Electronic Solutions Ulm/Multifunction Decoders

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ESU Multifunction Decoder Listing

LokSound compared to LokPilot:

The essential difference is that both are almost identical, the difference being the presence of the Sound subsystem. The LokProgrammer and JMRI can determine which type is installed and present the options available. The LokPilot will be missing any CVs related to the sound functions. The firmware will be almost identical, allowing easy consisting and speed matching with other decoders in that family.

LokSound Select

This decoder is obsolete and no longer available.
  • DCC and Analog dual mode decoder
  • Eight functions, 1.1A Motor Drive and six lighting outputs
  • Available with 8 pin, 21MTC, LokSound Select Direct and Micro versions. It features a 32 Mbit memory space
  • Customization of sound files

LokSound V4,0

This decoder is obsolete and no longer available.

Extended Hardware and Software makes it a more flexible decoder than the Select.

Multiprotocol:

LokSound XL and Select L for Large Scale locomotives. LokPilot V1.0 Standard and LokPilot V4.0 DCC

PowerPack Mini

For fourth generation decoders.

LokSound Decoders

For more details, please see the LokSound page. Any additions or corrections should be made on the LokSound page.

  • LokSound Full Throttle
    • All North American sound files are available for LokSound Select and North American v4.0 decoders
  • LokSound Select
    • The latest ESU Decoders
  • LokSound Select Direct
    • Direct replacement for Athearn, Atlas, Bowser/Stewart and Intermountain locomotive light boards
  • LokSound Select Micro
    • Small decoder with 4 function outputs
  • LokSound Select Direct Micro
    • Small decoder suited for N scale narrow hood models, with 6 function outputs
  • LokSound Essential Sound Unit
    • OEM decoder with limited programming, based on the V5 multifunction decoder
  • LokSound L Select / LokSound L V4.0
    • For 0 Scale locomotives
  • LokSound L V4.0
  • LokSound micro V4.0
    • Smaller version, suited to TT and N scale
  • LokSound XL V4.0
    • G and I with DCC, Motorola, Selectrix and M4 modes
  • LokSound V4.0 M4
    • Wired version of the LokSound XL V4.0

LokSound V5

The LokSound V5 multifunction sound decoder has the following features: Modes:

  1. DCC with RailComPlus
  2. M4
  3. Motorola and
  4. Selectrix

The LokSound 5 is designed with the European market in mind. Momentum multiplier (CV 3 and 4) is 0.25. European modellers are more likely to be using some form of automation, requiring much more exact stopping distances or times.

LokSound V5 DCC

LokSound V5 DCC decoders for the North American and Australian markets support DCC only, using a method called V5 DCC. They also support RailCom Plus.

CVs 3 and 4 have a momentum multiplier of 0.896, conforming to NMRA S9.2.2.

Audio

  • Amplifier: 3W, Class D (V5-XL is 13W)
  • 16-bit audio samples, at 31.25kHz
  • 128MBit of memory
  • 10 channels simultaneously

Operation

  • 32-bit processor
  • 32 Functions
  • 50kHz motor controller
  • 1.5A current capacity
  • 3 brake modes
  • Load simulation, two stages
  • SUSI modules and RC servos can be controlled by the decoder
  • Up to 12 function outputs available for special purposes, with a total of 15 outputs. Depends on interface to the locomotive
  • PowerPack ready

Interfaces

Essential Sound Unit

The Essential Sound Unit is an OEM only product. It is no available for retail sale. Any inquiries regarding this decoder should be directed to the manufacturer of the vehicle it is installed in.

The ESU LokProgrammer and JMRI support this decoder.

Performing a Decoder Reset

The only valid way to reset an ESU multifunction decoder is to write a value of 8 to CV8.

This must be done using Service Mode programing on a Program Track. As timing is critical, it cannot be done on the main line using Operations Mode programming.

JMRI provides a Reset Menu, as ESU multifunction decoders do not have a generic default state.

For more information see Decoder Reset.