Digitrax DN166I1D Manuel - Page 5

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Speed Tables-How the Loco Responds to the Throttle

With Digitrax LocoMotion, there are two types of speed tables: 3 Step Tables and

High Resolution 28 Step Tables. Please see your Decoder Manual for a discussion

of the 28 Step Tables. The 3 Step Tables are set up by programming 3 CVs: Start

Voltage (CV02), Mid point Voltage (CV06) and Max Voltage (CV05). These values

are set at 000 at the factory. All have a range of values from 000 to 255. We rec-

ommend the following CV values as a starting point for experimenting with speed

tables.

Loco Type

Switcher

Concentrated low speed. Limited top

speed

Road Switcher

Prototypical top speed w/evenly

distributed curve from 0 to top speed

Mainline Loco

Quick increase to cruising speed then

levels off to prototypical top speed.

Other LocoMotion

Direction of Travel & Scalable Speed Stabilization

(Back EMF) Features

Switching speed is controlled by CV54. The factory setting is 000 for OFF. To

turn on the switching speed feature, program CV54 to a value of 001. When this

feature is on, use F6 to activate and deactivate switching speed. With the feature

on the throttle's target speed is effectively reduced by about 50% and the effects

of accel and decel programmed into the decoder are reduced by 1/4. This is useful

for yard switching operations.

Normal Direction of Travel is controlled by CV29. See your decoder manual

or the Digitrax Toolbox App for additional information on the settings for CV29.

The intensity, or droop, of Scaleable Speed Stabilization (Back EMF) is

controlled by CV57. The factory setting for this feature is 006 which is suitable for

most locos. You can adjust this value in the range of 000 for OFF to 015 for the

maximum effect. Consult your Digitrax Decoder Manual for info about CVs 55 &

56 and their effects on scaleable speed stabilization.

Features: Switching Speed, Normal

— 5 —

V Start

V Mid

CV02

CV06

002

038

002

048

002

128

www.digitrax.com

V Max

CV05

064

098

154