MG-120 – 2-port RS232/422/485 Modbus Gateway

PLANET MG-120 2-port RS232/422/485 Modbus Gateway supports the standard Modbus Protocol, which makes it possible for converting any Modbus Protocols between Modbus TCP, Modbus RTU, and Modbus ASCII for all supported hardware interfaces. Its serial protocol can be used for industrial automation where SCADA or HMI system is in place.

Moreover, its network integration can be upgraded from the SNMP network to the automated Modbus TCP network, which brings interconnection over Ethernet longer distances, thus making a network infrastructure more flexible.

Artikel: MG-120

MG-120 Datablad

Serial Interface

  • Two DB9 interfaces support RS232, 2-wire RS485, 4-wire RS485 and RS422 standards
  • Asynchronous serial data rates up to 921600bps


Ethernet Interface

  • 1-port 10/100BASE-TX RJ45 with auto MDI/MDI-X function


Management Function

  • Built-in IP-based Web interface and telnet interface for remote management
  • Software Protocol supports Modbus TCP, Modbus RTU, Modbus ASCII, IP, ARP, DHCP and DNS
  • Supports RTU Master, RTU Slave, ASCII Master, and ASCII Slave four serial operation modes via management interface
  • Master mode supports 32 TCP slave connection requests
  • Slave mode supports 32 TCP master connections
  • PLANET Modbus Gateway utility for finding client device on the network
  • PLANET Smart Discovery utility automatically finds the client devices on the network
  • Firmware upgrade/configuration backup and restore via HTTP protocol


Case and Installation

  • -10 to 60 degrees C operating temperature
  • Reset button for resetting to factory default
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