The ALSTOM VCS232 590.043158 stands as a mission-critical control module within ALSTOM’s renowned AGATE™ rail signaling platform. This advanced PLC-based controller executes SIL4-certified safety logic at 0.1ms cycle times, ensuring fail-safe operation for metro train automatic protection systems. The VCS232 590.043158 integrates dual-redundant Arm® Cortex-R52 processors with 2GB error-correcting RAM, specifically designed for railway interlocking systems handling over 10,000 I/O points.
As the core component of ALSTOM’s Computer-Based Interlocking (CBI) solutions, the ALSTOM VCS232 590.043158 features patented track circuit analysis algorithms that detect 0.5Ω impedance changes for broken rail detection. Its extended -40°C to +85°C operational range enables deployment in Siberian high-speed rail lines without heating cabinets. The module’s TÜV-certified dual-channel architecture maintains 99.9999% availability in urban mass transit applications.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | VCS232 590.043158 |
| Manufacturer | ALSTOM |
| Product Type | Rail Signaling Control Module |
| Processor | Dual Arm® Cortex-R52 @ 800MHz |
| Safety Level | SIL4 per EN 50128/50129 |
| Cycle Time | 0.1ms (Typical) |
| Memory | 2GB ECC RAM + 64GB Flash |
| I/O Capacity | 10,000 virtual points |
| Communication | 2x 1000BASE-T1 (TSN enabled) |
| Power Supply | 24V DC ±20% (Redundant inputs) |
| Operating Temp | -40°C to +85°C |
| Vibration | 5g @ 10-200Hz |
| Certifications | EN 45545-2 (Fire), EN 50155 |
Key Features and Advantages:
Ultra-reliable architecture: The VCS232 590.043158 implements triple modular redundancy with 3-out-of-2 voting logic for metro signaling control centers. Built-in condition monitoring predicts capacitor aging 6 months in advance through impedance spectroscopy analysis.
Cyber-secure design: Hardware-encrypted bootloader with quantum-resistant algorithms protects against firmware tampering in railway wayside equipment. Automatic protocol mutation thwarts DDoS attacks on train-to-ground communications.
Interoperability: Native support for IEC 62280-3 and RailTopoModel standards enables seamless integration with legacy relay-based interlocking systems. Hot-swappable PCIe expansion slots allow field upgrades for future ETCS Level 2 requirements.
Application Areas:
The ALSTOM VCS232 590.043158 is indispensable in:
- Rail Transit: Automatic train protection (ATP) systems
- Metro Systems: Platform screen door synchronization
- Freight Rail: Electronic interlocking for marshaling yards
- Cross-Border: ERTMS/ETCS Level 1 deployment
In desert railway environments, its conformal coated PCB withstands sandstorms while maintaining track vacancy detection accuracy. The module’s 100ns timestamp resolution meets CENELEC requirements for conflict detection at complex junctions.
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Installation and Maintenance:
Installation preparation: Verify rack grounding resistance (<0.1Ω) before mounting ALSTOM VCS232 590.043158 in trackside signaling cabinets. Use ALSTOM-recommended anti-vibration spacers for installations near rail joints subjected to 15g shock loads.
Maintenance recommendations: Perform annual thermal imaging scans on power connectors in tropical metro tunnels. Update cybersecurity keys quarterly using ALSTOM Secure Field Programmer in depots with ETCS Level 2 systems.
Product Assurance:
ALSTOM guarantees 12-months lifecycle support for VCS232 590.043158, including 36-month warranty against manufacturing defects. Each module undergoes 2000-hour burn-in testing replicating 20-year service conditions in arctic environments. Global technical support teams provide 24/7 emergency response for signalling system outages.
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