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Yokogawa NFLR121-S50 Serial Communication Module

Yokogawa NFLR121-S50 Serial Communication Module

  • 1000 Sandėlyje
  • Manufacturer: Yokogawa

  • Product No.: NFLR121-S50

  • Condition: Sandėlyje

  • Product Type: Serial Communication Module

  • Product Origin: Japan

  • Payment:T/T, Western Union

  • Weight: 300g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Aprašymas

Overview

The Yokogawa NFLR121‑S50 is a high-reliability serial communication module engineered for FCN autonomous controllers. It provides two fully isolated RS‑422/RS‑485 ports, ensuring stable multipoint communication across industrial networks. Supporting both half-duplex and full-duplex transmission, this module accommodates a wide range of baud rates and long-distance cabling requirements, making it ideal for PLC integration and distributed control systems.

Key Features

  • Dual RS‑422/RS‑485 ports with electrical isolation

  • Supports half-duplex and full-duplex modes

  • Flexible baud rates: 0.3 kbps to 115.2 kbps

  • Transmission formats: ASCII and Binary

  • Character length options: 7 or 8 bits, with 1 or 2 stop bits

  • Parity selection: None, Even, or Odd

  • Maximum cable length: up to 1200 m for RS‑422/RS‑485 networks

  • Robust industrial design with reliable long-term performance

Technical Specifications

Interface & Communication

Parameter Specification
Model NFLR121‑S50
Port Type 2 × RS‑422/RS‑485
Communication Half-duplex / Full-duplex
Connection Multipoint
Sync Method Start-stop synchronization
Transmission ASCII / Binary
Character Length 7 or 8 bits
Stop Bits 1 or 2
Parity None / Even / Odd
Baud Rates 0.3, 1.2, 2.4, 4.8, 9.6, 14.4, 19.2, 28.8, 38.4, 57.6, 76.8, 115.2 kbps
Max Distance Up to 1200 m (RS‑422/RS‑485)

Physical & Environmental

Parameter Specification
Module Size Standard FCN module dimensions
Weight 0.3 kg
Operating Temp 0–55 °C
Storage Temp −20–70 °C
Humidity 10–90 % RH, non-condensing

Functional Overview

The NFLR121‑S50 enables reliable serial communication for PLCs, analyzers, and field devices. Its isolated ports protect against electrical interference, and its versatile configuration supports both legacy and modern serial equipment. The module is fully compatible with Yokogawa STARDOM FCN controllers and distributed control networks.

Applications

  • Serial communication with PLCs and controllers

  • Instrument and analyzer data interfacing

  • Distributed control system (DCS) integration

  • Multipoint RS‑485 industrial device networks

FAQ / Engineer Insights

Q: Can this module communicate with standard PLCs?
A: Yes, the NFLR121‑S50 is fully compatible with standard RS‑422/RS‑485 PLC interfaces.

Q: What is the maximum cable length supported?
A: Up to 1200 m for RS‑422/RS‑485, depending on baud rate and cable type.

Q: Are both full-duplex and half-duplex modes supported?
A: Yes, both modes are configurable to match network requirements.

Q: Can it handle mixed ASCII and binary data?
A: Yes, the module supports both ASCII and binary transmission.

Q: Are there similar modules for comparison?
A: The NFLR122-S50 offers additional port isolation and higher throughput, while the NFLR121-S50 emphasizes flexible baud rates and long-distance communication.

Savybės

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