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Can someone tell me if the 104e board is an actual reverse unit?  It looks like it is actually part of another board.   I have a steam engine with a dc can motor that I want to add a reverse unit too with very limited room.  I would like to have reverse and possibly a whistle sound.  The 104e board looks like it would fit,  but I can't find any literature on it,  let alone a pin-out for the connections.

Anyone familiar with this board?  The size and the cost are right.

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104 is a reverse unit, but it’s intended to be used on a mother board, not sure it’d be ideal as a stand alone or not,...it may have to be used in conjunction with a driver....not 100% certain on that....if you’re looking for a simple reverse unit in a small foot print, Dalllee sells some small ones in 4 & 12 amp versions, plus there’s a guy on the bay selling a small foot print reverser that I’ve used, that’s pretty nice,....it’s universal, can used on AC open frames, or DC can motors with the addition of a fairly simple rectifier circuit, that won’t take up much room either.....

Pat

There are two versions of this board, both using the same PCB.  One has the extra parts to be a complete reverse board, the other one is used in upgradeable TMCC stuff and doesn't have the drivers on board.

I have one of the ones that has the drivers, I used to have a couple of the other ones, but I've used them in repairs.

 

The one with the drivers I believe could actually be used stand-alone with a DC motor, but I'm not sure of the wiring.  The drivers on the top do require a heatsink, the one I have has heatsinks that come up and fold over the the top.

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