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Serial to Ethernet Converter USR-N510-H7-4


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1 Port Serial to Ethernet Converter


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Serial to Ethernet Converter USR-N510-H7-4 Introduction

Serial to Ethernet Converter USR-N510-H7-4 is a 1 port RS485 Ethernet device servers that can realize bi-directional transparent transmission between RS485 and network.

  • 1-port 485 Ethernet device servers.
  • Power supply accepts wide voltage input range DC 5-36V.
  • Modbus Gateway: Modbus RTU to Modbus TCP, Modbus Polling.
  • Support flow control XON/XOFF.
  • Configuration via Web Server page, AT commands, and Windows Utility.
  • MQTT/SSL/Modbus RTU to JSON/SNMP/Telnet/Edge Computing.

Basic Function USR-N510-H7-4

  • Scheme upgrade to provide better experience – Master chip adopts ST crotex-M7 core, the main frequency is up to 400Mhz, fast processing speed, high stable and reliable performance.
  • Multiple hardware protection – EFT-IEC61000-4-4 Level 3(+-2KV), ESD-IEC61000-4-2 Level 4(air+-15KV contact+-8KV)
  • Redundant Power Supply – wide input voltage DC 5-36V, with reverse polarity protection.
  • Modbus gateway – Support mod bus RTU and mod bus TCP protocol conversion, Support mod bus multi-host polling.

Comparison of new and old schemes

Item New Version Old Version
CPU Architecture ST Cortex M7 TI Cortex M4
Frequency 400MHz 120MHz
Log Support None
Maximum Clients 16 8
Data Bits 7,8 5,6,7,8
Parity Bits Odd, Even Odd, Even, Mark, Space
UDP Multicast Support None
Custom Web Page Customized through USRIOT Software Package
Firmware Upgrade Web Page, Setup Software Setup Software
Web Socket Serial Port 1, LOG Port, Close Serial port 1
Grounding Screw Support No


SKU: USR-N510-H7-4 Categories: , ,
System Information
Processor ST Cortex-M7
Basic Frequency 400MHz
Flash 128K+4M byte
Port Number 1
Interface Standard 8 pin RJ45
Rate 10/100 Mbps, MDI/MDIX, auto switch between cross and direct connection
Protection 2KV electromagnetism isolation, shell insulation blocking
Network Protocol IP,TCP,UDP,DHCP,DNS,HTTP,ARP,ICMP,Web socket,Httpd client
Receive Buffer Max 16k bytes buffer
Port Number 1
Interface Standard RS-485: 2 wire (A+,B-) Half-Duplex
Data Bits 7,8
Stop Bit 1,2
Check Bit Even,Odd
Baud Rate 600bps ~ 921600Mbps
Flow Control XON/XOFF
Buffer Send and receive 4k bytes respectively
Protection RS-485: anti-static 2KV,lightning protection
RS-485 Pull-up and Pull-Down Resistor 2.2 KΩ
Virtual Serial(USR-VCOM) Windows 2000 or higher(32 bit/64 bit)
Configuration Built-in webpage, computer set-up software, serial command
Basic Parameter
Size 88 x 81 x 24 mm
Operating Temp. -40 ~ 85°C (industry)
Storage Temp. -40 ~ 85°C, 5 ~ 95% RH (no condensation)
Input Voltage DC 5 ~ 36V
Working Current 53mA @ 12V
Power <1W



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