CPU Modules - The Brain of Your PLC
CPU Modules — The Brain of Your PLC
At the heart of every PLC is the CPU module — the unit that executes logic, processes data, and makes decisions in real time.
🔹 Key Functions of the CPU:
Reads inputs from the I/O modules
Executes the control program (ladder logic, structured text, etc.)
Sends commands to the outputs
Handles communication with HMIs, SCADA, and other systems
Modern CPUs also support diagnostics, redundancy, and high-speed processing, making them reliable for critical operations.
👉 Simply put: Without the CPU, there is no control — it’s the brain behind automation.
Stay tuned for our next topic: Power Supply Modules ⚡
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