer. I have to wonder, however, exactly what is the logic level for
> the various servos? Also, does the logic level of the servo change with a
> different battery voltage? Does the output level from the rx change with a
> different battery voltage?
>
> I guess this is a good reason to use some sort of output conditioner
> (powerbox, etc) if mixing brands of receivers and servos.
> Bob R.
>
>
> --- On *Fri, 11/21/08, MKMSG <mkmsg at cox.net>* wrote:
>
> From: MKMSG <mkmsg at cox.net>
> Subject: [NSRCA-discussion] Futaba R6014FS Receivers
> To: "NSRCA Discussion List" <nsrca-discussion at lists.nsrca.org>
> Date: Friday, November 21, 2008, 1:15 AM
>
>  I was reading the FAQ section of the Futaba website when a particular
> item caught my eye regarding the R6014FS 2.4 receiver.  The FAQ states that the
> use of non Futaba digital servos with the R6014FS receiver may be
> problematic due to the 6014's lower output voltage of 2.7 volts.  Since I do
> occasionally mix and match Futaba and JR servos and use the 8 channel 2.4
> receiver, I wondered if this issue was common to all Futaba 2.4 receivers.
> Here's Futaba's answer: "The FAQ refers only to the R6014FS receiver, this
> is the only one that has the lower voltage."  Just thought I'd pass this
> along in case someone experiences performance anomalies with the 6014
> receivers using other than Futaba servos.
>
> Mike
> NSRCA 35
>
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-- 

Keith Hoard
Collierville, TN
khoard at gmail.com
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