Skip to main content
  • $154.70
  • Free 30-day Returns
  • Ships from China.
    Price alert
    Shop it at NeweggBusiness.

    AJMRTC USR-N520 H7 Version Dual Serial Port Serial Device Server, RS232 RS485 RS422 to Ethernet IoT Gateway, Modbus RTU to MQTT Converter with Modbus Multi-Host Polling for Industrial Automation

    • - Dual independent serial ports, each configurable for RS232, RS485 or RS422 and run simultaneously
    • - Supports Modbus RTU to Modbus TCP conversion, built-in multi-host polling function
    • - Native MQTT client for uploading serial Modbus data to IoT cloud platforms, with SSL/TLS encryption
    • - 10/100Mbps isolated Ethernet RJ45 port, supports TCP Server, TCP Client, UDP, HTTP client modes
    • - Industrial wide DC 5-36V power supply, wide temperature range, watchdog and keepalive for stable links
    +
    +
    Overview
    Specs
    Reviews

    Any questions? Ask CelesteSM will help you find out quickly.

    AJMRTC USR-N520 H7 industrial IoT gateway converts RS232, RS485 or RS422 serial signals into Ethernet network data. It features two independent configurable serial ports and powerful Modbus gateway capability, supporting multi-host polling to serve multiple master hosts at the same time. It supports MQTT protocol for connecting Modbus field devices to cloud servers, ideal for remote monitoring and data collection. It comes with web configuration page, AT commands and PC configuration tool. The 2KV isolation Ethernet and ESD serial protection make it suitable for PLC, energy meters, sensors and workshop industrial control systems.


    Specifications:

    1. Brand: AJMRTC
    2. Model: USR-N520 H7 Version
    3. Serial Ports: 2 ports, each selectable RS232 / RS485 / RS422
    4. Ethernet: 10/100Mbps RJ45, 2KV electromagnetic isolation
    5. Supported Protocol: MQTT, TCP, UDP, HTTP, Modbus RTU, Modbus TCP
    6. Special Function: Modbus Multi-Host Polling, Modbus to MQTT Gateway
    7. Baud Rate: 300bps ~ 921600bps
    8. Power Input: DC 5V ~ 36V, reverse polarity protection
    9. Operating Temperature: -40 ~ 85
    10. Configuration: Web Page, AT Command, PC Configuration Software
    11. Protection: Serial ESD protection, Hardware Watchdog, Keepalive
    12. Mounting: Wall mount / DIN rail optional
    13. Application: Industrial IoT, PLC, smart meter, sensor data acquisition


    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
    • CONTACT

    Return Policies

    Manufacturer Contact Info

    LOADING...