USR-N540-H7-4 Serial to Ethernet Converter | 4-Port Industrial Serial Device Server | USR IoT
PUSR
USR-N540-H7-4 Serial to Ethernet Converter | 4-Port RS485 to Ethernet Device Server | USR IOT
The USR-N540-H7-4 is a high-performance 4-port RS485 to Ethernet converter designed by USR IOT for industrial-grade networking applications. It enables bi-directional transparent transmission between RS485 serial devices and Ethernet networks, ensuring seamless data communication in automation and IoT environments.
Equipped with an ARM Cortex-M7 core running at 400MHz, the USR-N540-H7-4 delivers fast processing speed, enhanced stability, and reliable performance for critical applications. It supports multiple protocols including Modbus RTU to Modbus TCP, Modbus Polling, and Modbus to JSON, making it a versatile solution for system integration.
Key Features:
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4 independent RS485 ports (supports RS232/RS485/RS422 selectable).
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Wide voltage input (DC 5–36V) with reverse polarity and redundant power protection.
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Supports TCP Server, TCP Client, UDP, and HTTPD Client modes.
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Advanced security protocols including SSL/TLS encryption, TCPS, HTTPS, and MQTTS.
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Hardware watchdog for automatic recovery and stable operation.
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Built-in edge computing and Modbus RTU Master support.
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Flow control (XON/XOFF) for efficient data transmission.
Applications:
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EV charging pile systems
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Industrial automation and control
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Smart weighing solutions (unattended systems)
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IoT and remote monitoring networks
The USR-N540-H7-4 RS485 to Ethernet Converter is the ideal choice for industries that demand secure, reliable, and high-speed serial-to-Ethernet communication.
