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FOXBORO RH101FQ｜Field Device Controller｜
Core Functionality
Serving as a bridge between field devices and the control system, the controller performs the following functions:
Collects data from field instruments via HART, PROFIBUS, analog signals, and other interfaces
Executes local control logic and preprocesses field data
Uploads processed data to the upper-level control or supervisory system
Receives commands from the upper-level system and performs on-site device control operations
Key Capabilities
Redundant configuration support, improving overall system availability
Conformal coating protection, providing resistance to corrosion, dust, and harsh industrial environments
Local alarming and diagnostic functions for rapid fault identification
Standalone operation capability, allowing the controller to operate independently of the host system and ensuring continuous on-site control even during network or upper-system outages
FOXBORO RH101FQ｜Field Device Controller｜
By structuring the information in this manner, the article provides a clear and organized understanding of input channels, transducer supply, and communication implementations in distributed control systems.
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