Schneider Electric 490NRP25400 Modbus Plus Network Repeater Transmitter – Quantum Automation Series
Imagine a sprawling automotive assembly plant where dozens of PLCs, drives, and HMI panels must communicate in perfect synchrony across hundreds of meters of factory floor. Without a reliable network repeater transmitter, signal degradation silently corrupts data frames, causing sporadic faults, unplanned downtime, and costly production stoppages that engineers struggle to diagnose. The Schneider Electric 490NRP25400 eliminates this vulnerability by regenerating and retransmitting Modbus Plus network signals at full strength, ensuring deterministic, noise-immune communication across every node in your control architecture.
Within the Schneider Electric Quantum automation platform, the 490NRP25400 occupies a critical infrastructure role: it is the dedicated Modbus Plus network repeater that extends segment reach and bridges physical network boundaries without introducing latency or protocol overhead. Modbus Plus remains one of the most widely deployed peer-to-peer industrial networks globally, and the 490NRP25400 is the factory-engineered solution for maintaining its integrity in large-scale or geographically distributed installations. Its proven track record in process industries, discrete manufacturing, and utility automation makes it a benchmark component for system integrators worldwide.
Technical Specifications
- Part Number: 490NRP25400
- Manufacturer: Schneider Electric (formerly Modicon)
- Product Series: Quantum / Modbus Plus Network Infrastructure
- Function: Modbus Plus Network Repeater / Transmitter
- Network Protocol: Modbus Plus (MB+)
- Connector Type: DB-9 (9-pin) Modbus Plus ports
- Power Supply: 24 VDC (external)
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Storage Temperature: -40°C to 85°C
- Relative Humidity: 5% to 95% non-condensing
- Certifications: CE, UL listed
- Weight: 100 g (approx.)
Note: Specifications above are based on published Schneider Electric documentation. Always verify against the official datasheet for your specific application.
Key Features & Benefits
- Signal Regeneration: Fully regenerates Modbus Plus signals, eliminating cumulative noise and attenuation over long cable runs.
- Network Segmentation: Divides a large Modbus Plus network into independent segments, isolating faults and improving overall network resilience.
- Transparent Operation: Functions as a transparent repeater — no address configuration required, zero impact on network timing or token rotation.
- Extended Reach: Enables Modbus Plus networks to span distances far beyond the single-segment limit, supporting large plant layouts.
- Plug-and-Play Installation: Standard DB-9 connectors and straightforward DIN-rail or panel mounting reduce commissioning time.
- Robust Industrial Design: Built to withstand EMI, vibration, and temperature extremes typical of industrial environments.
- Long Service Life: Designed for continuous 24/7 operation in demanding automation environments.
Industry & Equipment Applications
- Automotive Manufacturing: Connecting body shop, paint shop, and assembly line PLCs across large facilities.
- Oil & Gas: Extending Modbus Plus networks in refineries and pipeline control systems where distances are significant.
- Water & Wastewater Treatment: Linking remote pump stations and treatment process controllers.
- Power Generation & Utilities: Integrating substation automation and generator control systems.
- Food & Beverage Processing: Maintaining reliable communication in washdown-intensive environments.
- Building Automation & HVAC: Bridging Modbus Plus segments in large commercial or industrial buildings.
- Discrete Manufacturing: Supporting multi-cell production lines with distributed PLC architectures.
System Integration & Compatible Parts
The 490NRP25400 is designed to integrate seamlessly within the Schneider Electric Quantum ecosystem and broader Modbus Plus installations. Compatible and commonly paired components include:
- Schneider Electric Quantum PLC CPUs (e.g., 140CPU65150, 140CPU67160)
- Modbus Plus Network Adapters (e.g., 490NAA27143, 490NAD91115)
- Modbus Plus Tap Cables and T-connectors
- Schneider Electric Momentum I/O platforms with MB+ adapters
- Premium and Compact series PLCs with Modbus Plus ports
- Third-party devices with Modbus Plus interface cards
When planning your network topology, ensure total node count per segment does not exceed Modbus Plus specifications. Contact our technical team for topology review assistance.
Our Quality Assurance Process
At Konmask.com, every unit of the 490NRP25400 passes through a rigorous multi-stage quality process before shipment:
- Source Verification: Units are sourced exclusively from authorized distributors, certified surplus channels, or directly from Schneider Electric supply chains.
- Visual Inspection: Each unit is inspected for physical damage, counterfeit indicators, and label authenticity.
- Functional Testing: Where applicable, units undergo power-on and communication integrity testing.
- Traceability: Lot numbers and date codes are recorded for full supply chain traceability.
- Secure Packaging: Anti-static packaging with moisture barrier protection ensures safe transit.
How to Order
- Submit your inquiry via the Contact / RFQ form on this page or email support@konmask.com.
- Provide your required quantity, delivery timeline, and destination country.
- Our team will respond within 1 business day with availability, lead time, and a formal quotation.
- Upon PO confirmation, we arrange secure packaging and international shipping with full documentation (commercial invoice, packing list, COO).
We support T/T bank transfer, L/C, and other B2B payment terms. MOQ is flexible — single units and bulk orders are both welcome.
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on PLC, DCS, and automation hardware — not a generalist marketplace.
- Global B2B Supply: Serving system integrators, OEMs, and end-users across Asia, Europe, the Middle East, and the Americas.
- Competitive Pricing: Direct sourcing relationships enable us to offer market-competitive pricing on both new and surplus stock.
- Technical Support: Our team includes engineers with hands-on experience in Schneider Electric Quantum and Modbus Plus systems.
- Fast Response: RFQ responses within 24 hours; expedited shipping available for urgent requirements.
- Trusted Track Record: Hundreds of B2B clients across 30+ countries rely on Konmask.com for critical automation components.
Frequently Asked Questions
Q: What is the maximum number of repeaters I can use on a Modbus Plus network?
A: Modbus Plus allows up to 3 repeaters in series between any two nodes, enabling networks to span very large distances. Each repeater creates a new segment. Consult Schneider Electric’s Modbus Plus Planning and Installation Guide for detailed topology rules.
Q: Is the 490NRP25400 compatible with all Modbus Plus devices?
A: Yes. As a transparent repeater, it is compatible with all Modbus Plus-compliant devices regardless of manufacturer, including Schneider Electric Quantum, Premium, Compact, and Momentum platforms, as well as third-party MB+ devices.
Q: Does the repeater require any software configuration?
A: No. The 490NRP25400 is a hardware-only device that operates transparently on the network. No address assignment or software configuration is required.
Q: Can Konmask.com provide a certificate of conformity or test report?
A: Yes, upon request we can provide available documentation including certificates of conformity, inspection reports, and traceability records.
Q: What is your lead time for the 490NRP25400?
A: Lead time depends on current stock levels. Please submit an RFQ for real-time availability. In-stock units typically ship within 3–5 business days internationally.
Q: Do you accept returns or offer a warranty?
A: We offer a limited warranty on all units. Terms vary by product condition (new vs. surplus). Please review our warranty policy or contact us for details specific to your order.
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