[amsat-bb] G-5500 Controller Question

Daniel Cussen dan at post.com
Wed Jul 29 08:14:53 UTC 2015

I don't know exactly your question, but I assume you have a G-5500
controller, and one Elevation and one G-1000, and you would like to
control both from the G-5500 control box.

The G-1000 DXA is probably (nearly certainly) a DC motor, while that
control box expects and AC motor so outputs AC to the motor.

All is not lost. Assuming the G-1000 has a potentiometer feedback, you
could probably get the control box to turn on some relays with AC
coils, which in turn would switch on a DC supply with forward or
reverse, and you can keep the same feedback. Another option may be to
open the control box, and disconnect the AC for azimuth, and try
connect to a separate DC supply.

The manuals for the controllers are available on line. If you need me
to draw a diagram I can do so. I have used a DC actuator for elevation
which is a similar set up to your DC motor for azimuth.

On 29/07/2015, Tony <dxdx at optonline.net> wrote:
> All:
> I have an old Yaesu G-500A elevation rotator and a refurbished Yaesu
> G-1000 DXA azimuth rotator that I'd like to use with a G-5500 controller.
> I suspect the controller will work with the G-500A right out of the box,
> but I don't know about the G-1000 DXA.
> Any ideas?
> Tony
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