Digital command control : the

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Chapter 1 ­ Introduction
COMMAND CONTROL, WHAT IS IT?
DIGITAL COMMAND CONTROL, WHY IS IT BEST?
TERMINOLOGY AND CONCEPTS
Cab
Command station
Power stations
Power transformer
Packaging
Decoder
COMPATIBILITY
CONFORMANCE
INTERCHANGEABILTY
Decoders
Power stations
Cabs

Chapter 2 ­ The NMRA DCC Standards and Recommended Practices
OVERVIEW AND HISTORY 18 2.2 THE NMRA DCC WORKING GROUP
THE NMRA CONFORMANCE AND INSPECTION PROGRAM
THE DCC SIG

Chapter 3 ­ DCC Technical Discussion
HOW DOES DCC WORK?
Technology overview
Why use packets
Basics of the standard
Electrical characteristics
Transmitting bits
Locomotives without decoders
The structure of DCC packets
Packet transmission
Bandwidth issues
ADVANCED DCC TECHNICAL CONCEPTS
Decoder basics
Controlling the motor
Speed steps and throttle positions
CUSTOMIZE LOCOMOTIVE OPERATION
Programming
Service mode programming
Operations mode programming
COMMAND SYSTEM ARCHITECTURES
Centralized intelligence
Distributed intelligence
Peer-to-peer
Combination

Chapter 4 ­ Installing DCC On your Layout
4.1 The DCC Architecture
Track Power Bus
Control bus
Cab bus
Feedback Bus
Power Districts
Calculating current needs
Defining power districts
Smaller versus larger power stations
Short cicuit and overload protection
Selecting the correct DCC track voltage
REVERSE LOOPS
PROGRAMMING TRACK
Why is a programming track so important?
Installing a programming track
Combining DCC and DC operations on the same layout
DCC circuit breakers
Other Wiring Considerations
Wiring Turnouts
Common Rail Wiring versus dual gaped Power blocks
POWER SUPPLIES
How-to articles
Surge protection

Chapter 5 ­ Decoder Installation
5.1 LOCOMOTIVES WITH PRE-INSTALLED DECODERS
SELECTING THE RIGHT DECODER FOR YOUR LOCOMOTIVE
Determining the locomotive's current requirements
Slave motor decoders
Using resettable fuses
Determining the locomotives need for features, functions and gizmos
Decoder placement
INSTALLING DECODERS IN LOCOMOTIVES WITH NMRA RP-9.1.1 PLUGS
Small plug
Medium plug
Large Plug
LOCOMOTIVES THAT HAVE REPLACEABLE CIRCUIT CARDS
INSTALLING A DECODER IN A LOCOMOTIVE WITH NO SOCKET
Decoder 9-pin plug/harness
Common DCC installations
Split frames
Locomotives with circuit boards
Locomotives with a grounded motor
Motors with both wires connected to the track
INSTALLING DECODERS IN LOCOMOTIVES WITH AC MOTORS
Universial motor with 2 wire field coils
Universial motor with 3 wire field coils
CHECKING YOUR INSTALLATION
DECODERS INSTALLATION FOR LIFE-LIKE'S GP-9
Prepare the locomotive
Decoder preparation
Install decoder
Test out installation and configure CVs

Chapter 6 ­ Creative Uses For Mobile Decoders
6.1 FUNCTION OUTPUTS
FUNCTION MAPPING
SPECIAL LIGHTING EFFECTS
CONSIST CONTROL
SOUND
Controlling an under-table sound device
Controlling sound devices using decoder functions 71 6.5.3 DCC decoder with built-in sound
ANIMATION
Crane car operation
The N scale crane
Large Scale cranes
PANTAGRAPHS
BRAKES
AUTOMATED COUPLERS
DCC uncoupling
Parts list
Using the uncoupler
THE SWEDISH SNOW PLOW

Chapter 7 ­ Using Accessory Decoders
7.1 ACCESSORY DECODERS
Wiring accessory decoders
CONTROLLING SWITCH MACHINES
CONTROLLING CROSSING GATES
CONTROLLING A TURNTABLE
LAYOUT ANIMATION
LAYOUT FEEDBACK
Occupancy detectors
ROUTING CONTROL
Building a simple interlocking
SIGNAL SYSTEMS
Controlling the signal
Controlling an integrated signal system
Fully integrated DCC signal systems 91
STOPPING LOCOMOTIVES IN FRONT OF A RED SIGNAL
Stop packet generators
Signal controlled speed influence
COMPUTER ASSISTED CONTROL
Augment DCC operations
How can a computer enhance DCC?
Connecting the computer to DCC systems
Hardware and software requirements
Text or graphics
Advanced features

Chapter 8 ­ Commercial NMRA DCC Systems
DIGITAL PLUS BY LENZ GMBH
System description
Style of operation
System architecture
DCC accessories
Summing it up
CHALLENGER, BIG BOY, AND CHIEF BY DIGITRAX INC.
Style of operation
System architecture
DCC accessories
Summing up
SYSTEM ONE BY WANGROW ELECTRONICS
System description
Style of operation
System architecture
DCC accessories
Summing it up
DIGITAL IS COOL! BY ROCO
System description
Style of operation
System architecture
DCC accessories
Summing it up
MASTER SERIES BY NORTH COAST ENGINEERING
System description
Style of operation
System architecture
Summing it up
DIGITAL CONTROL BY ZTC SYSTEMS
Systems description, ZTC-521 entry-level system and ZTC-511 digital master controller
Style of operation 108
System architecture
DCC accessories
Summing it up
MULTI TRAIN CONTROL BY LGB
System description
Style of operation
System architecture
DCC accessories
Summing it up
RAMTRAXX BY RAMFIXX TECHNOLOGIES
System description
Style of operation
System architecture
DCC accessories
Summing it up
COMMAND 2000 BY MRC
System description
Style of operation
System architecture
DCC accessories
Summing it up
MX-SYSTEMS BY ZIMO
System description
Style of operations
System architecture
DCC accessories
Summing it up
EASYDCC BY CVP PRODUCTS
System description
Style of operation
System architecture
DCC accessories
Summing it up
THE FUTURE

Chapter 9 ­ Summary

The authors of this book are members of the National Model Railroad Association's (NMRA) DCC Working Group, and have been involved with DCC since its early days. Ed Loizeaux, a non-technical person, strives to make complex topics easy to understand by the average modeler. Over the years Ed has published several articles presented several clinics for the entry level DCC user. Rutger Friberg is the model railroad editor for Allt om Hobby (the model railroad magazine in Sweden) and prolific DCC author. His expertise is with detailed circuit designs and custom electronic projects that go beyond commercially available products. He has written five books and many articles worldwide about model railroad electronics. Stan Ames spearheaded the creation of the NMRA DCC Standards and Recommended Practices. As original Chairman of the NMRA/DCC Working Group and the past Chairman of the NMRA Conformance & Inspection Committee, he brings a unique perspective to this book. His knowledge of the NMRA DCC Standards, Recommended Practices, and product specifics is hard to beat.