DN143IP
Fits Con-Cor N-Scale 4-8-4 and
Other Locomotives with
DCC Ready Medium Socket
Features:
n Digitrax LocoMotion
®
System-Your locomotives look like the real thing.
The Digitrax LocoMotion®System makes them run like the real thing, too!
Torque Compensation for smooth as silk silent operation.
128 Speed Step operation (14 or 28 steps can also be used).
Momentum with acceleration and deceleration.
Normal Direction of Travel is user selectable.
Switching Speed feature for easier and faster access to yard speeds.
3 Step Speed Tables set start, mid and max voltage for custom control.
28 Step Speed Tables with 256 level resolution for precise control.
n Scaleable Speed Stabilization (Back EMF) with simple setup & 256 level
resolution.
n SuperSonic™ motor drive for silent operation.
n FX
3
Function outputs for prototypical lighting effects and on/off control:
Constant Brightness Lighting with directional or independent control.
Realistic Effects like Ditch lights, Mars lights, strobes, and many more.
FX3 & Standard Function Qualifiers operate functions based on direction,
F0 on or off, direction and F0, and whether loco is moving.
Function Remapping for custom function setup.
Master Light Switch turns off all lights & functions with one keystroke.
Advanced Consist Function Controls
n Transponder equipped ready for transponding on your layout.
n All Mode Programming with Operations Mode Read Back reads back CV
values right on the mainline.
n Decoder Reset CV with or without speed table reset.
n Motor Isolation Protection prevents damage to your decoder.
n Basic, Advanced & UniVersal Consisting
n 2 Digit and 4 Digit Addressing
n Works with most DCC-ready Z, N, and HO scale locomotives up to 18V
track voltage
n DCC Compatible
n FCC Part 15, Class B RFI compliant
©2010 Digitrax, Inc www.digitrax.com 1
Complete Train Control
Run Your Trains, Not Your Track!
N-Scale
Mobile Decoder
DCC Plug ‘N Play
1.0 Amp/1.5 Amp Peak
©2010 Digitrax, Inc www.digitrax.com 2
Parts List
1 DN143IP Decoder 1 Instruction sheet
Installation Information
See the Digitrax Decoder Manual for complete decoder test procedures, installation instructions, programming and technical information. Digitrax manuals
and instructions are updated periodically. Please visit www.digitrax.com for the
latest versions, technical updates and additional locomotive-specific installation
instructions.
Installation Instructions
1. The installation will be in the tender of the Con-Cor 4-8-4 locomotive.
Carefully remove the tender’s shell from the frame.
2. Remove the factory installed DCC dummy plug. (See photo)
3. Insert the DN143IP medium plug pins in the socket. Pin 1 will be the bottom right socket when viewed. (See photo)
4. Replace the tender shell. It may be necessary to trim the underside of the
tender top to allow it to snap into place.
5. You are now ready to run your locomotive. The DN143IP is factory programmed to address 03. You can easily customize the address and other features. See section “Customizing Your Decoder” that follows.
Complete Train Control
Run Your Trains, Not Your Track!
©2010 Digitrax, Inc www.digitrax.com 3
Installation Notes:
1. Do not exceed the decoder’s 500mA total function output rating.
2. If you plan to use functions F1(tranditionally a green wire) or F2 (traditionally Violet), the return, also called +Common or Lamp Common, should be
made via a wire carefully soldered to the pad indicated as shown in Figure1.
3. To use a function output with an inductive (coil) type load, see the Digitrax
Decoder Manual for more information to avoid damage to the decoder.
4. See the Digitrax Decoder Manual for full details of wiring 12-16V lamps,
1.5V lamps, and LEDs. Lamps that draw more than 80 mA when running
require a 22 ohm 1/4 watt resistor in series with the directional light function lead to protect the decoder.
5. Some locomotives employ filter capacitors for RFI suppression in the locomotive wiring. These may cause problems with Supersonic decoders and
non-decoder analog operation on DCC. This capacitor should be removed
for safe operation.
Customizing Your Decoder
Your Digitrax decoder is ready to run and will operate using address 03 with no
additional programming. For a more prototypical railroading experience, your
decoder can be customized for your specific locomotive by programming some
of the Configuration Variables, or CVs, available. See the Digitrax Decoder
Manual or the Digitrax web site for more information.
Changing the Decoder Address
The first CV most people change is the decoder address. This allows you to
independently control each loco with a unique address. Digitrax decoders are
shipped with CV01 (AD2), the two digit address, set to 03. Following is a brief
description of how to change the decoder address with a Digitrax DT series
throttle. See your Starter Set Manual for complete programming instructions.
1 Place the loco on the programming track. Go into Program Mode on your
system. On DT400 press PROG. On DT300, DT100 & DT200 press
RUN/STOP & FN/F0.
2. Choose AD2 for 2 digit addressing or AD4 for 4 digit addressing (DT300 &
DT400). (Ad for DT100 & DT200, see your Starter Set manual for 4 digit
instructions).
3. Use your throttle to choose the address you want to set up for the decoder.
4. Complete address programming. On DT400 press ENTER. On DT300,
DT100 & DT200 press SEL.
Note: CV29 must also be programmed to enable 4 digit addressing, this is
done automatically by the DT300 & DT400 but not on earlier throttles.
2443 Transmitter RD
T
850-872-9890
Panama City, FL 32404
F
850-872-9557
www.digitrax.com
©2010 Digitrax, Inc www.digitrax.com 4
Digitrax LocoMotion®System
Your locomotives look like the real thing, now you can make them run like the
real thing, too. Digitrax decoders incorporate torque compensation for smooth
as silk operation. You can also program CVs that control momentum, 3 step
and 128 step speed tables, switching speed, normal direction of travel,
scaleable speed stabilization and more to take full advantage of the Digitrax
LocoMotion™ System.
Momentum-CV03 & CV04
Momentum is part of the LocoMotion®System. Acceleration is controlled by
CV03 and deceleration by CV04. Both come from the factory set to 000. A
range of 000 to 031 is available for both accel and decel. We recommend that
you try CV03:003 and CV04:000 as a starting point for experimenting with
momentum.
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 Digitrax 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 recommend the following CV values as a starting point for
experimenting with speed tables.
Complete Train Control
Run Your Trains, Not Your Track!
Loco Type V Start V Mid V Max
CV02 CV06 CV05
Switcher
Concentrated low speed. Limited top 002 038 064
speed
Road Switcher
Prototypical top speed w/evenly 002 048 098
distributed curve from 0 to top speed
Mainline Loco
Quick increase to cruising speed then 002 128 154
levels off to prototypical top speed.
©2010 Digitrax, Inc www.digitrax.com 5
Other LocoMotion®Features: Switching Speed, Normal Direction of
Travel & Scaleable 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. When
switching speed is ON and F6 is ON, the switching speed feature is on. 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
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.
SuperSonic™Silent Operation and Torque Compensation
The factory settings in the decoder provide silent, smooth operation of your
locomotive under most conditions. For more information about these settings,
please see the Digitrax Decoder Manual or our website.
Digitrax Transponding CV61
Digitrax Transponding is controlled by CV61. The initial factory set value is
000 for OFF. To turn ON transponding, program CV61 to a value of 002. This
allows you to use Digitrax transponding to keep track of your rolling stock.
When transponding is enabled, the front light of the locomotive will flicker
slightly to indicate transponding signal is being communicated. For optimal
transponding operation, we recommend that you hook up the forward and rear
lights as shown in the wiring diagram (Figure 1).
Decoder Reset CV08
Decoder reset lets you reset all CV values to the initial factory settings. To
reset all CV values, program CV08 to a value of 008. You also have the option
of resetting all values except the 28 speed step tables. To do this, program
CV08 to a value of 009.
2443 Transmitter RD
T
850-872-9890
Panama City, FL 32404
F
850-872-9557
www.digitrax.com
©2010 Digitrax, Inc www.digitrax.com 6
Function Outputs on the DN143IP
The DN143IP is set up at the factory to control four function outputs. The
DN143IP is configured to control the forward and reverse lights on the locomotive through the plug using Function 0 (F0F-forward and F0R-reverse) for
directional lighting. Function F1(Green) and F2 (Violet) outputs are available
in the pad positions shown in figure 1. The wire colors indicated are the standard color code used in the industry. These colors are important if you plan to
use function remapping.
All four function outputs can be easily set up with Digitrax FX
3
lighting effects
or as standard on/off functions with the following operational qualifiers:
1. Forward or Reverse direction of travel, or
2. Whether F0 is on or off, or
3. Both direction of travel and whether F0 is on or off, or
4. Whether the locomotive is stopped or moving.
Programming Ditch Lights
To program your decoder for alternating ditch lights use the following CVs:
CV51 = 106, CV52 = 107, CV63 = 64. The ditch lights are wired to the F1 and
F2 outputs for this.
Function Remapping
Function remapping allows you to program the function outputs of your
decoder to be controlled by selected function keys on your throttle. Please
consult the Digitrax Decoder Manual or website for information on function
remapping.
Master Light Switch
Each of the four function outputs can be programmed to turn on and off with
the F0 ON/OFF key on your throttle, creating a Master Light Switch. The CV
values for creating this effect are listed in the Digitrax Decoder Manual in the
section: Setting Up FX & FX
3
Effects on Function Outputs.
Complete Train Control
Run Your Trains, Not Your Track!
Warranty & Repair
Digitrax gives a one year “No Worries" Warranty against manufacturing
defects and accidental customer damage on all Digitrax products.
That's it! A simple, straightforward warranty with no tricky language!
Visit www.digitrax.com
for complete warranty details and instructions for
returning items for repair.
Damaged decoders should be returned directly to Digitrax for repair.
Caution: To prevent damage to your decoder and locomotive, track voltage
used during operation must not exceed the operating parameters of the
locomotive and its lighting system in which the decoder is installed (typically this is 12V DC). For most N scale layouts, Digitrax recommends using
14 volts DCC or less for operation to avoid damage to the locomotive shell,
lamps and decoder.
Digitrax, Inc. is not responsible for unintentional
errors or omissions in this document.
2443 Transmitter RD
T
850-872-9890
Panama City, FL 32404
F
850-872-9557
www.digitrax.com
©2010 Digitrax, Inc www.digitrax.com 7
Made in U.S.A.
307-DN143IP-0000
DN143IP
Fits a Variety of Z, N and HO Scale Locomotives
Available
Computer InterfaceComputer Interface
Decoder ProgrammerDecoder Programmer
Sound ProgrammerSound Programmer
TM
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MPIREMPIRE
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UILDERUILDER
Super
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2443 Transmitter Road
Panama City, FL 32404
www.digitrax.com
T 850-872-9890
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