plc
3 posts
Structured Text (ST) in PLC Programming: Syntax, Examples and When to Use It
Structured Text (ST) for PLC programming: variables, IF/CASE, FOR loops, timers and function blocks, with real examples and when to pick ST over ladder.
Ladder Logic for Beginners: Rungs, Contacts, Coils and the Scan Cycle
Ladder logic explained for beginners: rungs, contacts, coils, the PLC scan cycle, series AND, parallel OR, and the seal-in circuit with examples.
Function Block Diagram (FBD) in PLC Programming: The Complete Tutorial
Learn Function Block Diagram (FBD) in PLC programming: blocks, wires, pins, execution order, and when to choose FBD over ladder logic. With examples.