WhatsApp: +86 16626708626
Email: 
Phone: +86 16626708626Description
3. Key Technical Specifications
| Parameter | Value |
|---|---|
| Model Number | 11800065 |
| Brand | ALSTOM |
| Type | TOLD TROPIC Relay Module |
| Operating Voltage | 24 V DC (nominal) |
| Contact Configuration | Multiple isolated relays |
| Mounting | Rack or chassis compatible |
| Operating Temperature | -40 to +70 °C |
| Protocols/Interfaces | Signaling logic I/O |
| Weight | Approx. 1.2 kg (typical for similar units) |
| Dimensions | Standard signaling module footprint |
| Firmware/Revision | Factory standard |
| Certification | Railway signaling compliant |
4. Product Introduction
The ALSTOM 11800065 is a TOLD TROPIC relay module designed for railway signaling and control systems. It handles critical logic functions in trackside and wayside equipment, managing relay states for safe signal routing and interlocking.
Field teams choose this module for its proven reliability in ALSTOM signaling installations. It provides consistent performance in harsh environments and serves as a direct replacement in existing TOLD TROPIC racks. Verify exact pinout and voltage ratings against your system documentation before installation.
- 11800065
- 11800065
5. Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No relay clicks on power-up | Power supply issue or blown fuse | Low | Measure 24V DC at input terminals with multimeter | Confirm PSU output and fuses first |
| Intermittent contact failure | Dirty or worn contacts | Medium | Listen for actuation; check continuity across terminals | Cycle power; replace if contacts fail resistance test |
| Module does not respond to input signals | Logic wiring or upstream fault | High | Use test set to simulate inputs; monitor output LEDs | Verify input signals; replace module if isolated to this unit |
| Overheating during operation | Excessive load or short | Low | Monitor temperature after 30 min runtime | Check downstream wiring and reduce load |
| ERR or fault LED active | Internal relay coil fault | High | Read diagnostic logs if available | Replace module; send old unit for analysis |
Contact technical support with clear photos of the module, wiring, and any diagnostic logs if issues persist.
6. Frequently Asked Questions (FAQ)
Is the ALSTOM 11800065 hot-swappable? No. Kill power to the rack before swapping. Hot-swapping relay modules risks backplane damage or false signals in safety-critical signaling circuits.
What condition is this unit? New Original / New Surplus. It comes from OEM stock, factory sealed, with full traceability. We perform inbound visual inspection and basic functional checks before shipping.
Will this work as a direct replacement in my TOLD TROPIC system? In most cases yes, but confirm firmware revision and exact configuration against your installed base. Take photos of existing DIP switches or jumpers before removal and match them exactly.
What is the warranty? 1-year warranty on functional operation. Coverage excludes damage from improper installation, ESD events, or exceeding rated voltages.
How do I verify compatibility before ordering? Send us photos of your existing module and rack layout. We cross-check part numbers and provide a test report for this specific unit upon request.
Do you provide test videos or documentation? Yes. Test videos and inspection photos are available before shipment. We document power-on behavior and basic relay actuation.
What if my system uses an older revision? Document the exact revision of the failed unit. We can often source matching revisions. Mismatches can cause logic errors in interlocking sequences.
