4 ports Serial Device Converter, Serial RS232/RS485/RS422 to Ethernet Converter

USR-N540 - 4 Serial port RS232 RS485 RS422 Ethernet Converter. It supports Modbus RTU to Modbus TCP.

  • 4 serial port: RS-232/422/485 which works independently at the same time
  • Power 5V~36V, anti-reverse connection, anti-surge, anti-pulse
  • ESD 8KV Protection on Serial/Etherent port
General Details

Introduction of 4 ports Serial Ethernet Converter

USR-N540, 4 serial port Ethernet converter which can realize transparent transmission between TCP/UDP data package and RS232/RS485/RS422 interface.

N540 Update

Character of USR-N540 Serial Ethernet Converter

Industrial SolutionTI Cortex M4 Solution, -40~85C
Web ServerWeb socket/ Web to Serial
Modbus GatewayModbus RTU to Modbus TCP / Modbus Pollinig
Flow ControlCTS/RTS, XON/XOFF
ProtectionWatchdog circuit, never cash
ESD 8KV
Anti-surge
NetworkNetwork Printing
2 network links, each serial support sending data to two servers

Feature of 4 ports Serial Ethernet Converter

  • TI Cortex-M4 kernel,industrial working temperature range and TCPIP protocol stack.
  • Auto-MDI/MDIX,RJ45 port with 10/100Mbps
  • TCP Server,TCP Client,UDP Client,UDP Server and HTTPD Client work mode
  • 4 ports can work independently at the same time
  • Can distinguish which serial port connects to the device via port number
  • Support virtual serial port and provide corresponding software USR-VCOM
  • Serial baud rate from 600bps to 230.4K bps
  • DNS and DHCP supported
  • Provide PC TCP/IP socket programming example such as VB,C++,Delphi,Android and IOS
  • Built-in webpage;also can customize webpage for users
  • The global unique MAC address bought from IEEE (begin with D8-B0-4C);user can define MAC address
  • Support upgrade firmware via network
  • Support keepalive,rapidly detect dead links
  • Support account and password,can be used to page login and network settings
  • Support one channel Websocket,realize bidirectional transparent transmission between webpage and serial 0
  • Support Modbus RTU to Modbus TCP
  • Support UDP broadcast function
  • Each serial can work as rs232,rs485 or rs422; Default port is RS232 BD9 male port
  • Four channel serial communication indicator: TX/RX, CTS/RTS, XON/XOFF
  • Support DC adapter and 5.08-2 terminal power supply
  • Reload button,one key to restore default settings
  • RJ45 with Link/Data indicator light,built-in isolation transformer and 2 KV electromagnetic isolation

Serial Port of  Serial Ethernet Converter (Default Port: RS232 DB9 male port)

540-2

Application Field of 4 ports Serial Device Servers

  • Industrial data transmission, industrial automation
  • security and protection monitoring, public security
  • Smart home, power control, environmental monitoring, intelligent agriculture
  • Door check on work attendance system, POS system, rice selling system
  • Building automation system, power monitoring, self-service banking system, telecom machine room monitoring
Parameter
System Information
ProcessorCortex-M4
Basic Frequency120MHz
Flash512K byte
Ethernet
Port Number1
Interface Standard8 pin RJ45
Rate10/100 Mbps, MDI/MDIX, auto switch between cross and direct connection
Protection2KV electromagnetism isolation, shell insulation blocking
Network ProtocolIP,TCP,UDP,DHCP,DNS,HTTP,ARP,ICMP,Web socket,Httpd client
Receive BufferMax 16k bytes buffer
Serial
Port Number4 (Each port can work as RS-232,RS-485 and RS-422, can work at the same time)
Interface StandardRS-232: DB9 pin type, RS-485: 2 wire (A+,B-), RS-422 (A,B,Y,Z)
Data Bits5,6,7,8
Stop Bit1,2
Check BitNone,Even,Odd,Space,Mark
Baud Rate600bps ~ 230.4Kbps
Flow ControlRTS/CTS XON XOFF
BufferSend and receive 2k bytes respectively
ProtectionRS-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)
ConfigurationBuilt-in webpage, computer set-up software, serial command
Basic Parameter
Size222 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 VoltageDC 5 ~ 36V
Working Current53mA @ 12V
Power<1W
More
CertificateCE,FCC,ROHS
Warranty2 years
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