Re: Dual Turnout Control

Paul O <pomilian@...>

Jerry, there is an excellent write-up by Don V in the Files area under ‘SW Machine Controls’ called ‘SLO-MOS.doc’. Look at Figure 1.

That shows how to wire two or more switches for multi-point control. However that uses DPDT switches.

I can’t think of any way to do it with SPDT switches.


Paul O


From: WiringForDCC@... [mailto:WiringForDCC@...]
Sent: Tuesday, September 27, 2016 7:38 AM
To: WiringForDCC@...
Subject: [WiringForDCC] Dual Turnout Control



The subject line might be worded incorrectly, but what I am looking for is a circuit that will allow stall motor turnout machines (Tortoise) to be thrown at the site of the turnout and remotely as needed.  Will I need a second switch at each turnout to lock out the local control?  We are using the SPDT, three-wire option for local control described by Circuitron for the Tortoise machines.




Jerry Michels

Amarillo Railroad Museum

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