ICS
Intelligent Control Systems
Facility Automation and Security System Specialist
Facility Automation and Security Systems
4 X RS-485 to Ethernet Converter Model USR-504
USR-N540-H7-4 is a 4-port RS485 to ethernet Converters. USR IOT's RS485 to ethernet Converters USR-N540 can realize bi-directional transparent transmission between RS485 and network.
● 4-port RS485 Serial to Ethernet Converters
● Power supply accepts wide voltage input range DC 9-36V
● Support TCP server/client, UDP server/client,https client, Virtual COM
● Support Modbus RTU to Modbus TCP, Modbus Polling
● Support flow control XON/XOFF
● Support 4 RS-485 Ports to TCP/IP 10/100Base-T(X) self-adaptive Ethernet interface
● Configuration via Web Server page, AT commands, and Windows Utility
Specification
Processor ST Cortex-M7
Basic Frequency 400MHz
Flash 128K+4M byte
Ethernet Port Number1
Interface Standar d8 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,https,ARP,ICMP,Web
socket,httpsd client
Receive Buffer Max 16k bytes buffer
Serial Port Number 4 RS485 Ports, can work at the same time)
Interface StandardRS-485: 2 wire (A+,B-) half-duplex
Data Bits 7,8
Stop Bit 1,2
Parity Bit Even,Odd
Baud Rate 600bps ~ 921600 bps
Flow Control XON XOFF
Buffer Send and receive 2k bytes respectively
Protection RS-485: anti-static 2KV,lightning protection
RS-485 Pull-up and Pull-Down Resistor2.2 KΩ
Software Virtual Serial（USR-VCOM）Windows 2000 or higher(32
bit/64 bit)
Configuration Built-in webpage, computer set-up software, serial
command
Size 222 x 122 x 29 mm (including shell and terminals)
Operating Temp. -40 ~ 85°C (industry)
Storage Temp. -40 ~ 85°C, 5 ~ 95% RH (no condensation)
Input Voltage DC 9 ~ 36V
Working Current 53mA @ 12V
Power<1W
