I recently bought the Atlas # 305 turntable and am more than a little confused over the wiring. According to the instructions, one wires the "A" positions with the same polarity as the lead-in track and the "B" positions in reverse polarity. The turntable apparently reverses the polarity of the bridge to match the "B" tracks when needed. According to the MR Forum: a Walthers turntable needs no reversing circuit to work in DCC. Is this also true with the Atlas unit? I have asked the same question to Atlas; but doubt I will get an answer.
This seems to be a nice unit - abeit non-prototypical. The layout I have is of the fold-up type and I cannot have a turntable that goes below the layout surface. Hopefully someone will have an answer to my question (before I "smoke" my DCC unit...just kidding). Thanks, in advance, for the help...I don't know what I would do without the Forum!
"Keeping my hand on the throttle...and my eyes on rail."
The Atlas turntable handles DCC automatically. As long as you follow the A/B guidelines, you will have no problems. The tracks line up perfectly every time, and the whole thing is pretty bulletproof. The motor unit is easy to install and also works well, and the Atlas roundhouse kit also mates perfectly with this turntable.
I had the luxury of being able to "get down" with my turntable, so I took an Atlas and "pit-bashed" it into a pit turntable:
http://www.trains.com/trccs/forums/1162765/ShowPost.aspx
It takes an iron man to play with a toy iron horse.
Hi "Beas",
Thanks for getting back to me. I never thought about "pit-bashing" an Atlas turntable...what a great idea! Should the time ever come that I can leave my layout down, I just might follow suit and "pit-bash" my unit. I don't know why Atlas and Walthers don't include instructions for the "DCC set" in the hobby. Again, thanks and keep 'em rolling!
CNE Runner wrote:...This seems to be a nice unit - abeit non-prototypical...