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communciation protocals what and how it work mean - Coggle Diagram

- - - - PROFIBUS (Fieldbus) →
        Used in: Factory automation and process industries (e.g., automotive lines, packaging, plants)
        Provides high-speed control between PLCs and field devices.
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        PROFINET (Ethernet) →
        Used in: Modern factory automation for real-time control (robotics, motion systems)
        Replaces PROFIBUS in many new installations.
      - EtherNet/IP
        
        Factory automation (especially Allen-Bradley / Rockwell systems)
        High-speed I/O and machine control over Ethernet
        Why: Industrial Ethernet protocol suited for real-time control.
        
        EtherCAT
        
        Factory automation where very fast real-time performance is needed (robotics, packaging, semiconductor machines)
        Why: Extremely low latency and deterministic communication.
        
        HART
        
        Process automation (chemical, oil & gas, refineries)
        For smart instruments (pressure, flow, temperature) while still keeping 4–20 mA wiring.
        
        Foundation Fieldbus
        
        Process industries for distributed control and field instrument communication
        Why: Fully digital fieldbus replacing analog in many process plants.
        
        AS-Interface (AS-i)
        
        Factory automation for simple I/O devices, conveyors, packaging, bottling lines
        Why: Low-cost way to network lots of sensors/actuators.
        
        OPC UA / MQTT (modern protocols)
        
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