It looks like you would have to set MENU:ACC2 IO to TRN CTRL to enable AUXBUS output on the KX3 GPIO pin. It's not clear from VE3IBW's post if the KPA500 was automatically following the KX3 via AUXBUS, or if the XCVR port of the KPA500 was being used instead.
The S-BOX enables easy connections between the KX2/KX3 ACC ports and standard D-SUB connectors used for serial ports (9 pins) and the KPA500 AUX port (15 pins). No custom cables or soldering required. As long as a PC is polling the KX3, other devices such as the KPA500 and perhaps your screwdriver controller can "listen in" on this serial traffic and change bands automatically, like the SteppIR control box does. All the "Y" connections are handled in the S-BOX. No Arduino needed unless required by your Screwdriver controller for some reason. I don't have connection diagrams for the KX3 up on the web site yet, but I'm working on an update. Of course the S-BOX can do the same thing for a TS-590 just as well, plus it will allow computer-generated CW keying over the same serial port (DTR pin), something the K3 has built-in, but the TS-590 and KX3 do not. 73, Bob, N6TV https://bit.ly/S-BOX https://bit.ly/Y-BOX On Mon, Jul 30, 2018 at 11:05 AM, Brian Waterworth < brian.waterwo...@gmail.com> wrote: > It does. I have used this setup for two field days. Pay attention to the > menu setup of acc2 and ptt on the kx3 if memory serves me correctly. From > my notes on field day setup: > > If using an Elecraft kpa500, setup the kx3 so that the "pa key" is grounded > during ptt. That means lo=ptt on the kx3 menus (ACC2 IO). > > I figured this out by looking at the kpa500 manual. I was borrowing a > fellow hams kpa500 so I can’t help more with testing as I don’t own one. > > P.s. I must have missed your original post because I did not see the post > you indicated you sent to the list. Sometimes I get a bit delete happy :-) > > Regards > Brian > VE3IBW > > On Mon, Jul 30, 2018 at 10:11 AM Mark Goldberg <marklgoldb...@gmail.com> > wrote: > > > I have asked if this will work, but did not get any answers. I suppose I > > could wire it up and see if it does. > > > > 73, > > > > Mark > > W7MLG > > > > > > On Mon, Jul 30, 2018 at 6:21 AM, ANDY DURBIN <a.dur...@msn.com> wrote: > > > > > > > > > > > KX3 has the option to output aux bus on ACC2 "TRN CTRL (output; > XV-series > > > transverter control using Elecraft auxBus prototcol)". Why wouldn't > you > > > connect this directly to the aux bus input pin of the KPA500. Isn't > that > > > what it is for? > > > > > > > > > > > > Not discouraging Arduino projects though as I am going something > similar > > > to integrate my TS-590 with KPA500 and KAT500. > > > > > > > > > 73 > > > > > > Andy k3wyc > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
