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I want to connect my fastrack switches to the AIU, and was wondering what color wire goes to each of the switch inputs 1, 2 and in? I can't find a reference in the DCS manual or the fastrack instructions (that only mention TMCC). I know this is simple and I am away from home right now, trying to create my wiring list for when I get back home in 2 weeks.

 

All I know for sure (I think) is that the yellow wire is for switch controller power, which does not get connected to the AIU.

 

Thanks for any help: Joe K

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Originally Posted by Joe K:

I want to connect my fastrack switches to the AIU, and was wondering what color wire goes to each of the switch inputs 1, 2 and in? I can't find a reference in the DCS manual or the fastrack instructions (that only mention TMCC). I know this is simple and I am away from home right now, trying to create my wiring list for when I get back home in 2 weeks.

 

All I know for sure (I think) is that the yellow wire is for switch controller power, which does not get connected to the AIU.

 

Thanks for any help: Joe K

The yellow wire is actually the indicator lamp, it is a + or - 5V depending on the switch position.
 
Red it the "out" position, Green it the "through" position, and Black is the common.  Connecting Green to Black will switch to the "through" position, Red to Black for "out".
Originally Posted by gunrunnerjohn:

I think that's what I just said, right?   That is correct.  You can use a bi-polar (2-lead) RED/GREEN LED between the yellow and black with a 220 ohm resistor to give you switch position indication feedback if desired.  This would be nice on a layout diagram to see where all the switches are positioned.

I have been researching these LEDs (let me preface with am only 1/3 of the way through Electronics for Dummies....) and am running into AC/DC issues/questions and general confusion.  Let me just ask is there a specific LED you recommend?  I am looking to wire them at the control panel between the AIU and the Fastrack switches.  Switches will be wired through accessory power.  Thanks.

Hi  I am still a newbie when it comes to the DCS system so hopefully someone is able to help me with my problem. 

 

I am trying to get lionel fastrack switches (O-36) to work through my MTH DCS system as well and I can't get the switch to throw.  I have it wired according to the diagrams in the DCS O gauge Companion(see below).  I have it hooked up to a MTH z-1000 transfer to use aux power.  I removed the jumper.  I can hear the AUI switching when i press the buttons on the remote but the switch won't throw. There is power to the switch as it lights up.   Any suggestions would be greatly appreciated. 

 

Thanks,

Nick

 

 

 

MTH

MTH

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  • MTH: wiring setup

Check for a loose wire, under the fastrack switch, at any terminal blocks you may have in the circuit, and at the AIU. If it used to work, then a loose wire may be the cause. Wires come loose like black magic.

 

Also throw the switch by hand to be sure there isn't a mechanical bind in the switch (a piece of ballast or scenery can do this)

 

Joe  K

Ryan,

I can hear the AUI click when I press the button on the remote and the light on the switch blinks but the switch won't throw any more.

That would suggest that the issue is with the switch itself.

 

If you have the switch track wired to a control panel pushbutton as well as the AIU, try operating it via the pushbutton. If it doesn't work from the button, the problem is almost certainly with the switch itself.

Last edited by Barry Broskowitz

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