MOXA MGate MB3280: gateway MODBUS TCP - RTU

SKU: MB3280
GTIN: B00G966KJ4
MPN: MB3280
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359,00 €

MOXA MGate MB3280: gateway MODBUS TCP - RTU

MB3280 is a Modbus standard gateway that converts between Modbus TCP and Modbus RTU/ASCII protocols. Are supported up to 16 Modbus TCP masters at the same time, with a maximum of 31 RTU/ASCII slaves for serial port (with repeater max 250). For RTU/ASCII masters are supported up to 32 TCP slaves.

Integration in a Modbus standard network

MB3280 is designed for an easy integration in Modbus TCP and RTU/ASCII networks.

With this model, Modbus slave serial devices can be perfectly incorporated in an already existing Modbus TCP network , and slave Modbus TCP devices can be made accessible to serial masters.

MB3280 offers functions that makes network integration easy, customizable e compatible with almost all Modbus networks.

Gateway convenient for high volumes

MGate MB3280 Gateway can efficiently integrate networks with high density of Modbus knots.
Every RS-233/422/485 serial port can be configurated individually for Modbus RTU or Modbus ASCII or work also at different baudrate, allowing both types of network to integrate with Modbus TCP into a single packet.




Number of ports 1x Ethernet port (10-100 Mbps)
2x RS232/RS422/RS485 ports (DB9 male connector)
  • Ethernet port: 1.5KV isolation protection
  • Serial port: 1.5KV ESD protection
Serial Port Signals
  • RS232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
  • RS422 / RS485(4w): Tx+, Tx-, Rx+, Rx-, GND
  • RS485 (2w): Data+, Data-, GND
Operating mode RTU Slave, RTU Master, ASCII Slave, ASCII Master
Multi-master and Multi-drop
  • Master Mode: 32 TCP slave
  • Slave Mode: 16 TCP master (tail length required: 32 for every master)
Power Supply 12 ~ 48VDC (plug connector)
Max absorption: 200mA
Envinronment conditions
  • Working temperature: 0 ~ 55°C
  • Humidity: 5 ~ 95% (no condensation)

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