
These handwritten PLC and microcontroller notes explain automation basics in clear, simple language. The PDF covers PLC introduction, ladder and block diagrams, PLC memory and I/O modules, common PLC programming languages (Ladder, IL, SFC, FBD, ST), programmer types, power supply and practical applications in industry. Ideal for diploma, BTech and practical lab revision.
- Key Topics Included:
- Introduction: Difference between PLCs and old Relay systems and the advantages of PLCs.
- Architecture: The hardware inside a PLC, including the CPU, Memory (RAM/ROM) and Input/Output modules.
- Programming: Ladder Diagram logic, basic instructions (XIC, XIO), Logic Gates (AND, OR), Timers (TON, TOF) and Sequencers.
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- PLC and Microcontroller Handwritten Notes
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