Technical Specifications
| Feature | Specification |
|---|---|
| Model Number | MINERVA 125.500.656 |
| System Compatibility | Minerva Marine / T1000 / T2000 Series |
| Origin | United Kingdom (Tyco / Thorn) |
| Type | Addressable Fire Detection Interface |
| Input Voltage | 24V DC (Loop Powered or External) |
| Communication | Digital Addressable Loop Protocol |
| Mounting | DIN Rail or Integrated Housing |
| Operating Temp | -10°C to +55°C |
| Weight | Approx. 0.45 kg |
| Dimensions | 110 mm (W) x 90 mm (H) x 45 mm (D) |
The Minerva 125.500.656 is a high-reliability interface module designed for integrated fire alarm systems in marine and industrial environments. This component functions as a critical bridge between the central control panel and remote field devices, ensuring rapid signal transmission and precise location identification during a fire event. Built to meet stringent maritime safety certifications, the 125.500.656 features advanced fault-isolation circuitry to maintain loop integrity even in the event of a localized short circuit, providing consistent protection for passenger vessels, offshore platforms, and industrial complexes.
Q&A: Product Details & Troubleshooting
Q: Can this module be used with older Thorn or Tyco fire panels? A: The 125.500.656 is specifically designed for the Minerva addressable architecture. While it is backward compatible with certain legacy T1000 series systems, it is essential to verify the loop protocol version (e.g., MX or Legacy Digital) to ensure the panel can recognize the device address.
Q: How do I set the address for the 125.500.656 module? A: Depending on the specific revision, the address is typically set using an onboard DIP switch bank or via a handheld digital programmer. Ensure the address matches the site configuration map to avoid “Double Address” or “Unconfigured Device” faults at the main panel.
Q: What does a yellow “Fault” LED on the module indicate? A: A yellow LED usually signifies a communication error or a loop continuity issue. Check for loose wiring at the terminal block or high resistance in the loop cabling. If the fault persists after checking the wiring, the internal isolator may have triggered due to a downstream short circuit.
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