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Re: How to control polarity servo on BUD w/Pansat 2700 Receiver??

Posted by wa5dxp on 07/29/06 16:27

Thank you for all the leads and I will indeed investigate.
Unfortunately the 2700 does not have the servo output
(at least I don't see the 3 leads, but I could be wrong on
that). If so it would surely be nice to just scan a sat and
let her rip.

Will search for V-Box and all other items you advised,
thank you very much.

Jim






On Fri, 28 Jul 2006 23:39:09 -0700, Unregistered <not@home.com> wrote:

>If your DVB receiver has servo connections, then you just hook them
>up to your servo and that's mostly that. (You also need to set the
>angle in your setup menus.)
>
>As far as controlling the position of the dish, you need something
>like the Vbox (or Vbox II). Here's a random Google result:
>
>http://roxsat.biz/product_info.php?products_id=53
>
>If your DVB receiver doesn't have servo connections, then there was
>an adapter box out there that sensed the 13V/18V on the coax and
>converted this to servo output. I don't remember what it was called,
>but I do know it exists (or existed). It'll probably be easier just
>to get a DVB receiver with servo connections.
>
>I believe the Pansat 2700 does have servo connections, so you're all
>set in that regard.
>
>If you want to hook 2 (or more) different receivers up to a dish,
>then one way to do it is to use a switch or relay to change which
>receiver controls the servo, while letting just one receiver handle
>the dish position. You need a switch or relay that handles 2 poles
>(the +5V and the Servo lines), though you can probably get away with
>just one if you use some diodes on the +5V lines. As far as the
>grounds, just hook them all up together. A relay is handier than
>a switch if you have just two receivers and one of them has a switched
>output that is on when the receiver is on. If you're clever, you can
>probably use the +5V line itself to switch the relay. Just watch that
>you don't overload that line.
>
>Jim wrote:
>> The polarity servo on a standard analog receiver has 3 leads, and when
>> switching channels the little servo motor switches polarity from V to
>> H.
>>
>> Is there any way to make a DVB FTA receiver control this servo motor
>> when it is scanning a satellite? From what I understand most people
>> on this group use the analog receiver to control the polarity, and
>> then use the FTA receiver to scan all the Horizontal channels, then
>> you would have to scan the Vertical channels, using a DiSEQ switch to
>> switch between C and KU feeds.
>>
>> I was just wondering if there was a way to make the FTA receiver
>> control the big dish like the analog receiver, maybe some kind of
>> adapter box to make the necessary positioning and servo conversions?
>> It would be nice to just hit the scan on a certain satellite let her
>> rip like you can do with small dish.
>>
>> Thanks for any leads/advice/suggestions,
>>
>> Jim
>>
>>

 

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