Indeed - I've been using them since 1995 and they have always been DC.
73, Pete N4ZR
Check out the new Reverse Beacon Network
web server at <http://beta.reversebeacon.net>.
For spots, please use your favorite
"retail" DX cluster.
On 8/6/2021 7:15 PM, k1ttt.dave@gmail.com wrote:
HUH???? The g-800/1000/2700/2800SDX series going back to at least the 1980's
were all dc drives
David Robbins K1TTT
e-mail: mailto:k1ttt@arrl.net
web: http://wiki.k1ttt.net
AR-Cluster node: telnet://k1ttt.net:7373
-----Original Message-----
From: TowerTalk <towertalk-bounces@contesting.com> On Behalf Of Jack Brindle
via TowerTalk
Sent: Friday, August 6, 2021 16:07
To: Towertalk <towertalk@contesting.com>
Subject: Re: [TowerTalk] Yaesu contol box?
It happened long before 2019. My G-1000DXA from the 2000’s is a DC device.
Schematics for the controllers and rotors are on-line and available.
73,
Jack, W6FB
On Aug 6, 2021, at 1:47 PM, Grant Hopper <kb7wsd@gmail.com> wrote:
There is one "gotcha" to all this. In 2019, Yaesu changed to using DC on
the rotors. From DX-Engineering " Instead of the usual AC motor drive
used in older rotator designs, the G-2800DXA, G-1000DXA and G-800DXA
use a variable-voltage DC motor, removing the need for a large
starting capacitor with its potential for failure exposed to outside
temperature variations.
" The 450 and the 5500 are the same way.
There might be an easy way to determine the AC vs DC upon inspection.
I haven't looked at all the manuals to confirm this but at least with
the 450, it uses only four wires for DC types. Otherwise, some of the
models are stamped with a "DC" after the model number eg. " For
clarity, the new DC rotator motors are marked "G-450DC" at the
connector. The rear panel of the controller is titled "G-450ADC" on the serial
number label."
73,
Grant
KB7WSD
On Fri, Aug 6, 2021 at 8:55 AM <k1ttt.dave@gmail.com> wrote:
Well, yes, kinda, maybe in a pinch.... all the boxes use the same 5
pins for motor power and indication, so yes, they can all be used if
needed to power each other... HOWEVER, the 2700 and 2800 use the 6th
pin to detect when it is getting near the end of travel to invoke an
auto slowdown to keep the more powerful motor and likely heavier
antenna from hitting the hard stop too hard.
David Robbins K1TTT
e-mail: mailto:k1ttt@arrl.net
web: http://wiki.k1ttt.net
AR-Cluster node: telnet://k1ttt.net:7373
-----Original Message-----
From: TowerTalk <towertalk-bounces@contesting.com> On Behalf Of
k7lxc--- via TowerTalk
Sent: Friday, August 6, 2021 11:35
To: towertalk@contesting.com
Subject: [TowerTalk] Yaesu contol box?
Howdy, TowerTalkians -
Are Yaesu control boxes interchangeable? Since they all have the
same wiring, I'm thinking that they can all work with other Yaesu rotators. Is
this right? Tnx. Cheers,Steve K7LXC
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