Alstom (GE) SPU232 Single Processor Unit

Product Overview

Alstom SPU232 is a single processor unit (SPU), also commonly marked as SPU232.1 / SPU232.2, part number 029.354630 / 029.366817. 

Originally manufactured by Alstom, this series was later inherited by GE. It is a core logic processing board designed for real-time control and signal acquisition, 

widely deployed in railway signal systems and power plant control systems. It executes logic calculation, signal interlock and data communication tasks as the 

core controller in the system.

Technical Specifications

• Brand: Alstom / GE
• Model: SPU232 (SPU232.1, SPU232.2)
• Type: Single Processor Unit, Control Board
• Communication: CAN 2.0A/B bus, serial interface
• Supply Voltage: 24VDC
• Working Temperature: -20℃ ~ +60℃
• Installation: Standard Eurocard rack mounting
• Humidity: 5% ~ 95% non-condensing

Key Features

1. High-speed real-time logic processing for safety interlock control
2. Built-in CAN bus interface for reliable field data transmission
3. Heavy-duty industrial PCB design, strong anti-interference capability
4. Support signal collecting, status monitoring and fault diagnosis

5. Hot-swap compatible for many rack systems, convenient maintenance

6.