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PLC and Microcontroller Notes PDF (Handwritten)

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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Er. Hansraj Banger

Hansraj Banger is an electrical engineer with a passion for technology, innovation, and education. He is skilled in web development, web design, blogging, and content writing. Hansraj focuses on making engineering concepts simple and accessible, sharing clear explanations and practical insights to help learners at every level. He enjoys learning new things, creating useful resources, and supporting the community through digital knowledge and practical guides. Hansraj believes in building a friendly environment where complex topics become easy and everyone can grow with technology.

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