Example: air traffic controller
Using MODBUS for Process Control and Automation

Using MODBUS for Process Control and Automation

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DCS (Distributed Control System) or RTU (Remote Terminal Unit). MODBUS RTU slaves are often field devices, all of which connect to the network in a multi-drop configuration, Figure 1. When a MODBUS RTU master wants information from a device, the master sends a message that contains the device’s address,

  Devices, Control

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