Everything on model trains, model railroads, model railways, locomotives, model train layouts, scenery, wiring, DCC and more. Enjoy the world's best hobby... model railroading!
Everything on model trains, model railroads, model railways, locomotives, model train layouts, scenery, wiring, DCC and more. Enjoy the world's best hobby... model railroading!
CV 2 sets the starting voltage for the decoder. Generally a low number. It also determines the start of the speed curve. That is useful when you are trying to speed match 2 or more locos.
CV 5 is the maximum voltage the decoder will supply to the motor. (FYI it isn’t actual volts but pulses but for the sake of this I will call it voltage). It is the value that sets the maximum speed of the loco and must be greater than CV6. When you plot C Vs 2, 6, and 5 on a graph of speed step as the X axis and motor power as the Y axis the resulting line (curve) is your speed curve.
CV2 determines when the motor starts to turn. CV 6 determines what speed the loco will move at at mid throttle. CV 5 determines loco speed at maximum throttle.
First of all, thanks for your timely response. One other question. My MCR Prodigy Advanced 2 asks for a SV and then later on asks for CV2. Are they the same? Sorry to bother you, but would appreciate clarification. Thanks in advance. Clif