Learn everything about PLCs (Programmable Logic Controllers), including their working principle, types, programming basics, ladder logic examples, and real-world applications in industrial automation.

Explore level switch types, working principles, and industrial applications. Learn how float, capacitive, vibrating, and other level switches are used in process control.

Structured Text (ST) is a high-level PLC language used for writing complex logic. Learn its syntax, features, and industrial applications as per IEC 61131-3

Learn what a transformer is, how it works, its major types (step-up, step-down, isolation), construction details, and real-world applications in power systems and electronics. A complete guide for engineers, students, and professionals.

Learn about Instrument Transformers, including Current Transformer (CT) and Potential Transformer (PT). Understand their working principles, types, applications, and differences – explained with examples for interview and exam preparation.

Explore RSLogix 5000 math instructions like CPT, ADD, SUB, MUL, DIV, MOD, SQRT, NEG, and ABS. Learn how these math functions are used in ladder logic with syntax, examples, and best practices.

It reduced human error and provides continues result of process or system. plc save fuel, cost, processing material, labor and increased production. below are some common question for plc asked in interview.

Learn all about RSLogix 5000 comparison instructions, including EQ, NEQ, GRT, LES, GEQ, and LEQ. Understand their functions, ladder logic examples, and best practices for reliable PLC programming in Allen Bradley systems.

Learn PLC analog input scaling concepts with practical examples. Understand how to convert raw analog signals to engineering units for accurate process control in industrial automation.

Explore the various types of encoders used in industrial automation, including rotary, linear, absolute, and incremental encoders. Understand how encoders work and where they are applied across motion control, robotics, and feedback systems.

Top PLC communication interview questions with answers covering protocols, networking, and industrial communication basics for freshers and experienced.