JMRI LccPro Installation Guide 

Table of contents
  1. JMRI LccPro Installation Guide
    1. Introduction
    2. JMRI LCC Tools: lcctool vs LccPro™
    3. Workflow Recommendation
    4. Main Features
    5. Installing LccPro™
      1. Steps to Obtain and Install
      2. Notes

Introduction

JMRI LccPro

LccPro™ is JMRI’s all-in-one application for working with LCC (Layout Command Control) nodes. It combines node discovery, CDI configuration, firmware upgrades, and event monitoring into a single modern interface. Introduced in JMRI 5.11 and officially released in JMRI 5.12, LccPro streamlines setup and troubleshooting by replacing the older lcctool with a more powerful, user-friendly front end.

JMRI LCC Tools: lcctool vs LccPro™

Feature ⚙️ lcctool (Classic) 🚀 LccPro™ (New)
Purpose Original LCC Configuration utility Modern LCC front-end with integrated workflow
Node Discovery Lists Nodes and allows CDI access Table view with search, grouping, filters, and detail panels
CDI Editing Full CDI read/write (basic UI) Integrated CDI editor with STL (Signal/Logic Table) access
Firmware Upgrade Not built-in One-click Upgrade button per Node row
Event Monitoring Separate tool needed Event Table & Traffic Monitor accessible from toolbar
User Interface Simple forms, limited navigation Modern GUI: searchable, filterable, detachable toolbars
Node Grouping Not supported Organize nodes into Node Groups for easier management
Status Display Minimal Status bar with connection info and live traffic indicator
Availability Long-time JMRI standard (all versions) New in JMRI 5.11 (test) and 5.12 (production, June 2025)
Best Use Quick CDI edits, lightweight setups Full layout management, ongoing monitoring, upgrades

Workflow Recommendation

  • Use lcctool if you only need quick CDI configuration or run on older JMRI versions.
  • Use LccPro™ for modern layouts: it combines configuration, monitoring, and firmware management into one streamlined app.

Main Features

  • Node Overview Table The primary view in LccPro presents all detected LCC nodes in a table. Each row lists a node and includes actionable buttons—Configure to edit node parameters (CDI), and Upgrade for firmware updates—if supported jmri.org.
  • Detail Panels & Search Selecting a node reveals detailed information below: supported LCC protocols, node metadata, and more. You can filter and navigate nodes using a dynamic search field (case‑insensitive, incremental matching) jmri.orgYouTube+4jmri.org+4jmri.org+4.
  • Grouping & Filtering Since version 5.11.2, nodes can be organized into Node Groups via a context (right-click) menu, and easily filtered in both the node table and the Event Table interface jmri.org+1.
  • Quick Access to Related Tools LccPro features a detachable toolbar that launches other essential LCC tools:
    • Event Table, showing incoming events with connection details
    • LCC Traffic Monitor, for live bus message tracking
    • STL Editor, for advanced CDI logic and configuration editing It also includes Refresh and Help buttons for usability jmri.org+10jmri.org+10webserver.jmri.org+10.
  • Status & UI Controls A bottom status bar indicates the active connection and whether there is ongoing CAN/LCC traffic. Panel display can be dynamically adjusted using sliders and disclosure triangles jmri.org.

Installing LccPro™

LccPro™ is distributed as part of JMRI 5.11 (test releases) and is officially included in JMRI 5.12 (production release, June 2025). It is not a separate download — installing the correct version of JMRI automatically includes LccPro.

Steps to Obtain and Install

  1. Download JMRI
    • Visit the official JMRI download page: https://www.jmri.org/download/
    • Choose the latest Production Release (≥ 5.12), or a Test Release (≥ 5.11.1) if you want the newest features sooner.
  2. Install JMRI
    • Run the installer for your operating system:
      • Windows: Download the .exe installer and follow the setup wizard.
      • macOS: Download the .dmg file and drag the JMRI folder into Applications.
      • Linux: Extract the .tgz archive and run from the unpacked folder.
  3. Launch LccPro
    • Inside the installed JMRI folder, open the apps directory.
    • Run LccPro (or LccPro.exe on Windows, LccPro.app on macOS).
    • Alternatively, on Windows/macOS, use the JMRI Launcher:
      • Open the Launcher
      • Select LccPro from the list of available applications
  4. Connect to Your Layout
    • Plug in your CANable USB ↔ CAN adapter.
    • In LccPro, select the connection type (usually CAN via CANable/SLCan) from the Connections Preferences.
    • Press Start to connect to the CAN network and begin discovering/configuring nodes.

Notes

  • ✅ LccPro requires no extra installation beyond JMRI itself.
  • ⚠️ If you are running JMRI 5.10 or earlier, you will not see LccPro — upgrade to at least 5.11.1.
  • 🖥️ JMRI works across Windows, macOS, and Linux, and project files can be shared between systems.
Last updated on: December 17, 2025 © 2025 Pat Fleming