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