Wickness Models, 6 Greenlea Crescent, Collin, DG1 4PR    douglas@wicknessmodels.co.uk

ESU 54685 Lokpilot 6 Pin DCC Decoder


ESU Lokpilot 54685

Top of the range Micro decoder

Dimensions: 10.5mm x 8.1mm x 2.8mm


Out of stock

SKU: 54685 Category: Tag:


ESU Lokpilot 54685, the ESU 54685

Highest quality tiny direct plug in decoder from ESU, unlike rival decoders this one is supplied with common positive wire if required rather than a solder tab requiring soldering to the decoder, if you dont need it you can simply remove it

English Manual

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Operation modes: NMRA/DCC with 14, 28 and 128 speed steps, prepared for DCC RailComPlus® communication.

DCC 2-digit and 4-digit addresses (long and short)
Analog DC (de-selectable)
Automatic recognition of operational mode and DCC speed step selection.
Supports Lenz® LG100, Lenz® ABC brake mode and Roco® braking sections
Wrong-direction bit / stores operational status
Switching speed and acceleration as well as deceleration key selectable
Throttle: 0.75 A continuous load
Runs DC and coreless motors
Silent, safe 20 / 40 kHz pulse width frequency motor regulation
Motor terminal overload protected. Fifth generation load back EMF (de-selectable).
Function outputs: 2 outputs; 150mA load per output
approx. 280mA total load of all function outputs. Outputs short circuit protected
2 logic outputs; Connection for »PowerPack«
Free function allocation (function mapping)
Dimensions: 10.5mm x 8.1mm x 2.8mm (Next18: 15.0mm x 9.5mm x 2.8mm)

The LokPilot micro V4.0 DCC is a genuine power house. It drives the loco motor with a continuous load capability of 0.75A and has significantly shrunk compared to its forerunner: the smallest member of the LokPilot V4.0 family has now a size of only 10.5mm x 8.1mm x 2.8mm and should thus fit in the smallest N-/TT-gauge locos.

LokPilot micro V4.0 DCC decoders are available in all common plug and interface versions such as 6-pin NEM651 (with or without cable harness), 8-pin NEM652 or the brand-new wirless Next18 interface version.

Operational modes

The LokPilot micro V4.0 DCC commands DCC through 14, 28 and 128 speed steps or can be used on analogue DC layouts. You can either use 2- or 3-digit (1 – 127) as well as 4-digit (1–9999) addresses or assign a consist address.

It supports all common DCC brake systems such as Lenz® LG 100 as well as the new Lenz® ABC brake modules with asymmetrical DCC signals, or the braking in DC braking sections with reversed polarity.

Of course, our top-class decoder is able to calculate a constant braking distance to stop your locos correctly in front of the red signal regardless of the speed.

The LokPilot V4.0 converts during operation fully automatically between all control modes.

Motor management

From a LokPilot decoder, you rightly expect an excellent motor management. With the LokPilot micro V4.0 DCC, ESU introduces the once more improved fifth generation of load control.

The standard frequency is adjusted adaptively to the speed with a basic frequency of 40 kHz. The result is an even better slow driving performance. Your locos will crawl super slowly – thanks to the 10 Bit A/D convertor.

With Dynamic Drive Control (DDC) you can limit the influence of back EMF and glide smoothly around the depot area and over turnouts; while on the main, when going uphill, the engine slows down prototypically.

The load control is well-prepared for all customary motor types, such as ROCO®, Fleischmann®, Brawa®, Mehano®, Bemo®, Märklin®, Faulhaber® or Maxon® motors. 0.75A steady load is more than the above-mentioned motos need and offers enough energy reserves, even for longer block trains.

Analogue operation

The LokPilot micro 4.0 DCC decoder can be used for analogue DC locomotives. The motor control function is teaching the motor »good manners«.


The LokPilot mirco V4.0 DCC decoder has 2 function outputs which achieve 150 mA load each. They can be allocated individually to different functions. There are two further unamplified outputs which can be also used for both light or special functions.

All important light functions as available, such as flashing light, firebox flicker, strobe – and double strobe, Ditch Light etc. The brightness of each output can be adjusted separatly. Of course, the decoder is able to control the automatic decoupling move and push time and also offers a high beam function as a new feature. The „LED mode” ensures that the light effects are set correctly when using LEDs.

Safe operation

If desired it is possible to connect a PowerPack (ESU 54670, see page 62) to the LokPilot micro V4.0 DCC. This energy storage continues to supply the decoder with energy if the power consumption is not isn‘t optimal due to dirty tracks.


With RailComPlus® your locos will be recognised automatically by an appropriate digital command station fast as lightning and will receive a new address. Forget about the cumbersome typing and programming!


Of course, all function outputs and the motor connection are overload and short-circuit protected.

Built-in future

LokPilot decoders are firmware updatable. This means you are able to replace the internal decoder software by a newer version, if needed. You only need an ESU LokProgrammer to do so

Additional information

Weight 50 g



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