Programmable Logic Controllers Principles And Applications By John W Webbpdf Upd Jun 2026

Webb emphasizes the fundamental way a PLC "thinks." Unlike a standard PC that may run many tasks at once, a PLC operates in a continuous loop called a :

Moving beyond simple logic, the text introduces mathematical operations (ADD, SUB, MUL, DIV, SQR) and data comparison (EQU, NEQ, LES, GRT). Webb emphasizes the fundamental way a PLC "thinks