• Schneider 490NRP25300
  • Schneider 490NRP25300
  • Schneider 490NRP25300
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Schneider Modicon 490NRP25300 Modbus Plus Fiber Optic Repeater

Schneider Modicon 490NRP25300 Modbus Plus Fiber Optic Repeater

Description

The 490NRP25300 is a specialized fiber optic repeater designed for the Modicon Quantum and Modicon Premium automation platforms. This module provides a robust interface for converting Modbus Plus (MB+) copper...

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SKU: 490NRP25300
Vendor: Schneider
Category: Communication Interface Module
Related Series:

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Description

The 490NRP25300 is a specialized fiber optic repeater designed for the Modicon Quantum and Modicon Premium automation platforms. This module provides a robust interface for converting Modbus Plus (MB+) copper signals into fiber optic signals, enabling long-distance data transmission while ensuring total galvanic isolation. Engineered for large-scale industrial deployments, the 490NRP25300 effectively eliminates ground loop issues and electromagnetic interference (EMI). By extending network reach and protecting the communication bus from electrical surges, this repeater plays a critical role in maintaining network stability and reducing unscheduled downtime in harsh industrial environments.

Features

  • Supports point-to-point or star network topologies.
  • Features one Modbus Plus copper port (RS-485) and two fiber optic ports (TX/RX) with ST connectors.
  • Transparent signal conversion with minimal propagation delay.
  • Regenerates data packets to maintain signal integrity over long distances.
  • Integrated diagnostic LEDs for power, copper link activity, and fiber signal detection.
  • High immunity to electrical noise and surge protection.

Applications

The 490NRP25300 is ideal for industrial environments requiring extended communication distances, such as offshore oil platforms, mining complexes, and high-voltage power substations. It is specifically designed to bridge Modbus Plus networks where copper cabling is susceptible to EMI or ground potential differences.

Technical Specifications

Model 490NRP25300
Brand Schneider Electric
Module Type Modbus Plus Fiber Optic Repeater
Fiber Type Multimode 62.5/125 um or 50/125 um
Connectors 1 x Sub-D 9 (Copper MB+), 2 x ST (Fiber TX/RX)
Max Distance Up to 3 km
Wavelength 820 nm
Input Voltage 24 VDC (19.2 to 30 VDC range)
Power Consumption 200 mA at 24 VDC
Operating Temperature 0 to 60 deg C
Storage Temperature -40 to +85 deg C

Installation Guidelines

  • Ensure the device is installed in a clean, dry environment within an industrial enclosure.
  • Verify that the 24 VDC power supply is within the specified 19.2 to 30 VDC range before connection.
  • Use appropriate fiber optic cleaning procedures for ST connectors to ensure signal quality.
  • Maintain proper cable routing to prevent sharp bends in fiber optic cables.
  • Ensure the module is properly grounded to the enclosure chassis to mitigate EMI.
  • Power down the system before inserting or removing the module or connecting communication cables.

Compliance and Certifications

The 490NRP25300 meets various international standards, including UL, CSA, CE, and FM Class I Div 2, making it suitable for hazardous location applications where applicable.

FAQ

What is the primary function of the 490NRP25300?

The 490NRP25300 acts as a bridge between Modbus Plus copper networks and fiber optic media, allowing for extended transmission distances and providing galvanic isolation between network segments.

Can this module be used with both 50/125 and 62.5/125 fiber?

Yes, the module is compatible with both standard multimode fiber types (50/125 um and 62.5/125 um) using ST-style connectors.