Digitrax Decoder Index

 

DN121 PS

 

DN121 Decoder

 

DN121PS Instructions        Digitrax Decoder Manual

 

Physical Size

0.36” x 1.0” x 0.18”

9.14mm x 25.4mm x 4.57mm

Current Rating

1.0/1.5 Amps

 

 

Interface

Decoder End

Wires

End/Plug

 

 

DN121

Wired

1.2”

30mm

DCC Medium

 

 

 

 

 

 

 

 

# Functions

2

Function Current Rating

125mA

Function Type

STD

Prod Date

02-13-2001

Discontinued

12-2003

Replaced By

DZ123PS

 

 

 

 

 

CV#

Feature

Default

Range

Notes

2 Digit and 4 Digit Addressing

 

 

 

 

01

2 Digit Decoder Address

003/X03

001-127

 

17

4 Digit Address Hi Byte

000/X00

0128-9983

 

18

4 Digit Address Lo Byte

000/X00

00

 

29

Configuration Register

006/x06

Table 29

 

Configuration Register

 

 

 

 

29

Configuration Register

006/X06

Table 29

 

 

Address Selection, 2 or 4 digit

2 Digit

2 Digit or 4 Digit

 

 

Normal Direction of Travel (NDOT)

Forward

Forward or Rev Table 29

 

 

Speed Step Control

28/128

14 or 28/128

 

 

Speed Table On/Off

Off

Speed Table On or Off

 

 

Analog Mode Conversion On/Off

On

 

 

LocoMotionTM

 

 

 

 

Acceleration & Deceleration

 

 

 

 

03

Acceleration Rate

000/X00

000/x00 to 031/x1F

 

04

Deceleration Rate

000/X00

000/x00 to 031/x1F

 

Three Step Speed Table & Start Voltage available with 128 speed steps

 

02

Start Voltage

000/X00

000/x00 to 255/xFF

 

05

Maximum Voltage

000/X00

000/x00 to 255/xFF

 

000/x00, 001/x01 & 255/xFF= max voltage at step 28

06

Mid Point Voltage 

000/X00

000/x00 to 255/xFF

 

000/x00 & 001/x01= straight line curve

28 Step Speed Tables 128 speed step resolution

 

 

 

 

65

Kick Start value

 

 

Not Available

66

Forward Trim

 

 

Not Available

67

First Speed Table Entry

 

 

Not Available

68-93

28 Step Speed Table Entries

 

 

Not Available

94

Maximum Speed Table Step

 

 

Not Available

95

Reverse Trim

 

 

Not Available

29

Configuration Register

006/x06

 

 

Torque Compensation & Switching Speed

 

 

 

 

53

Not Used

 

 

Not Available

54

Torque Compensation

Switching Speed

 

 

Not Available

Functions

 

 

 

 

13

DC Functions ON

 

 

Not Available

Configurable Strobes

 

 

 

 

49

F0F,forward light effect

 

 

Not Available

50

F0R, reverse light effect

 

 

Not Available

61

Enable Configurable Strobe

 

 

Not Available

Standard, FX & FX3 Functions

 

 

 

 

49

F0F, forward light effect white

 

 

Not Available

50

F0R, reverse light effect yellow

 

 

Not Available

51

F1, Function 1 green

 

 

Not Available

52

F2, Function 2 violet

 

 

Not Available

53

F3, Function 3 brown

 

 

Not Available

54

F4, function 4 white/yellow

 

 

Not Available

115

F5, Function F5 white/green

 

 

Not Available

116

F6, Function F6 white/blue

 

 

Not Available

62

FX Rate and Keep alive adjust

 

 

Not Available

63

Ditch Light Blink hold time

 

 

Not Available

Directional Headlights, Transponding, Split Field Motor

 

 

 

 

61

Directional Headlight

Directional

Table 61

 

 

Transponding

 

 

Not Available

 

Split Field Motor

 

 

Not Available

Scaleable Speed Stabilization

 

 

 

 

55

Static Compensation

 

 

Not Available

56

Dynamic Compensation

 

 

Not Available

57