Configured for fiber optic network extension in the Modicon Quantum automation platform, the Schneider Electric 140NRP95400 (140NRP95400 Fibre Optic Repeater) provides direct physical communication between coaxial and multimode fiber media. The module integrates one coaxial interface and two ST fiber optic ports for remote bus transmission with local LED diagnostics and optical link monitoring.
Suffix Breakdown & Model Matrix
The supplied documentation identifies 140NRP95400 as a single catalog number. No official suffix or option matrix is specified for this model.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 140NRP95400 |
| Brand | Schneider Electric |
| Product Series | Modicon Quantum |
| Product Type | Fibre Optic Repeater |
| Origin | Not specified |
| Fiber Type | Multimode |
| Fiber Ports | 2 x ST optical connectors |
| Coaxial Ports | 1 x coaxial connector |
| Operating Wavelength | 820 nm |
| Maximum Optical Distance | 2000 m (50/125 um), 3000 m (62.5/125 um), 3000 m (100/140 um) |
| Optical Power | 3.5 dBm (50/125 um, 62.5/125 um), 5 dBm (100/140 um) |
| Receiver Sensitivity | -30 dBm |
| Dynamic Range | 20 dB |
| Detected Silence | -36 dBm |
| Rise/Fall Time | 20 ns |
| Backplane Current | 700 mA |
| Inrush Current | 1 A at 5 VDC |
| Power Consumption | 5 W |
| Status Indicators | RDY, ERR, FAULT, activity, coaxial communication, optical communication LEDs |
| Dimensions (W x H x D) | 40.34 x 250 x 103.85 mm |
| Weight | 0.554 kg |
| Operating Temp | 0 to 60 deg C |
| Storage Temp | -40 to 85 deg C |
| Relative Humidity | 0 to 95 % |
| Operating Altitude | 0 to 2000 m |
| Housing Material | Polycarbonate (PC) |
| Certifications | CE, CSA C22.2 No. 142, FM Class 1 Division 2, UL 508, TUV |
Backplane Communication Integration
The 140NRP95400 operates as a physical communication repeater within the Modicon Quantum backplane network by extending the transmission medium from coaxial cable to multimode optical fiber. The module requires 700 mA from the backplane and performs signal regeneration without introducing configurable protocol functions. Local LED indicators provide independent status feedback for module health, coaxial communication, optical communication, network activity, and internal fault conditions to simplify field diagnostics.
Frequently Asked Questions
Q: Does the 140NRP95400 support single-mode fiber?
A: No. The published specifications identify support only for multimode optical fiber using ST connectors.
Q: What is the maximum transmission distance?
A: Depending on the fiber type, the maximum supported distance is 2000 m with 50/125 um fiber and up to 3000 m with 62.5/125 um or 100/140 um multimode fiber.
Q: Is diagnostic information available without engineering software?
A: Yes. Front-panel LEDs indicate module readiness, optical communication status, coaxial communication status, network activity, internal module faults, and general fault conditions.
Field Installation Guidelines
- Install the repeater in a compatible Modicon Quantum rack with sufficient backplane current capacity.
- Verify that multimode fiber and ST connectors match the specified optical characteristics before commissioning.
- Keep fiber connector end faces clean to minimize optical attenuation.
- Route optical fiber separately from power conductors to reduce the possibility of mechanical damage during maintenance.
- Observe the specified operating temperature, humidity, and altitude limits during installation.
- Confirm correct LED status after power-up before placing the communication network into service.
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