Decoder question....

ModelRailroadForums.com is a free Model Railroad Discussion Forum and photo gallery. We cover all scales and sizes of model railroads. Whether you're a master model railroader or just getting started, you'll find something of interest here.


I'm considering using DCC on my layout.....The system I'm thinking of using is the Digitrax Zephyr. Can anyone better describe isolating the motor in a non-DCC ready locomotive?....I understand the why, but the how has me a bit puzzled.....Thanks....:)
 

SpaceMouse

Fun Lover
Depends on the situation. The idea is to make sure that neither of the engine poles has any contact with the frame. If the pole is connected the motor cover, you may have to insulate between the motor and the frame. If the motor is held on by metal screws, you may have to change them to nylon.

Just make sure there is no conduit between the motor poles and the track power.
 
....so the motor's only contact is thru the decoder then?....I see....so the motor must be %100 isolated, so that it's only contact electrically is thru the 2 wires on the decoder....This is beginning to make sense....Should the motor be insulated from the chassis too?....as in the case, frame, or can of the motor?....

Thanks..:D
 

SpaceMouse

Fun Lover
Isolation of the motor from the chasis is needed only if the pole uses the motor case for contacting the frame. If the poles are not connected to the motor case, then no isolation is needed. You can (should) test for contiutitiy from both poles to the chasis.
 




Affiliate Disclosure: We may receive a commision from some of the links and ads shown on this website (Learn More Here)


ModelRailroadForums.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com

RailroadBookstore.com - An online railroad bookstore featuring a curated selection of new and used railroad books. Railroad pictorials, railroad history, steam locomotives, passenger trains, modern railroading. Hundreds of titles available, most at discount prices! We also have a video and children's book section.

ModelRailroadBookstore.com - An online model railroad bookstore featuring a curated selection of new and used books. Layout design, track plans, scenery and structure building, wiring, DCC, Tinplate, Toy Trains, Price Guides and more.

Top