N520

2 Serial port RS232/485/422 Ethernet Converter, Serial to Ethernet TCP/IP Converter
  • Description

    Introduction of 2 ports RS232/485/422 Serial Device Servers

    N520 is a double serial device server, which can realize transparent transmission between TCP/UDP data package and RS232/RS485/RS422 interface. The device has unique functions such as network printing,Modbus multi-host polling and watchdog mechanism. N520 is based on ARM processor and it is internally integrated with TCP/IP protocol. User can easily realize embedded device networking.

    Features of 2 ports RS232/485/422 Serial Device Servers

    • 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
    • Support network printing
    • Support Modbus multi-host polling
    • Two ports can work independently at the same time
    • Support Modbus RTU to Modbus TCP
    • 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;Check bit of None,Odd,Even,Mark and Space
    • 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
    • Reload button,one key to restore default settings
    • RJ45 with Link/Data indicator light,built-in isolation transformer and 2 KV electromagnetic isolation
    • 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
    • Two serial ports;each serial can work as rs232,rs485 or rs422;DB9 female;provide rs485/rs422 converter
    • Two channel serial communication indicator: TX/RX
    • Support DC adapter and 5.08-2 terminal power supply
    • Support UDP broadcast function

    Simple Transparent transmission

    • Transparent transmission means that whatever is transferred, our device plays the role of a channel and sends data to the target without modification. On-site monitoring equipment sends data to Serial Device Servers transparent data transmission terminal by itself port, the terminal CUP receives data by serial port and package data.

    Various parameter setting method

    • Software Settings
      Download settings software, search related Serial Device Servers in the LAN through the serial port server IP, name, MAC address, or the version number. Then set the parameters you need, otherwise keep the default.
      Web-page Settings
    1. Open your browser and inter the default IP address of the Serial Device Servers.
    2. Open the login page of Serial Server, Enter the user name and password (default admin).
    3. After setting parameter, Click Save and Restart, then setting will take effect.

    Serial AT commands Settings
    User can set parameter by module itself without going through another computer to configure. This setting method is used in the following situation: user have to configure IP address and destination IP address on site. AT command can meet the demand. After MCU connects serial server module by TTL (UART), MCU can configure setting by AT command.

    Application Field of 2 ports RS232/485/422 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

    Application of Serial Device Server

  • Product Specification

    System Information
    Processor Cortex-M4
    Basic Frequency 120MHz
    Flash 512K byte
    Ethernet
    Port Number 1
    Interface Standard 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, Websocket, HTTPD Client
    Receive Buffer Max 16k bytes buffer
    Serial
    Port Number 2 (RS232/485/422*2), 2 serial ports can simultaneously work at the different working modes.
    Interface Standard RS-232: TX/RX/RTS/CTS
    RS-485: A+/B-
    RS422: TX+/TX-/RX+/RX-
    Data Bits 5, 6, 7, 8
    Stop Bit 1, 2
    Check Bit None, Even, Odd, Space, Mark
    Baud Rate 600 bps ~ 230K bps
    Flow Control RTS/CTS/Xon/Xoff
    Buffer Send and receive 2k bytes respectively
    Protection ESD protection, anti-surge
    SocketA
    Transparent Transmission Mode TCP Server/TCP Client/UDP Server/UDP Client
    Supported Function Networking printing, Modbus Gateway, USR-Cloud, self-defined registration package, self-defined network and serial heartbeat package
    SocketB TCP Client/UDP Client
    Software
    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 150 x 79 x 30 mm
    Operating Temp. -40 ~ 85°C
    Storage Temp. -45 ~ 105°C, 5 ~ 95% RH
    Input Voltage DC 5 ~ 36V
    Working Current 95mA (aver) @ 5V
    45mA (aver) @ 12V
    Power <1W
    More
    Certificate CE, FCC, ROHS, KCC and WEEE pending
    Warranty 2 years
    Accessory 12V power supply, serial line, cable, converter
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