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Each TIU channel is capable of supporting between 200-300 feet of track. Using all 4 channels allows support of up to 1200 feet of track.

 

This and a whole lot more is all in "The DCS O Gauge Companion 2nd Edition", now available for purchase as an eBook or a printed book from MTH's web store site! Click on the link below to go to MTH's web page for the book!

 
 
Originally Posted by Barry Broskowitz:

Each TIU channel is capable of supporting between 200-300 feet of track. Using all 4 channels allows support of up to 1200 feet of track.

 

This and a whole lot more is all in "The DCS O Gauge Companion 2nd Edition", now available for purchase as an eBook or a printed book from MTH's web store site! Click on the link below to go to MTH's web page for the book!

 

 

Thanks Barry

 

So I would assume I will have to supply a separate source of power to the second fixed input also. I am using 1/2 of a ZW for the first fixed input so I guess I can use the remaining ZW's output for the second fixed input on the TIU.

Does this sound right to you?

 

Thanks

Bill

 
 

Bill,

 

Depending upon power demands on each TIU channel, you may be able to use the same power source for more than one channel. In that case, simply jumper them together at the channel inputs.

 

If using an older transformer that lacks modern circuit protection, such as a postwar ZW, it is extremely important to place fast-blow fuses or quick-acting circuit breakers in the Hot wire between the transformer and the TIU channel input.

 

This and a whole lot more is all in "The DCS O Gauge Companion 2nd Edition", now available for purchase as an eBook or a printed book from MTH's web store site! Click on the link below to go to MTH's web page for the book!

 
 
Originally Posted by OG3RAIL:

Can some one explain to me if the same DCS signal is coming out of both fixed outputs on the TIU why would I want to wire up the second fixed output......Will i get a stronger signal that way? The MTH manual does not explain this clearly.

 

Thanks again

Bill

One point about multiple channels, you can NOT parallel them to the same power block, each channel needs to supply an independently connected section of track.  Obviously, that's also in Barry's book.

Our two Z4000 transformers have one throttle dedicated to each TIU fixed input with a bridge to the variable input, i.e., Throttle A feeds Fixed 1 and VAR 1, and so on ...
 
So two Z4000s feed two TIUs, equal power to each TIU ...
 
I've tried to insure the loads are pretty much equalized between heavy use tracks (main lines) and no-so-heavy use tracks, like the freight yard, are on the VAR channels, as are a couple of sidings I can turn on and off with the remote.
 
Works great .... so far ....
 
Originally Posted by Barry Broskowitz:

Bill,

 

Depending upon power demands on each TIU channel, you may be able to use the same power source for more than one channel. In that case, simply jumper them together at the channel inputs.

 

If using an older transformer that lacks modern circuit protection, such as a postwar ZW, it is extremely important to place fast-blow fuses or quick-acting circuit breakers in the Hot wire between the transformer and the TIU channel input.

 

This and a whole lot more is all in "The DCS O Gauge Companion 2nd Edition", now available for purchase as an eBook or a printed book from MTH's web store site! Click on the link below to go to MTH's web page for the book!

 
 

In answer to the original question, you need to use two TIU channels, with their outputs feeding different parts or loops, if you would be pulling more than 10 amps from a channel.  I use 2 FIXED sections so I can have 6 trains running at once on my mainlines. (I also use 4 VARIABLE for yards and brach lines.

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