NW-RR85-001 Schneider Electric Bridge Communication Module IP20 -25 ° C To+70 ° C

NW-RR85-001 Schneider Electric Bridge Communication Module IP20 -25 ° C To+70 ° C

1. Product Overview
The NW-RR85-001 is a DIN rail-mounted serial-to-fieldbus converter from Schneider Electric, designed specifically for Modicon, TeSys, and other Schneider Electric systems. It converts RS-485 Modbus RTU signals into reliable, isolated industrial signals, enabling easy integration into PLC, SCADA, and DCS networks. With an operating temperature range of -25°C to +70°C and an IP20 protection rating, this module is designed for continuous 24/7 operation in harsh environments such as factories, power plants, and infrastructure facilities.

2. Key Features and Advantages
- Multi-protocol support: Supports Modbus RTU master/slave mode, ASCII mode, and transparent mode; automatically detects baud rates from 9600 to 115200 bps
- Isolated RS-485 port: 2-wire + shielded cable; connects up to 32 nodes without a repeater; maximum cable length of 1200 meters at 19200 bps
- Plug-and-play diagnostics: Three-color LED indicator shows transmit/receive, collision, and error status; Schneider Electric "Data Suite" configuration wizard simplifies commissioning
- Wide power supply range: 20.4-28.8 V DC (rated 24 V), power consumption < 2 W, reverse polarity protection
- Hot-swappable: Can be replaced without disconnecting power when used with Schneider Electric STB or M340 frames
- Reliability certifications: CE, UL 508, CSA, C-Tick, RoHS; Vibration resistance 2g, Shock resistance 15g; MTBF ≥ 300,000 hours

3. Technical Specifications
| Product Number | NW-RR85-001 |
| Mounting Method | 35 mm DIN rail (EN 60715) |
| Dimensions (H×W×D) | Dimensions: 90 × 23.5 × 73 mm |
Weight: approx. 95 g |
Operating Temperature: -25…+70 °C |
Storage Temperature: -40…+85 °C |
Relative Humidity: 5-95% Relative Humidity (non-condensing) |
Maximum Altitude: 2000 m |
Connector: Removable 5.08 mm pitch screw terminal |
Baud Rate: 1.2–115.2 kbps (DIP switch or software setting) |
Address: 1-247 (Rotary switch + software setting) |
Isolation Voltage: 500 V DC (port to logic circuit) |

4. Typical Applications
- Water and wastewater treatment SCADA remote I/O
- Integrated solutions for control panels with TeSys starters and Altivar drives
- HVAC BMS gateway for chillers, fan coil units, and rooftop AC units
- Solar tracking system and wind turbine monitoring
- Modular equipment upgrades for Modbus communication distances exceeding 500 meters

5. Product Includes
- 1 x NW-RR85-001 communication module
- 1 x Quick-connect terminal block (3-pin)
- 1 x Multilingual Quick Start Guide (PDF download link included in the package)

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