• MGate MB3180/MB3280/MB3480 Series

1, 2, and 4-port standard serial-to-Ethernet Modbus gateways

Features and Benefits

  •  Supports Auto Device Routing for easy configuration
  •  Supports route by TCP port or IP address for flexible deployment
  •  Converts between Modbus TCP and Modbus RTU/ASCII protocols
  •  1 Ethernet port and 1, 2, or 4 RS-232/422/485 ports
  •  16 simultaneous TCP masters with up to 32 simultaneous requests per master
  •  Easy hardware setup and configuration


    The MB3180, MB3280, and MB3480 are standard Modbus gateways that convert between Modbus TCP and Modbus RTU/ASCII protocols. Up to 16 simultaneous Modbus TCP masters are supported, with up to 31 RTU/ASCII slaves per serial port. For RTU/ASCII masters, up to 32 TCP slaves are supported.

    • 10/100BaseT(X) Ports (RJ45 connector)


      1 (Auto MDI/MDI-X connection)

    • Magnetic Isolation Protection


      1.5 kV (built-in)

    • Industrial Protocols


      Modbus TCP Client (Master), Modbus TCP Server (Slave)

    • Configuration Options


      Web Console (HTTP), Device Search Utility (DSU), MGate Manager, Telnet Console

    • Management


      ARP, DHCP Client, DNS, HTTP, HTTPS (MGate MB3180 Excluded), SMTP (MGate MB3180 Excluded), SNMP Trap (MGate MB3180 Excluded), SNMPv1/v2c/v3, TCP/IP, Telnet, UDP, NTP Client (MGate MB3180 Excluded)

    • MIB


      RFC1213, RFC1317

    • Time Management


      NTP Client (MGate MB3180 Excluded)

    • No. of Ports


      MGate MB3180: 1
      MGate MB3280: 2
      MGate MB3480: 4

    • Connector


      DB9 male

    • Serial Standards


      RS-232/422/485 (software selectable)

    • Baudrate


      50 bps to 921.6 kbps

    • Data Bits


      7, 8

    • Parity


      None, Even, Odd, Space, Mark

    • Stop Bits


      1, 2

    • Flow Control


      DTR/DSR, RTS Toggle (RS-232 only), RTS/CTS

    • RS-485 Data Direction Control


      ADDC® (automatic data direction control)

    • Pull High/Low Resistor for RS-485


      1 kilo-ohm, 150 kilo-ohms

    • Terminator for RS-485


      MGate MB3180: None
      MGate MB3280/MB3480: 120 ohms

    • RS-232


      TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND

    • RS-422


      Tx+, Tx-, Rx+, Rx-, GND

    • RS-485-2w


      Data+, Data-, GND

    • RS-485-4w


      Tx+, Tx-, Rx+, Rx-, GND

    • Industrial Protocols


      Modbus RTU/ASCII Master, Modbus RTU/ASCII Slave

    • Max. No. of Client Connections



    • Max. No. of Server Connections



    • Input Voltage


      12 to 48 VDC

    • Input Current


      MGate MB3180: 200 mA @ 12 VDC
      MGate MB3280: 250 mA @ 12 VDC
      MGate MB3480: 385 mA @ 12 VDC

    • Power Connector


      MGate MB3180: Power jack
      MGate MB3280/MB3480: Power jack and terminal block

    • Housing



MGate MB3180/MB3280/MB3480 Series

  • Brand: MOXA
  • Product Code: MGate MB3180/MB3280/MB3480 Series
  • Availability: Please email - info@cayee.com.hk