Product Overview
The Schneider Electric 140NRP95401C Coated Fibre Optic Repeater forms a critical link in the Modicon Quantum automation platform. Designed to regenerate and strengthen optical signals, this repeater ensures data integrity over long-distance fiber optic runs. With a bus current requirement of 750 mA and a power dissipation of 5 W, the 140NRP95401C operates efficiently in demanding industrial environments.
Technical Specifications
Below are the key parameters of the 140NRP95401C, derived directly from the manufacturer datasheet:
| Parameter |
Value |
| Power Dissipation |
5 W |
| Bus Current Requirement |
750 mA |
| Inrush Current |
1.8 A at 5 V DC |
| Optic Fiber Type |
Single mode |
| Receiver Sensitivity |
-25 dBm |
| Detected Silence |
-45 dBm |
| Number of Ports |
2 fiber optic (LC), 1 coaxial |
| Operating Temperature |
0 to 60 °C |
| Storage Temperature |
-40 to 85 °C |
| Humidity Tolerance |
0 to 95% non-condensing |
| Altitude |
Up to 2000 m |
| Rise/Fall Time |
20 ns |
| Weight |
0.5 kg |
Troubleshooting and Signal Integrity
Common failure modes in fiber optic communication include signal loss and noise interference. The Schneider 140NRP95401C mitigates these with a receiver sensitivity of -25 dBm and a silence detection threshold of -45 dBm. The four green and three red LED indicators provide immediate visual feedback on link status and fault conditions. If the red LEDs illuminate, check fiber cleanliness and connector seating. The 20 ns rise/fall time ensures minimal signal distortion.
Real-World Applications
The 140NRP95401C excels in scenarios requiring long-distance, noise-immune data transmission. Use it to extend Modicon Quantum remote I/O networks across large factories, connect control rooms to field devices separated by hundreds of meters, or link PLC cabinets in electrically noisy environments. The single-mode fiber type supports distances up to several kilometers, while the coaxial port allows legacy device integration.
Maintenance and Reliability
Routine inspection of fiber connectors and the polycarbonate housing preserves performance. Operate the 140NRP95401C within 0 to 60 °C and below 95% humidity to avoid condensation. The device tolerates storage from -40 to 85 °C. With no moving parts and robust electronics, the repeater delivers long service life. UBEST Automation stocks original Schneider parts to ensure system uptime.