Yokogawa NFLR121-S00 Serial Communication Module

Overview

The Yokogawa NFLR121-S00 is a dual-port serial communication module. It connects directly to FCN autonomous controllers in STARDOM and CENTUM VP systems. It transfers serial data reliably to sensors, actuators, and third-party controllers. This module supports flexible, high-speed communication while maintaining stable operation in industrial environments.

Technical Specifications

• Module Type: Serial Communication Module
• Interface Type: Dual-port RS-422 / RS-485
• Number of Ports: 2
• Communication Modes: Half-duplex and full-duplex
• Communication Speed: 0.3 to 115.2 kbps
• Transmission Code: ASCII / Binary
• Synchronization: Start-stop
• Character Length: 7 or 8 bits
• Stop Bit: 1 or 2 bits
• Parity Check: None / Even / Odd
• Maximum Transmission Distance: 1200 meters total
• Connector Type: D-sub 9-pin female (x2), Terminal block M4 screws (5 poles x2)
• Current Consumption: 500 mA
• Weight: 0.3 kg
• Operating Temperature: -10°C to +55°C
• Storage Temperature: -25°C to +70°C
• Humidity: 5% to 95% RH, non-condensing
• Mounting: DIN rail or modular rack