Description

ALSTOM L0003604 (AL129A) Analog Input Module

Technical Specifications

• Product Model: L0003604 (cross-reference: AL129A)
• Brand: Alstom
• Warranty: One Year
• Channels: 8-channel isolated analog input
• Input Signal: 4-20 mA / 0-10 V DC field signals
• Resolution: 12-bit A/D conversion
• Accuracy: ±0.2% full-scale
• Isolation: 1500 VAC channel-to-system galvanic isolation
• Operating Temperature: 0 °C ~ +60 °C
• Storage Temperature: -40 °C ~ +85 °C
• Protection Class: IP20 rack-mount I/O module
• System Compatibility: Alstom industrial control and DCS system racks
• Diagnostics: Channel fault detection, module health status LED
• Humidity: 5-95 % RH non-condensing
• Weight: 0.42 kg
• Dimensions: Standard eurocard plug-in module footprint
• 

Product Overview

L0003604 (AL129A) is an 8-channel isolated analog input module for Alstom industrial control systems. It acquires 4-20mA and 0-10V process signals from field transmitters, sensors and actuators, converting analog values into digital data for main controller processing. Channel-to-backplane isolation suppresses ground loop interference in industrial plant environments. Widely applied in power plant, petrochemical and metallurgical process control systems. Surplus and refurbished tested spare I/O module for legacy Alstom control system maintenance projects.

Application Notes

• Use shielded twisted-pair cable for field analog signal wiring.
• Perform channel calibration after module replacement.
• Observe ESD precautions during card handling.
• Typical deployment: Alstom control system analog input module spare-part stocking.