Modbus / EtherNet/IP Gateway




The GT100-EI-RS gateway enables seamless connectivity between Modbus RTU/ASCII devices and EtherNet/IP networks, with support for a wide range of PLCs and controllers including ControlLogix, CompactLogix, ABB, and Omron. This gateway features 1 RS232 serial port and 1 RS485 serial port, making it ideal for easy integration into a wide variety of applications.

 Technical Specification:

  • Asynchronous and independent between EtherNet/IP network and Modbus/Serial network.
  • Supports Modbus RTU and ASCII mode and connecting 32 Modbus devices.
  • Serial port supports Modbus mode or transparent transimission, which is suitable for some barcode scanner and RFID.
  • Supports ODVA standard EtherNet/IP communication protocol.
  • Supports RS485 or RS232 on serial interface, half duplex, baud rate: 1200,2400, 4800, 9600, 19200,38400, 57600, 115200 bps optional, check bit: None, odd, even, mark and space optional; 1 or 2 bit stop bit optional.
  • Acts as Modbus Master at Modbus side:
    • Supports function code 01H, 02H, 03H, 04H, 05H, 06H, 0FH, 10H
    • Supports at most 48 Modbus commands, Modbus function 03H, 04H, 06H, 10H support byte exchange function, convenient for resolving the format problem of big-endian and small endian between two network data.
  • Under universal mode, supports frame timeout, frame length and delimiter control mode, automatic sending function.
  • 1KV galvanic isolated on RS485 or RS232 interface.
  • EtherNet/IP maximum input/output bytes:
    • Maximum input bytes: 492 bytes (Under universal mode, maximum input bytes is 256 bytes)
    • Maximum output bytes: 492 bytes (Under universal mode, maximum output bytes is 256 bytes)
  • Power supply: 24VDC (11V-30V), 90mA (24VDC).
  • Operating Temp.: -40°F to 140°F (-40°C to 60°C); Rel. Humidity: 5%-95% (non-condensing).
  • Dimension (W*H*D): 1 in*4 in*3.5 in (25mm*100mm*90mm).
  • Mounting: DIN Rail Mounting (35mm).
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