[GreenKeys] Basic autostart question

Thu Jul 11 12:35:09 EDT 2019

Personally I prefer the blinking lights and/or cross hairs of the TUs vs a silent board, but either works and I use both. 

If your TU does not have a motor control, keep an eye out for something called an Idle Line Motor Control. They come up on eBay from time to time. Perhaps someone in this list has an extra. 

Paul
W2TTY

ITTY:			HTTP://INTERNET-TTY.NET:8000/ITTY
AUTOSTART: HTTP://INTERNET-TTY.NET:8030/AUTOSTART
EUROPE:		HTTP://INTERNET-TTY.NET:8040/EUROPE

> On Jul 11, 2019, at 8:31 AM, Dave Wade <dave.g4ugm at gmail.com> wrote:
> 
> Folks,
> My Creed7B has a timer on. There is a little worm drive that winds up a
> slotted weight when the machine is idle. A toggle switch lever fits through
> the slot which switches the motor off as the weight is lifted.
> When a start bit operates the magnet, the weight is dropped, and the switch
> is closed and the motor starts. Yes you may loose a first character, but it
> needs no input from any TNC.
> Dave
> G4UGM
> 
>> -----Original Message-----
>> From: greenkeys-bounces at mailman.qth.net <greenkeys-
>> bounces at mailman.qth.net> On Behalf Of Steve Garrison
>> Sent: 11 July 2019 14:19
>> To: 'John Lawson' <john at tubetestingpros.com>;
>> greenkeys at mailman.qth.net
>> Subject: Re: [GreenKeys] Basic autostart question
>> 
>> John,
>> 
>> From at least one of the other replies, I don't think the M15 itself can
> turn its
>> motor on/off, but there may be models that can.  I've only had one M15 in
>> the past and that one could not control its own motor.
>> 
>> I currently have two M28KSRs that have some external motor control,  You
>> could implement the same control as I'm using with your M15 and M28s as
>> well.  One of my M28s has a SSR (Solid State Relay) controlled AC outlet
> that
>> the M28 is plugged into that turns the entire machine off after a period
> of
>> inactivity.  Then the machine powers up again once the loop becomes active
>> again.  The other M28 has the loop sense circuitry and the SSR mounted in
>> the LESU, so nothing is need externally.  When this M28 has the motor
>> turned off it is only the motor, not the rest of the power into the
> machine.
>> Obviously I did some rewiring of the LESU, but documented it with a nice
>> schematic for the next lucky guy or gal that inherits this beauty.
>> 
>> What are you using to demod your ITTY tones?  I'm using Volpe's Demod
>> board most of the time (sometimes a ST-6 or Dovetron)) and for the motor
>> control, a board from K0TTY (who is now a SK), connected to a SSR.
>> 
>> Hope that helps.
>> 
>> Steve G.N4TTY
>> 
>> -----Original Message-----
>> From: greenkeys-bounces at mailman.qth.net <greenkeys-
>> bounces at mailman.qth.net> On Behalf Of John Lawson
>> Sent: Wednesday, July 10, 2019 7:25 PM
>> To: greenkeys at mailman.qth.net
>> Subject: [GreenKeys] Basic autostart question
>> 
>> 
>> Greetings Greenkeys Friends -
>> 
>> I subscribed to GK for several years, several years ago.  Newly retired,
> I'm
>> back to playing with some of my neglected toys.
>> 
>> I am currently running a Mod 15, Mod 28KSR, and Mod 33ASR.
>> 
>> A friend has a number of TTY machines, and I told him of ITTY. He would
> like
>> to have his Mod15RO (with a nice ASSOCIATED PRESS placard on it) be
>> operational with autostart -   wake up, print something, go back to sleep.
>> 
>> I have spent some time researching this, but the actual 'orthodox'
>> electronic / electrical method of how ITTY communicates Autostart isn't
> clear
>> yet. So given I have ITTY, and a working TU, loop supply, etc., and a
> Mod15 -
>> how does the relay
>> 
>> in the 15 know when to start, and stop, the motor?
>> 
>> I can copy ITTY FB, can read it using FLDIGI, and as soon as the 15 gets
>> finished with it's lube/tweak/adj work on the bench, I'll use it and the
>> 28 for printing ITTY in the shack.
>> 
>> 
>> TIA!
>> 
>> John KB6SCO
>> 
>> Carson City
>> 
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