Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
Product Introduction
When your Alstom rail vehicle needs ultra-high reliability real-time control performance under harsh high-vibration and high-electromagnetic-interference operating environments, this full set of TRVC modules acts as the core control brain for the entire vehicle control system.
It features industrial-grade wide-temperature components that have passed strict EMC and vibration-shock tests, delivering stable operation even under extreme rail transit operating conditions. Its integrated Ethernet and RS-485 communication interfaces support Modbus and Profibus protocols, enabling seamless interconnection with other vehicle control subsystems.

TRVC062105000 TRVC070938000 TRVC070938005.A

TRVC062105000 TRVC070938000 TRVC070938005.A

TRVC062105000 TRVC070938000 TRVC070938005.A

TRVC062105000 TRVC070938000 TRVC070938005.A
Key Technical Specifications
| Parameter | Value |
|---|---|
| Full Set Part Numbers | TRVC062105000, TRVC070938000, TRVC070938005.A |
| Product Type | Rail Transit Onboard PLC Control Module Set |
| Power Supply | 8-32 VDC wide industrial voltage input |
| Control Scan Cycle | Microsecond-level high-speed real-time logic execution |
| Operating Temperature Range | -20°C ~ +60°C |
| Communication Interfaces | Ethernet, RS-485, supports Modbus RTU, Profibus protocols |
| Installation Method | DIN35 standard rail mounting / vehicle control cabinet plug-in installation |
| Industry Certification | EN 50155 European rail transit equipment safety certified |
| Core Control Functions | Traction control, braking system logic, door control, auxiliary system management |
| Expansion Capability | Supports expansion of digital/analog I/O channels via dedicated expansion modules |
| Protection Rating | IP20 when fully installed |
Field Application & Technical Pitfalls
Critical Industrial Scenarios
- **Urban Metro Train Onboard Main Control: Acts as the core PLC control unit for Alstom urban metro vehicles, executing real-time traction acceleration/deceleration control and braking system logic processing to ensure smooth and stable train operation.
- **High-Speed Train Auxiliary System Management: Delivers reliable control for high-speed train air conditioning, lighting and door control subsystems, maintaining consistent passenger comfort and vehicle operation safety.
- **Maglev Train Onboard Distributed Control: Adapts to high-vibration maglev train operating environments, providing high-speed real-time control for distributed vehicle control nodes.
Non-Negotiable Technical Pitfalls
- ⚠️ Bold Warning 1: Never connect 220V AC power directly to the 8-32V DC power terminals. The third module’s power regulation circuit will instantly burn out, completely disabling all control functions.
- ⚠️ Bold Warning 2: Firmware revision mismatch between the three modules will cause control logic synchronization failure. This full set requires Alstom vehicle control system firmware v5.1+; it will not support full coordinated control operation on v4.x legacy systems.
- ⚠️ Bold Warning 3: Skipping the pre-installation full-set control logic synchronization test will leave you with hidden control dead zones. The issue will only surface during high-speed train operation, leading to unexpected traction control anomalies.
A metro line maintenance team once swapped a set of TRVC modules and skipped the full synchronization test. The hidden logic synchronization fault caused the train traction system to lose 12% of output power during peak operation, resulting in 7 consecutive train delays across the entire line.
Quality Control (QC) SOP & Transparency
- Inbound Verification: Cross-check the OEM serial numbers against Alstom’s official rail part registry, confirm all three part numbers TRVC062105000 / TRVC070938000 / TRVC070938005.A match factory labels, and inspect no bent pins or corrosion on all connectors.
- Live Rig Testing: Power the full set of modules in a calibrated Alstom vehicle control test bench, apply 24V DC power, and confirm full inter-module control logic synchronization stability for 2 continuous hours.
- Parameter Testing: Verify microsecond-level control scan cycle performance meets factory specifications, confirm Ethernet and RS-485 communication functions operate correctly, and validate all onboard status LED indicators function properly.
- Final QA & Packaging: Seal all tested modules in separate static-shielding anti-static bags, attach unique QC passed serial labels, and nest them in foam padding inside a rigid industrial shipping carton.
Frequently Asked Questions (FAQ)
- Can I hot-swap these modules while the train control system is running? No. You must first place the vehicle control system in maintenance mode before removing any module, otherwise you will trigger temporary traction control loss alarms.
- What exact Alstom systems is this full set compatible with? It works natively with Alstom urban metro and high-speed train onboard control systems. It will not operate correctly with non-Alstom rail vehicle control systems without custom protocol adaptation.
- How long is the standard warranty for this new surplus full set? 12 months from delivery. It covers all manufacturing defects, but does not extend to units damaged by overvoltage, miswiring, or improper firmware matching in the field.
- How do I tell genuine OEM units apart from refurbished clones? Genuine Alstom TRVC series modules have a laser-etched part number on the PCB, not a printed sticker. Clone units almost always fail the EN 50155 standard vibration performance test.
- What is the typical lead time for shipment? In-stock full sets ship within 48 hours. If you require official Alstom EN 50155 rail certification documentation, add 2 extra business days to the turnaround window.
- Can this full set replace the older TRVC legacy module set? Well, technically all modules fit the same DIN35 rail mounting footprint, but you will need to reconfigure all traction and braking control logic parameters in the vehicle control engineering software to unlock the full high-speed real-time control performance.
