• Modbus Gateway

    Getting Data Out of your Modbus Devices
  • Modbus Gateway

    Getting Data Out of your Modbus Devices

History

Originally developed by Modicon in 1979, Modbus RTU (remote terminal unit) grew to become one of the most popular protocols for industrial field devices due to its ease of implementation and very low troubleshooting costs.

In 1999, the development of Modbus TCP (transmission control protocol) marked the official move onto the new 21st century communication highway—the Internet. A Modbus TCP device could now be connected over the Internet from anywhere in the world, performing maintenance and repair, reducing support costs, and improving customer service. As a result, many systems now use Modbus TCP in SCADA (supervisory control and data acquisition) software, the central system gathering and analyzing real time data from field devices which generally support serial protocols, such as Modbus RTUs.

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