The Alstom LE109A-1 is a high-performance Power System Control and Monitoring Module / Control Card engineered for critical infrastructure, substation automation, and heavy industrial power systems.
As part of Alstom’s automation architecture (frequently associated with MicroSCADA P series and ALSPA control systems), the LE109A-1 acts as an intelligent core unit designed to execute complex logic algorithms, handle multi-channel inputs and outputs, and supervise electrical parameters in real-time.
Technical Specifications
| Parameter | Specification |
| Manufacturer | Alstom (General Electric / Grid Solutions) |
| Product Series | MicroSCADA P Series / ALSPA Automation Architecture |
| Model / Part Number | LE109A-1 |
| Component Type | Power System Control Card / Logic & Monitoring Module |
| Processor Architecture | High-speed 32-bit industrial microprocessor core |
| I/O Configuration | Configurable digital and analog channel handling |
| Input Voltage Range | 24 V DC to 110 V DC (system dependent) |
| Communication Protocols | Industrial Ethernet, RS-485, CAN-BUS interface support |
| Response / Task Cycle | High-speed real-time processing (< 10 ms cycle) |
| Operating Temperature | -25°C to +70°C (-13°F to +158°F) |
| Enclosure / Mounting | IP20 cabinet-mount plug-in module card |
| Compliance / Standards | CE, IEC 60255, Railway EN standards compliance |
Core Features & Operating Capabilities
- Critical Infrastructure Reliability: Engineered specifically for power generation, electrical transmission substations, and railway networks where high availability and fault tolerance are mandatory.
- Real-Time Data Acquisition: Manages simultaneous multi-point data gathering to capture grid fluctuations, phase variations, or equipment alarms with microsecond precision.
- Robust Environmental Hardening: Built with conformal coating and heavy-duty component layouts to resist extreme electromagnetic interference (EMI), thermal shifts, and vibration common in high-voltage switchyards.
- Versatile Network Interfacing: Integrates smoothly into broader supervisory control and data acquisition (SCADA) networks via robust fieldbus and Ethernet protocols.
Related Alstom Automation & Control Components
- MicroSCADA Pro / P Series — Central software and hardware substation automation platforms.
- ALSPA Control Series — Distributed control and turbine management architectures.
- MACC / MCHN Series — Complementary power supply and relay interface cards.
