DCC Reverse Module

2659 Views 4 Replies 3 Participants Last post by Kirrin Castle, Jan 21, 2008

Kirrin Castle

Discussion Starter · Jan 18, 2008

Hey guys, Im creating a dumbell layout (ends are reversing on themselves) and wondered if there was any advice on how to wire it in DCC. All of the track is live and I was thinking that isolating the return loop at one end would reverse the current when I have installed the DCC reversing module. Does that reverse all of the other locos? Additionally, do I need another reversing module at the other end dumbell (track isolated over the module)?

Any help much appreciated.

Dynamis rocks!

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Doug

· #2 · Jan 18, 2008 (Edited by Moderator)

I have the following set up on my layout.

This is a classic dog-bone layout:

With DCC, when you cross the tracks in the center section, without proper protection a short will occur:

To remedy the situation, you add a couple of reversing units to either end:

This allows you to keep all the DCC "polarity" the same in the center of the layout. This is where the stations and most of the activity occurs. It will help with wiring and reduce the chance of shorts.

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SPROGman

· #3 · Jan 18, 2008

QUOTE (Doug @ 18 Jan 2008, 14:06) <{POST_SNAPBACK}>To remedy the situation, you add a couple of reversing units to either end:

This allows you to keep all the DCC "polarity" the same in the center of the layout. This is where the stations and most of the activity occurs. It will help with wiring and reduce the chance of shorts.
If you are careful how you operate, you can use a single reverse unit for the middle section.

Andrew

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Doug

· #4 · Jan 18, 2008 (Edited by Moderator)

Perhaps, but my layout has all the stations and yards in the middle section. I can have a couple of trains running on the dog-bone mainline whilst I pass the time shunting in one of the yards. The extra reversing unit takes out any chance of a problem. All the track in the green section below has the same polarity: Red at the front, Black to the back.

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Kirrin Castle

Discussion Starter · #5 · Jan 21, 2008

Doug VMT. I think Ill adopt your scheme as I will be doing most of my shunting etc in the middle whilst I want at least one train in motion on the main line.

My layout is L-shaped with the dumbells at the extremities of the straight sides, and is going to be an S+D/SR pastiche- hopefully! Anyway, it's just survived a house move and is currently being re- set up and added to as time and funds allow.

Thanks for the advice.

Dave

QUOTE (Doug @ 18 Jan 2008, 17:01) <{POST_SNAPBACK}>Perhaps, but my layout has all the stations and yards in the middle section. I can have a couple of trains running on the dog-bone mainline whilst I pass the time shunting in one of the yards. The extra reversing unit takes out any chance of a problem. All the track in the green section below has the same polarity: Red at the front, Black to the back.

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