Description
The part number L54E1100BE00 RDSP1 refers to a specialized industrial hardware module closely tied to the same legacy power generation and excitation control ecosystem as your previous Alstom part queries.
Product Overview
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Manufacturer / Brand: Alstom / GE Alstom
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Part Number / Model: L54E1100BE00 (with RDSP1 designation)
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Component Type: Printed Circuit Board / Control & Interface Card
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Platform: Microrec K4.1 / Static Excitation and Automatic Voltage Regulator (AVR) Systems
Key Functions & Applications
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Signal Processing & Redundancy: The “RDSP” designation typically points toward a specialized DSP (Digital Signal Processor) or redundant monitoring/processing tracking card within the regulator rack. It handles real-time mathematical computations, firing angle calculations, or system diagnostics.
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Excitation Control Integration: Works in conjunction with pulse cards (like CPRM) and communication modules to manage generator field current, system protection, and closed-loop grid synchronization.
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Industrial Environment: Engineered for heavy-duty deployment in gas, steam, and hydroelectric power generation plants requiring high reliability and rapid control responses.

L54E1100CZ00
L54E1100BE00 RDSP1
Product Overview
Technical Specifications
| Item | Parameter |
|---|---|
| Part Number | L54E1100BE00 |
| Module Designation | RDSP1 Digital Signal Processing Module |
| Manufacturer | Alstom |
| Applicable Platform | Microrec K4.1, AC 800PEC control rack |
| Core Function | Analog signal sampling, signal conditioning, DSP computation, data transmission |
| Supported Input Signals | AC voltage, AC current, DC transducer signals |
| Power Supply | 24 VDC supplied by rack backplane |
| Mounting Form | Single slot plug-in card installation |
| Operating Temperature | -20℃ ~ +70℃ |
| Ambient Humidity | 5%–95% non-condensing |
| Protection Class | IP20 (indoor cabinet mounting) |
| Compliance Standard | IEC 61000 EMC industrial standards |
| Spare Part Status | Original factory production discontinued; surplus new and refurbished modules available |
Key Features
- Adopts dedicated DSP chip to realize high-speed signal calculation meeting excitation closed-loop control requirements
- Built-in multi-stage signal filtering and galvanic isolation to restrain noise and ground loop interference
- High-precision sampling circuit ensures stable measurement accuracy for generator voltage and current signals
- Compact single-slot structure facilitates convenient inspection, maintenance and rapid on-site replacement
- Embedded fault detection logic to assist troubleshooting of abnormal sampling channels
- Optimized industrial PCB layout with anti-vibration performance for long-term continuous operation
- Strict full part number matching required; different hardware variants cannot be directly interchanged without verification
