What's Inside a PLC?
To truly understand a PLC, you need to know its core building blocks:
CPU Module – the brain
I/O Modules – the eyes and hands
Power Supply – the energy source
Communication Ports – for system integration
Each of these plays a critical role in enabling real-time, reliable automation.
Next up: We start with I/O Modules — what they are and why they matter.
Email: info@mst-ct.com
#PLCArchitecture #AutomationBasics #MST

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