ABB NTRL03 Remote Link Termination Unit

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• • 1. Product Overview

    The ABB NTRL03 is a Remote Link Termination Unit used for terminating remote communication links in ABB industrial automation systems. It ensures stable signal transmission, prevents signal reflection and interference, and improves the reliability of remote monitoring and control systems. The NTRL03 is compact, easy to install, and suitable for harsh industrial environments.

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    2. Detailed Technical Specifications

    • Model: NTRL03

    • Type: Remote Link Termination Unit

    • Interface Type: RS-485 / RS-422 / Industrial Ethernet

    • Termination Resistor: 120 Ω, selectable ON/OFF

    • Data Transmission Rate: Up to 10 Mbps (depending on network type)

    • Operating Voltage: DC 24 V

    • Operating Temperature: –25 ℃ to +70 ℃

    • Protection Class: IP20

    • Mounting: DIN rail or panel

    • Standards & Certification: IEC 61158, CE

    • Applicable Systems: PLCs, DCS systems, and industrial automation networks

    • Status Indicator: LED displays link status

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    3. Advantages & Features

    • High signal stability: termination resistor prevents reflection, improving data reliability

    • Industrial durability: heat-resistant, vibration-resistant, suitable for harsh environments

    • Multi-interface compatibility: supports RS-485, RS-422, and industrial Ethernet

    • Easy installation: DIN rail or panel mount

    • Maintenance-friendly: LED status indicators for easy troubleshooting

    • Enhances system reliability: ensures stable communication for remote monitoring and automation

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    4. Typical Application Areas

    • Industrial automation control systems

    • Remote communication terminals for PLC and DCS systems

    • Industrial Ethernet and fieldbus networks

    • Energy management and distribution automation

    • Industrial remote monitoring and data acquisition

    • Robotics and production line communication networks

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    5. Precautions & Installation Notes

    • Verify network type and termination resistor settings before installation

    • Ensure proper connection to bus or Ethernet interfaces

    • Avoid installation in high temperature, humidity, or high EMI environments

    • Regularly check LED indicators and link connection status

    • Avoid mechanical impact during installation

    • Follow industrial network wiring and grounding standards

    • Do not exceed rated voltage and current during operation

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The structure and details of the product：

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