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Locomotive decoder LE1024
The DIGITAL plus locomotive decoder LE1024 is suitable for all DC motors in
HO scale locomotives with continuous current draw of 1.0 Amp. or less. The
characteristics of the decoder are:
Super smooth 12 bit resolution back-emf motor control. The LE1024
automatically adjusts the motor voltage to keep the motor's rotation speed
nearly constant, which provides extremely smooth slow movement. This
creates the illusion that there is actually 100 tons moving.
Selectable for operation with 14/27, 28/55 or 128/256 speed steps.
Operation on conventional DC layouts is possible or can be disabled.
Provides 1A continuous motor current.
Four on/off function outputs with a current rating of 150 mA each.
Special ligiting effects including directional, independent, dimming, Mars light,
Gyro light, single Strobe, double Strobe, adjustable blinking and ditchlights
Support for Advanced Consist Control and Extended Addressing
Support for programming on the mainline
Support for all form of programming as described in NMRA RP-9.2.3
Programmable locomotive address, acceleration and brake momentum,
speed curve and much more.
Size: L 1.24" x W 0.64"x H 0.14" L 31.5mm x W 16 mm x H 3.6mm
LE1024W and LE1024MP
Back EMF DCC Decoder
Art. No. 10132
August 2001
1
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Summary of Contents for Lenz Elektronik Digital plus LE1024
- Page 1 Locomotive decoder LE1024 The DIGITAL plus locomotive decoder LE1024 is suitable for all DC motors in HO scale locomotives with continuous current draw of 1.0 Amp. or less. The characteristics of the decoder are: Super smooth 12 bit resolution back-emf motor control. The LE1024 automatically adjusts the motor voltage to keep the motor’s rotation speed nearly constant, which provides extremely smooth slow movement.
- Page 2 Locomotive decoder LE1024 The features of the LE1024 Decoder The LE1024 has been revised and is packed with features you expect in a high-end decoder. Advanced consist control, extended addressing, outstanding 28 step motor control, and 4 function outputs (two for directional headlight control) are but a few examples.
- Page 3 Locomotive decoder LE1024 Back EMF Control The LE1024 uses a form of motor control called "back emf" control. All DC motors produce a small amount of current when they are rotating. The amount of current produced is a function of the load that the motor is controlling.
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Page 4: Wiring Options
Locomotive decoder LE1024 resistance between the motor and all the wheels. Take special note that metal contact might occur only when the loco body is reinstalled. DO NOT WRAP decoder with electrical tape or shrink wrap! Doing so will impede air circulation and degrade the performance of the decoder. - Page 5 Locomotive decoder LE1024 Step by Step Installation If the locomotive has a NMRA 8 pin socket and the decoder has a 8 pin NMRA medium plug simply remove the dummy plug and plug in the decoder. The following instructions apply if you need to install the wired version.
- Page 6 Locomotive decoder LE1024 Programming the locomotive decoder LE1024 The LE1024 supports all NMRA DCC programming modes and can be programmed by any NMRA DCC programmer. With some entry level systems only a few CVs (such as CV #1, the locomotive address) can be set unless you use a separate programmer.
- Page 7 Locomotive decoder LE1024 R Description Range Setting 1-31 Brake Momentum: Determines the rate of change of speed upon braking. A higher value leads to longer brake distance. 1-10 Maximum speed Determines the maximum speed that the locomotive will move. This allows you to operate your locomotives in a prototypical speed range.
- Page 8 Locomotive decoder LE1024 Description Range Setting bit 1 Headlight mode: 0 = Operation with 14 or 27 speed step systems. This setting is selected when the locomotive decoder is used with any Digital system that does not support 28 speed step mode. If the headlights turn on and off as the speed is increased, the command station is configured for 28 speed step mode, and the decoder is in 14 speed step mode.
- Page 9 Locomotive decoder LE1024 Description Range Setting 0-255 Lighting Special Effects for Outputs A bit 0 0 = the headlights (A&B) are directional. 1 = the lights (A&B) are independent per Rule 17. F0 controls the front headlight and F1 the rear headlight or a separate function.
- Page 10 Locomotive decoder LE1024 Description Range Setting Function assignment for Output D (Cont) bit 4 (5) 1 = Output D is controlled By F5 0 [16] bit 5 (6) 1 = Output D is controlled By F6 0 [32] bit 6 (7) 1 = Output D is controlled By F7 0 [64] bit 7 (8)
- Page 11 Locomotive decoder LE1024 Creating a Speed Curve One common feature is to set a specific operating speed curve for your locomotives. This is usually done to have dissimilar locomotives have the same performance characteristics or to have the locomotives perform more prototypically. Start by writing down how you want to assign the internal speed settings to the speed steps, for example by making up a table as shown below.
- Page 12 Locomotive decoder LE1024 North American Warranty Lenz GmbH does everything it can do to ensure that its products are free from defects and will operate for the life of your model railroad equipment. From time to time even the best engineered products fail either due to a faulty part or from accidental mistakes in installation.
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