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Locomotive decoder LE063XF
The LE063XF DCC decoder is designed to fit a number of Atlas N scale
locomotives, including the B23-7, B30-7, B36-7, C628, C630, Dash 8-
32BW, Dash 8-40B, Dash 8-40BW, GP-38, DCC-ready GP-40, GP-40-2,
DCC-ready SD-7, DCC-ready SD-9, SD-35, Train Master, and U25B
locomotives. The characteristics of this decoder are:
Provides 0.5 amperes continuous motor current.
Provides two on/off function outputs that can be configured either for
directional lighting or for full Rule 17 lighting.
Provides control of headlight dimming (by setting a CV).
Supports both short (2-digit) and long (4-digit) addressing
Supports advanced consist control (lashing up locomotives that have
different DCC addresses)
Operates on conventional DC layouts; this feature may be disabled by
setting a CV.
Provides full support for all forms of programming that are described in
NMRA RP-9.2.3.
Supports both short form instructions and long form instructions in
operations mode programming (programming on the main line)
Can be set for operation with 14/27 speed-steps, 28/55 speed-steps, or 128
speed-steps with direct drive.
Has a rich set of properties, which can be set by the user to customize the
decoder to a particular locomotive.
LE063XF DCC Decoder for
Atlas N Scale Locomotives
Item # 447199 & 447299
Revised 12/29/04/2004
1
Atlas Model Railroad Co., Inc.

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Summary of Contents for Atlas LE063XF

  • Page 1 Locomotive decoder LE063XF The LE063XF DCC decoder is designed to fit a number of Atlas N scale locomotives, including the B23-7, B30-7, B36-7, C628, C630, Dash 8- 32BW, Dash 8-40B, Dash 8-40BW, GP-38, DCC-ready GP-40, GP-40-2, DCC-ready SD-7, DCC-ready SD-9, SD-35, Train Master, and U25B locomotives.
  • Page 2 NMRA Standards and Recommended Practices and has been augmented to work well with all major DCC systems on the market. Although the LE063XF decoder has a low price, it is packed with all the features that you expect in a high-end decoder: •...
  • Page 3 Locomotive decoder LE063XF under conventional DC will also run exceptionally well under DCC. The LE063XF decoder is quite small and will fit into the B23-7, B30-7, B36-7, Dash 8-40B, GP-38, DCC-ready GP-40, GP-40-2, DCC-ready SD-7, DCC-ready SD-9, SD-35, Train Master, and U25B locomotives.
  • Page 4 In the photograph of the bottom of the LE063XF decoder on the first page, these motor contact pads are the two rectangles in the narrow center portion of the circuit board.
  • Page 5 If this test is successful, the locomotive is ready to use. Programming the LE063XF Decoder The LE063XF decoder supports all forms of both service mode (programming on an isolated programming track) and operations mode programming (programming on the main line).
  • Page 6 Locomotive decoder LE063XF Configuration Variables and their Definitions The LE063XF decoder supports a full range of features, which are activated by setting Configuration Variables. All CVs are numbered. These numbers are used during programming and are identical for all decoders that conform to NMRA standards, regardless of the decoder manufacturer.
  • Page 7 Long Address, Low Byte Advanced Consist Address 0-255 The Advanced Consist address, if used, is stored in CV19. (In Atlas Commanders the allowable range is 1-99.) 0-255 Acceleration Trim This CV contains additional acceleration rate information that will be added to (or subtracted from) the base value contained in CV3.
  • Page 8 Bit 1 0 = CV23 and CV24 are not active 1 = CV23 & CV24 are active and contain acceleration and deceleration trim values that are added to (or subtracted from) CV3 and CV4, respectively. Atlas Model Railroad Co., Inc.
  • Page 9 CV51.3=0: If CV51.0=0 (Dimming and directional headlights both active), function F1 dims rear headlight. CV51.3=1: If CV51.0=1 (Dimming and Rule 17 both active), function F4 dims rear headlight. Bits Not used Atlas Model Railroad Co., Inc.
  • Page 10 ** In the Default Value field, the numbers shown in parenthesis () are the decimal values that must be written into a CV for the specified bit of that CV to have the binary value “1”. Atlas Model Railroad Co., Inc.
  • Page 11 CV. To program a DCC decoder using a DCC system that allows only the writing of decimal values into CVs (such as the Atlas Master Commander), it is first necessary to convert the values of all the individual bits of that CV that are to be set to the binary value 1 into their equivalent decimal values.
  • Page 12 "2" for bit 1 and the number "4" for bit 2. Then add up all the non-zero numbers that you have entered into this rightmost column. Since the sum of these numbers is 6, the decimal number to be programmed into CV29 is 6. SUM: Atlas Model Railroad Co., Inc.
  • Page 13 (2) Have model locomotives perform more prototypically. In this example of creating a customized speed curve, we will assume that the LE063XF decoder has been properly installed and tested. We also assume that you are familiar with the general process of programming CVs using your DCC system.
  • Page 14 (defaults shown) In order to calculate the correct speed-step value for the 128 speed-step mode, the LE063XF decoder will internally average the values for 28 speed steps that were specified in (CVs 67 to 94). Atlas Model Railroad Co., Inc.
  • Page 15 Either set the DCC system to 14/27 speed steps or speed is increased or change the decoder speed step setting to 28/128 speed steps. decreased; the (CV29.1 = 1). locomotive headlights go on and off as the locomotive speed changes. Atlas Model Railroad Co., Inc.
  • Page 16: For Technical Assistance

    Please save this manual for future reference. Lenz GmbH manufactures the LE063XF decoder for Atlas Model Railroad Co., Inc. 2004 Atlas Model Railroad Co, Inc; All Rights Reserved. Atlas Model Railroad Co., Inc.

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