Product Introduction
When Modbus Plus network communication degrades due to long cable runs or signal interference, the Schneider NW-RR85-001 Modbus Plus Repeater Assembly provides reliable signal amplification. As part of the Modicon Quantum series from Schneider Electric, this industrial automation module ensures stable data transmission in demanding environments.
Technical Specifications Breakdown
The NW-RR85-001 is engineered for robust performance. Below are the key parameters derived from the product database, all directly from the manufacturer:
| Parameter |
Value |
| Brand (for NW-RR85-001) |
Schneider Electric |
| Product Line |
Modicon Quantum |
| Part Number |
NW-RR85-001 |
| Name |
Modbus Plus Repeater Assembly |
| Part Type |
Modbus Plus Electrical Repeater |
| Voltage Class |
100V |
| Voltage Range |
110–120V / 220–240V AC |
| Ports |
2 |
| Transmission Medium |
Coaxial Cable |
| Mounting Type |
Rack-Mounted |
| Length |
14.17 in. |
| Width |
10.71 in. |
| Depth |
4.8 in. |
The dual voltage range (110–120V or 220–240V AC) allows the NW-RR85-001 to adapt to different electrical infrastructures, reducing the need for additional power conversion equipment. Two coaxial ports ensure reliable connections for Modbus Plus networks.
Real-World Applications
In manufacturing plants with distributed control systems, the NW-RR85-001 extends the reach of Modbus Plus segments, maintaining signal integrity over long distances. For example, in a water treatment facility, this repeater connects remote I/O racks to the main PLC, minimizing downtime risks. Its rack-mountable design simplifies integration into existing control panels, supporting rapid deployment and scalability.
Installation & Setup Guidance
Mount the NW-RR85-001 in a standard 19-inch rack or enclosure using the provided hardware. Connect coaxial cables to both ports, ensuring proper termination and impedance matching. Verify the voltage selection jumper matches your site supply (110–120V or 220–240V AC) before powering on. No software configuration is required for basic operation.
Maintenance & Reliability
Periodically inspect coaxial connectors for corrosion or looseness. Keep the unit's ventilation slots clear of dust. With its robust construction and passive cooling, the NW-RR85-001 delivers long service life, reducing total cost of ownership. Schedule yearly checks of voltage levels to ensure consistent performance.
Selection Guide & Purchasing Advice
Before purchasing, verify your network topology requires a Modbus Plus repeater and that the NW-RR85-001 matches your voltage range. For professional assistance, contact PLC Source PRO (store: ubest101) to confirm compatibility with your existing Modicon Quantum components.