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Triple Serial TTL UART to Ethernet TCP/IP Module With New Cortex-M4 Kernel

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  • Triple Serial TTL UART to Ethernet TCP/IP Module With New Cortex-M4 Kernel

    This is a serial TTL to Ethernet module, used for data transparent transmission. USR-TCP232-ED2 is a triple serial ethernet module, which supports 3*TTL working at the same time. It is based on Cortex-M4 solution and its basic frequency is up to 120MHz. And the internal of the module integrates TCP/IP protocol stack.

    Features of Modbus TCP to Ethernet IP Modules

    • 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
    • Multi-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 1024K 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 web page; also can customise web page 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, realise bidirectional transparent transmission between web page and serial 0
    • Support Modbus RTU to Modbus TCP
    • Support UDP broadcast function

    Application Field of Modbus TCP to Ethernet IP Modules

    • 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

    Various parameter setting method

    Software Settings
    Download settings software, search Ethernet Modules 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 enter the default IP address of the Ethernet Modules.
    2. Open the login page of Serial Server, Enter the username and password (default admin).
    3. After setting parameter, Click Save and Restart, then setting will take effect.

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


      System Information
      Processor Cortex-M4
      Basic Frequency 120MHz
      Flash 512K byte

      Port Number 1
      Interface Standard 4 pin interface (with network transformer) TX+, TX-, RX+, RX-
      Rate 10/100 Mbps, MDI/MDIX,, auto switch between cross and direct connection
      Protection 1.5KV electromagnetism isolation
      Network Protocol IP, TCP, UDP, DHCP, DNS, HTTP, ARP, ICMP, Web socket, Httpd client
      Receive Buffer Max. 16k bytes buffer

      Port Number 3 (3*TTL, can work at the same time)
      Interface Standard TTL: 2.54 pin 3.3V
      Data Bits 5, 6, 7, 8
      Stop Bit 1, 1.5, 2
      Check Bit None, Even, Odd, Space, Mark
      Baud Rate 600 bps ~ 1024K bps
      Flow Control RTS/CTS
      Buffer Send and receive 2k bytes respectively
      RS-485 Pull-up and Pull-Down Resistor Null, reserved 485 send-receive control pin

      Virtual Serial(USR-VCOM) Windows 2000 or higher (2 bit/64 bit)
      Configuration Built-in webpage, computer set-up software, serial command

      Basic Parameter
      Size 44.45 x 31.75 x 15.4 (mm) (including pin)
      Operating Temp. -40 ~ 85°C(industry)
      Storage Temp. -40 ~ 105°C, 5 ~ 95% RH
      Input Voltage DC 3.3 / 5 V
      Working Current 120mA @ 3.3V
      120mA @ 5V
      Power <1W

      User Manual

      [User Manual] USR-TCP232-ED2 Hardware Manual | download
      [AT Command] USR-TCP232-ED2 AT Command Set | download
      [Datasheet] USR-TCP232-ED2 Datasheet | download
      [FAQ] TCP Series Product FAQ | download
      [User Manual] M4 Series Product User Manual | download
      [Selection Table] Ethernet Module Selection Table | download

      Development File

      [PCB Library] TCP Series Product PCB Library File | download
      [Editable Webpage] E45 M4 Series&K3 Editable Webpage | download
      [Application Note] TCP Series Application Note | download
      [Demo Code] TCPIP Demo Code | download
      [Config Protocol] E45&M4 Series Config Protocol V1.4 | download

      Application Software

      [USR-VCOM] Virtual Serial Software V3.7.1.520 | download
      [USR-TCP-Test] Testing Software | download
      [USR-TCP-Test_android] Testing Software | download
      [USR-M4] USR-TCP232-M4K3 Setup Software V2.3.3.97 | download

      Product Certificates

      [Certificate] M4 Series CE FCC ROHS WEEE Certificate | download

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