Product Overview The Yokogawa NFLR121-S50 is a 2-port RS-422/RS-485 communication module designed for Yokogawa STARDOM FCN/FCJ systems. It delivers reliable serial communication with baud rates ranging from 300 bps up to 115.2 kbps, enabling stable data exchange between controllers and field devices. Ordering Information Breakdown Model: NFLR121-S50 NFLR121: 2-port RS-422/RS-485 Communication Module S: Standard Type 5: No explosion protection 0: Basic Type Note: For explosion-protection product selection, please refer to the official STARDOM FCN/FCJ Installation Guide (TI 34P02Q91-01E). Key Features Dual communication ports: RS-422 / RS-485 interface Baud rate range: 300 bps ~ 115.2 kbps Standard type, basic version, no explosion protection Compatible with Yokogawa STARDOM FCN / FCJ controllers Stable serial data transmission for industrial automation applications Applications This Yokogawa NFLR121 communication module is widely used in process industries for connecting STARDOM controllers to remote field instruments, sensors and third-party equipment via RS422/RS485 serial bus. Suitable for oil & gas, chemical, water treatment and power plant automation projects.
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