PLC and scada and DCS

Question

Accepted Answer

PLC (Programmable Logic Controller):
PLC is primarily focused on controlling machinery and processes.
It executes logic-based control functions in real-time.
Typically used for discrete control applications like assembly lines and machine automation.
Programmable using ladder logic or other programming languages.
SCADA (Supervisory Control and Data Acquisition):
SCADA is mainly focused on supervisory control and data acquisition.
It collects real-time data from sensors and devices.
Provides a graphical interface for operators to monitor and control processes remotely.
Often used for monitoring and controlling large-scale processes in industries like water treatment, power generation, and manufacturing.
DCS (Distributed Control System):
DCS is designed for controlling and managing complex industrial processes.
Consists of multiple control units distributed throughout a plant or facility.
Offers centralized control and monitoring capabilities.
Typically used in continuous process industries such as chemical manufacturing, oil refining, and power generation.

PLC and scada and DCS

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