Schneider Electric 490NRP95400 Modicon Remote I/O Fiber Optic Repeater

Product Overview

The Schneider Electric 490NRP95400 serves as a high-performance Fiber Optic Repeater within the Modicon automation ecosystem. This specialized unit extends the reach of Remote I/O (RIO) networks by converting electrical signals into optical pulses. By bridging long distances through fiber media, it enables seamless communication between distributed PLC racks and central processors in expansive plant environments. We supply this repeater as 100% brand new, original hardware, ensuring zero-latency data transmission for mission-critical control architectures.

Technical Specifications

The 490NRP95400 provides a robust interface for Manchester encoded data, supporting versatile power options for global industrial deployments.

• Manufacturer: Schneider Electric

• Product Line: Modicon

• Device Type: Fiber Optic Repeater

• Data Rate: 1.544 Mbit/sec (Manchester encoded)

• Electrical Interface: Remote I/O via "F" Connector

• Optical Interface: ST-type Connectors

• Power Supply (Nominal): 115/230 VAC or 24 VDC

• Operating Temperature: 0 to 60° C (32 to 140° F)

• Storage Temperature: –40 to +85° C (–40 to 185° F)

• Mounting: Panel or shelf mounting

• Net Weight: 4.00 lbs (1.81 kg)

Engineering Advantages

• Immunity to Electromagnetic Interference (EMI): By utilizing fiber optic media, this repeater eliminates electrical noise pickup across long cable runs. This solves a major pain point in heavy industrial facilities where large motors or high-voltage equipment typically corrupt signal integrity on standard copper coaxial lines.

• Extended Network Distance: The optical conversion allows the RIO network to span distances far beyond the limits of traditional "F" connector coaxial cabling. This makes the 490NRP95400 the standard choice for connecting remote substations or offshore platforms to a centralized control room.

• Flexible Power Integration: The unit accommodates 115/230 VAC and 24 VDC inputs simultaneously. This multi-voltage capability allows engineers to integrate the repeater into existing AC infrastructure or dedicated DC backup systems without requiring external power converters.

• High-Speed Deterministic Performance: The repeater maintains a steady 1.544 Mbit/sec throughput for Manchester encoded data. This ensures that the Remote I/O scan remains deterministic, preventing jitter or lag in time-sensitive process control loops.

• Simplified Hardware Diagnostics: The "F" connector and ST-type interfaces provide standard, rugged points of connection. Technicians quickly verify signal status at either the electrical or optical stage, reducing the mean time to repair (MTTR) during network troubleshooting.

FAQs

• What type of fiber optic cable does the 490NRP95400 require?

  The module features ST-type connectors. You must use compatible multi-mode fiber optic cabling to ensure the 35 dB dynamic range (typical of Modicon RIO fiber systems) maintains signal strength over long runs.

• Can I mount this repeater directly onto a DIN rail?

  Standard specifications designate panel or shelf mounting. While some custom brackets exist, the 4.00 lb weight of the unit requires a secure, flat-surface mounting to withstand industrial vibrations.

• Does this unit support redundant fiber paths?

  This specific repeater functions in Bus and Line Drop applications. For a fully redundant fiber ring, you typically deploy multiple repeaters or specialized RIO head-end adaptors that support dual-path cabling.

• Is this a refurbished or "new-old-stock" part?

  No. We guarantee this 490NRP95400 is 100% Brand New original Schneider Electric stock. It arrives in factory-sealed packaging with all original technical certifications and documentation intact.