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MAE99-04
MAE99-04
MAE99-04

ALSTOM LC110-M2 Excitation Limits Module

  • Model: LC110-M2
  • Brand: ALSTOM / Converteam
  • Series: C10/120-M2 Excitation Control System
  • Core Function: Excitation fault monitoring
  • Product Type: Control Module Card / PLC Module Rack
  • Key Specs: Excitation fault detector, excitation limits module, C10/120-M2 compatible
  • ⚠️ Obsolete Model – Limited Stock Available
  • Condition: New Original / New Surplus / Refurbished (tested) options available
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Description

3. Key Technical Specifications

  • Part Number: LC110-M2
  • Manufacturer: ALSTOM / Converteam
  • Product Category: PLC Module / Machine Control Module
  • Module Function: Excitation fault detector and excitation limits monitoring
  • Compatible System: C10/120-M2 control platform
  • Application: Industrial excitation and motor/generator control systems
  • Module Type: Control circuit board assembly
  • Weight: Approx. 3.53 lb (1.6 kg)
  • Installation: Industrial control cabinet / rack mounting
  • Status: Discontinued by manufacturer
  • Replacement Availability: Surplus and refurbished supply channels

 

4. Product Introduction

The ALSTOM LC110-M2 is an excitation control module used in ALSTOM/Converteam C10/120-M2 systems. It performs excitation fault detection and excitation limit monitoring functions within legacy industrial control installations.

This module is commonly maintained as a spare for existing generator, motor drive, and excitation control equipment. Before replacement, verify rack position, connector layout, firmware/configuration requirements, and the installed C10/120-M2 system documentation.

MAE99-04
LC110-M2

 

5. Installation & Configuration Guide

Stage 1: Pre-Installation Preparation (Approx. 10 minutes)

⚠️ Safety First

  1. Notify operations about planned shutdown time.
  2. Place the driven equipment into a safe state.
  3. Apply lockout/tagout procedures.
  4. Remove cabinet power.
  5. Wait at least 5 minutes for stored energy discharge.
  6. Confirm zero voltage before handling the module.

Tools Required

  • ESD wrist strap
  • PH1 screwdriver
  • Digital multimeter
  • Wire labels
  • Smartphone for reference photos

Data Backup

  1. Record the existing LC110-M2 rack position.
  2. Photograph module orientation and connectors.
  3. Document:
    • Terminal wiring
    • Rack address settings
    • Adjacent module positions
    • Alarm configuration

Stage 2: Removing the Old Module (Approx. 10 minutes)

  1. Open the control cabinet.
  2. Identify the installed LC110-M2 module.
  3. Label all connectors before removal.
  4. Release rack locking mechanism.
  5. Pull the module straight out.

⚠️ Note: Keep the removed LC110-M2 available until the replacement passes functional checks.

Inspect:

  • Backplane connector pins
  • Rack contacts
  • Dust contamination
  • Heat marks
  • Corrosion

Stage 3: Installing the New Module (Approx. 15 minutes)

  1. Wear ESD protection before touching the PCB.
  2. Verify the replacement marking: ALSTOM LC110-M2.
  3. Compare connector positions with the removed unit.
  4. Insert the module into the correct rack slot.
  5. Ensure the locking mechanism is fully engaged.
  6. Reconnect all wiring.

Configuration Clone (Critical)

Copy from the original:

  • Module location
  • Hardware jumpers (if installed)
  • Address settings
  • Related excitation parameters

Self-Checklist

[ ] Correct LC110-M2 installed
[ ] Rack position confirmed
[ ] Connectors fully seated
[ ] Wiring verified

Stage 4: Power-On & Testing (Approx. 20 minutes)

Pre-Power Check

  1. Check supply voltage.
  2. Verify no wiring shorts.
  3. Confirm rack connections.

Power-On Steps

  1. Energize the control rack.
  2. Check module status indicators.
  3. Verify no excitation alarms.
  4. Confirm communication with the main controller.
  5. Run excitation system diagnostics.
  6. Perform controlled equipment startup.

⚠️ Troubleshooting Note

  • Module not detected: Check rack seating and backplane connection.
  • Excitation fault alarm: Verify field wiring and parameter settings.
  • Unexpected limits trip: Compare replacement module configuration with the original.

 

6. Frequently Asked Questions (FAQ)

Q1: Is ALSTOM LC110-M2 still manufactured?

No. The LC110-M2 is a discontinued legacy module. Available units generally come from industrial surplus, unused stock, or refurbishment suppliers.

Q2: What does the LC110-M2 actually do?

The module functions as an excitation fault detector and excitation limits module for C10/120-M2 systems. It monitors excitation-related conditions rather than acting as a general-purpose PLC CPU.

Q3: Can I hot-swap the LC110-M2?

No. Treat it as a powered control rack module unless the original system documentation specifically approves live replacement. Shut down power before removal.

Q4: Will replacing the LC110-M2 erase my control parameters?

Usually, the main control parameters are stored in the system controller rather than only in this module. However, always document the existing configuration before removal.

Q5: Why is the LC110-M2 expensive compared with newer control modules?

Legacy industrial electronics are priced based on availability, testing requirements, and remaining installed base demand. A discontinued module may cost more because replacement supply is limited.

Q6: What should I verify before ordering an LC110-M2?

Confirm:

  • Exact part number: LC110-M2
  • Existing system: C10/120-M2
  • Rack compatibility
  • Connector layout
  • Module condition
  • Test documentation

A matching label is required, but system compatibility should always be verified before installation.

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