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Reply to "Running DCS engines on a currently-TMCC layout"

raising4daughters posted:

I got the itch to add some Imperial Rail King engines after seeing my brother-in-law's MTH engines around Christmas. Gives me some options I don't have in semi-scale with TMCC 1.0 or LC+.

I'm using mostly postwar transformers with Lionel Powermasters which allow me to run conventional engines with my CAB1 while also acting as fast-acting circuit breakers.

My plan is to add a TIU and cable to connect to the command base as my brother-in-law has done. But he has a Z4000 tranformer.  Am I going to have any issues with DCS given my power sources?  I've read that MTH engines might not like chopped sine waves, and I believe the powermasters convert the transformers' full sine wave to chopped. 

For now, I'm just looking to run engines. Down the road, I may add a Legacy/TMCC or DCS controller to control switches or accessories but, for now, I'd just like to run my TMCC 1.0, my one LC+, and conventional with some new MTH RKs on the same layout.

Hey my friend,

If you plan on adding the TIU as stated above, you will NOT need the powermaster, the TIU has both fixed voltage outputs as well as variable voltage outputs. Your PM is simulating a "variable output" in this case, for your conventional trains. You will gain TMCC support by connecting the serial out of the TMCC base to the serial input on the TIU with the MTH cable (Part # 50-1032).

To reiterate, when you add the TIU to the mix, the PowerMaster will NOT be needed (it will be redundant) as the TIU can control DCS/TMCC/Conventional engines ALL under one platform.

What GGG, is asking/warning you about is that in your current setup. you run the risk of burning up modern electronic controlled trains as you don't have an "up to date" circuit breaker setup in PW power sources. It is DEFINITELY good advice to take into account when you get your TIU.

I hope this helps!

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