[TowerTalk] Orion 2800DC idicator is off

Larry Lindblom w0etc@ix.netcom.com
Wed, 01 Nov 2000 01:03:26 +0000


I think 3960 is the value you are talking about or is it a different setting.

K0FF wrote:

> Make sure the divide by number is set correctly. It's menu driven and will
> display any # clicks per degree you want. If you have can't find it in the
> book, I'll dig mine out. It's something like 9000 per revolution. If that's
> off, the indicator will read funny. Can't think of any other thing that
> would cause it.
>
> Happy Building, Geo>KØFF
> http://homepages.dstream.net/K0FF
>
> ----- Original Message -----
> From: Greg Clark <k9ig@contesting.com>
> To: <towertalk@contesting.com>
> Sent: Tuesday, October 31, 2000 9:34 AM
> Subject: [TowerTalk] Orion 2800DC idicator is off
>
> > Folks
> >
> > I have an Orion 2800DC that I'm having a problem with.  I am continually
> seeing
> > that the position of the rotor/antenna is not what is being displayed in
> the
> > shack at the controller.  For instance, if I have the rotor/antenna setup
> for
> > 90 degrees, and I want to turn it to 270, the controller indicates the
> proper
> > position but the antenna may only be at 320.
> >
> > I see no consistancy...eg. always off by 30 degrees.  It varies.  It seems
> that
> > the controller/indicator takes off but does not energize the motor when
> the
> > CW or CCW button is depressed.  Pulses from the rotor back to the
> controller
> > are being lost somewhere.
> >
> > I was on the tower the other day and had my daughter move the antenna from
> 90
> > to 270....she pressed the button and the controller indicated about 20
> degrees
> > of movement before the rotor actually started to move.
> >
> > Per M2, I shipped the rotor and controller back to them and they found a
> bad
> > MOV and pinched wires in the rotor pig-tail and sent it back.  I dropped
> it
> > in the tower last night with the same results that got it sent to the
> factory.
> >
> >
> > Per M2 I have by-passed my Polyphasor box, with the same results.  Last
> night,
> > I pulled the rotor cable and re-worked the connector to the rotor....I've
> not
> > tried it yet.
> >
> > My run of cable from the shack to the rotor is about 200ft.  It's 18 and
> 16
> > awg wire, single run, no splices except for the Polyphasor box.  I have
> paralled
> > two wires for each of the motor connections (terms 1 and 2) but have only
> one
> > wire  going to each of the reed relay terminals (terms 5 and 6).
> >
> > M2 is still trying to help but I wanted to see if anyone else has seen
> this
> > and resolved it.
> >
> > Thanks
> >
> > Greg
> > K9IG
> >
> > --
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> >
> >
>
> --
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> Problems:                 owner-towertalk@contesting.com


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