[GreenKeys] stop motor feature

[til128 at juno.com]

Also in the 28s there is a mod kit for a mechanical timer that stops the motor also. The big giveaway is the large relay on the LESU. To further complicate things, printers have been known to be swapped out which do not have the stunt box set up for motor stop. Tom WB2TTY

---------- Original Message ----------
From: Jim Haynes <jhhaynes at earthlink.net>
To: Duncan Brown <duncanancy at earthlink.net>
Cc: greenkeys at mailman.qth.net
Subject: Re: [GreenKeys] stop motor feature
Date: Sun, 7 Nov 2021 21:40:17 -0600 (CST)



And for Model 28 the stop code was sometimes FIGS BLANK H in the stunt
box, and there is an odd relay in the electrical service unit that latches
the motor off when the stop code is received and lets it go back on when
there is a break signal on the line.

In Model 15 there is a motor stop feature that doesn't use a relay, but
has a contact opened by upper case H in the function mechanism and
allowed to go closed by a mechanism around the selector magnet armature
extension.

Then there are motor stop features, including aftermarket things, that
do not use a code to stop the motor but use a timer - if the line stays
idle for a certain length of time it will turn the motor off, and turn
it back on when there is any activity on the line.

And there are some where the polarity of current in the signal line
determines whether the motor runs or stops.

 ---

 "Ya can argue all ya wanna, but it's dif'rent than it was."
 "No it ain't! No it ain't!  But ya gotta know the territory."
 Meredith Willson, The Music Man
______________________________________________________________
GreenKeys mailing list
Home: http://mailman.qth.net/mailman/listinfo/greenkeys
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:GreenKeys at mailman.qth.net

>>> Jordan Spencer Cunningham's GreenKeys Search Tool: https://teletype.net/gksearch
>>> 2002-to-present greenkeys archive: http://mailman.qth.net/pipermail/greenkeys/
>>> 1998-to-2001 greenkeys archive: http://mailman.qth.net/archive/greenkeys/greenkeys.html
>>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool: http://comcents.com/tty/greenkeyssearch.html

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to til128 at juno.com
____________________________________________________________
Sponsored by https://www.newser.com/?utm_source=part&utm_medium=uol&utm_campaign=rss_taglines_more

US Stays Mum About Diet's Effect on Getting COVID
http://thirdpartyoffers.juno.com/TGL3131/61889e3ca0d851e3c36a5st03duc1
Pete Davidson Takes Questions as Aaron Rodgers on SNL
http://thirdpartyoffers.juno.com/TGL3131/61889e3cc1a451e3c36a5st03duc2
After Taunting Female Goalie, School's Students Are Shut Out
http://thirdpartyoffers.juno.com/TGL3131/61889e3ce07ff1e3c36a5st03duc3
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20211108/19e4e535/attachment.html>