Products Description
Phoenix Contact PSI-MOS-RS485W2 Media Converter Inquiry Item

Details
This Phoenix Contact PSI-MOS-RS485W2 is an industrial media converter for RS485 two-wire bus. It converts electrical RS485 signals into optical fiber signals to realize long-distance, anti-interference communication transmission. It supports Modbus RTU, SUCONET K protocol, maximum baud rate 500 kbps. It provides optical diagnosis and alarm contact function, effectively isolates ground loop interference, avoids lightning surge damage. Widely used in petrochemical, power and factory automation bus network transformation.
Specifications
Model: PSI-MOS-RS485W2 Brand: Phoenix Contact Signal conversion: RS485 2-wire <-> Fiber Max baud rate: 500 kbps Supported protocol: Modbus, SUCONET K Mounting: DIN rail Power supply: 24VDC Certifications: CE, UL, ATEX, IECEx
Components & Troubleshooting
RS485 transceiver chip, optical transmitting and receiving module, fault alarm circuit, status LED indicators, DIN rail plastic housing. Common faults: optical link break, RS485 signal no response, communication timeout, power failure alarm.
Disclaimer
This spare part shall be wired and configured by qualified communication technicians. Do not look directly into the optical port.