Overview
Problem Statement:
A simplified traffic light system operates as follows:
Statement (Enoncé)
Design a PLC program for a parking barrier.
A high-quality resource usually follows this three-step structure: 1. The Problem Statement (Cahier des Charges)
3. The Correction (Correction)
- Ladder Diagram (Ladder Logic): The most common solution.
- Structured Text (ST): For complex arithmetic operations.
- I/O Table: Mapping physical sensors (push buttons, limit switches) to logical addresses.
- Timing Diagrams: Verifying the sequence against time constraints.
Contenu du PDF :
- Siemens: TIA Portal (PLCSIM).
- Schneider: Unity Pro or Machine Expert Basic.
- Allen-Bradley: RSLogix / Studio 5000.
- Generic: Automgen or CADe_SIMU (very popular in French "exercice corrigé" PDFs).