I just connected the Alfa spid I have up
in the shack, today. All in it seems to
work fine. The instructions do have the CW
& CCW terminals reversed and it definitely
is turning properly.
On this page are the links to the manuals
for the different models, perhaps the
older and newer connect differently.
https://www.greenheronengineering.com/RT_D
ocumentation.php
Appendix A.8 is for the SPID and has it
listed as to what is proper. At the upper
part of the manual they have the jumpers
located, you might try looking at those &
be sure your controller is set up for the
right rotor.
73,
Gary
KA1J
> 3 and 4 are also used for pulse sense on prop pitch rotators. It
> should be easy to see of voltage is going to the motor. Of course the
> controller needs to be set to rotator that you're using. There is a
> menu option and also I believe some internal jumpers.
>
> John KK9A
>
>
>
> From: Don Moman VE6JY
> Date: Sun, 23 Sep 2018 20:42:16 +0000
>
> Hi Phil:
>
>
> *The manual I have for the controller states that rotor terminals 1
> and 2 *
>
> *are for Motor CW and CCW and the Ground and Positive are on
> rotor terminals 3 and 4.*
>
> 3 and 4 are sense wires and they have a low voltage for the logic to
> sense a high or low state as the reed switch opens and closes.
>
> The manual for the rotor states that rotor terminals 1 and 2 are for
> motor drive and that 3 and 4 are for impulse sense.
>
> Of this I can assure you that they are as stated.
> Polarity isn't critical and it would be very hard to do any damage
> with normal 12 to 24 vdc applied to any combination.
>
> There is a troubleshooting section in the manual that verifies that
> the reed switch is operational... put 12v on pins 1 and 2 to turn the
> motor while hooking an ohmmeter on pins 3 and 4. It should vary
> between open and about 1 k ohms.
>
> 73 Don
> VE6JY
>
> > On 9/23/2018 1:34 PM, Phil Snyder wrote:
> > > Howdy TTers
> > >
> > > I am currently trying to hook my new Alfa Spid RAK rotor to my
> > > Green Heron RT21 controller.
> > >
> > > The manual I have for the controller states that rotor terminals 1
> > > and 2 are for Motor CW and CCW and the Ground and Positive are on
> > > rotor terminals 3 and 4.
> > >
> > > The manual for the rotor states that rotor terminals 1 and 2 are
> > > for motor drive and that 3 and 4 are for impulse sense.
> > >
> > > I hooked it up according to the rotor directions and to the
> > > controller since it had been on an Alfa Spid already and it does
> > > not turn the rotor. I get a "No Motion" error on the control box.
> > > At this point I am hesitant to switch the wires around until I get
> > > some confirmation as to what is and isn't correct ( I don't want
> > > to fry anything!)
> > >
> > >
> > > Thanks
> > >
> > > Phil
> > >
> > > N9LAH
>
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