The Schneider Electric 490NRP25300 is a dedicated fiber optic repeater engineered to extend the reach of Modbus Plus networks within the Modicon Quantum and Premium automation ecosystems. By converting standard RS-485 copper signals into fiber optic transmissions, this module facilitates long-range communication while providing complete galvanic isolation. It is an essential component for industrial facilities where long cable runs, high electromagnetic interference (EMI), or ground potential differences threaten network reliability.
| Model | 490NRP25300 |
| Brand | Schneider Electric |
| Module Type | Modbus Plus Fiber Optic Repeater |
| Fiber Compatibility | Multimode 62.5/125 um or 50/125 um |
| Connectors | 1 x Sub-D 9 (Copper), 2 x ST (Fiber TX/RX) |
| Wavelength | 820 nm |
| Input Voltage | 24 VDC (19.2 to 30 VDC range) |
| Power Consumption | 200 mA @ 24 VDC |
| Operating Temperature | 0 to 60 deg C |
| Storage Temperature | -40 to +85 deg C |
No, this module is specifically designed for use with multimode fiber (62.5/125 um or 50/125 um) at an 820 nm wavelength.
The module carries certifications including UL, CSA, CE, and FM Class I Div 2, making it suitable for many demanding industrial environments. Always verify specific site requirements against the device's documentation.
The unit requires an external 24 VDC power supply, typically sourced from the industrial control cabinet's power distribution system.
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