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3 replies

Run TMCC and DCS at the same time?

L Loochy88OGR Forum Member

I've read elsewhere that TMCC and DCS PS2/PS3 on the same track should be possible.  I'm using a DCS Commander (not the remote commander / not a TIU), hooked up as normal, positive to the center rail, in DCS mode.  My DCS engines all operate normally.  I also have a TMCC command base powered up and hooked up to the outer rail.  If I place a TMCC engine on the track, it receives power and lights, but will not operate.  It seems to receive no commands from the command base.

Normally when I run my TMCC engines, I run power from a ZW through a TrainMaster PowerMaster and have a Command base hooked up to the outer rail.  In this case the TMCC engines work fine.

Why is it that when I supply the track with DC power through the DCS Commander I can't get the TMCC engines to respond, but they work fine off the Lionel power setup?

Is there anyone out there who has done mixed TMCC / DCS running with this equipment?  Any way to do it without buying a TIU?

Last edited by Loochy88
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VB Vernon BarryOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER
@Loochy88 posted:

Ah, makes sense!  I assume MTH PS2/PS3 can run DCS on either AC or DC then?  And the TIU outputs AC?

The TIU on specifically the fixed channels passes whatever you put into the input of that channel. The fixed and variable channels are named for their function of what they can do to the power from input to output. Fixed channels cannot vary the power- what you put in is what you get out. Variable channels on the TIU can vary AC power (a limitation of the TIU design all versions- where the new WTIU can now vary DC on the variable channel).

As such, most people per the instruction manual and diagrams use fixed channel 1, which can pass AC or DC and whatever you put in- is what you get out.

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