RS422/485 Modbus Gateway

RS422/485 Modbus Gateway

SKU: SMG-5420
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Product description

SMG-5420 is an RS422/485 Modbus Gateway which provides protocol conversion between Modbus/RTU (or ASCII) and Modbus/TCP, allowing Modbus devices with different interfaces to communicate with HMI (Human Machine Interface).

  • Convert Modbus/RTU, Modbus/ASCII data to Modbus/TCP and vice versa
  • 10Base-T/100Base-TX Ethernet
  • Industrial temperature range (-40℃ ~ +85℃)
  • Overvoltage, Reverse voltage, Overcurrent protection circuit


MODBUS is a communication protocol widely used for monitoring and controlling various industrial automation equipment represented by PLC (Programmable Logic Controller). It was developed based on serial, but it also has been expanded to network version for application in various communication environments. The serial (Modbus/RTU and Modbus/ASCII) and network versions (Modbus/TCP) are similar, but still different protocols.

SMG-5420 requires a 5V power supply (not included).

More information is available on the website of Sollae Systems and Getting Started.

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