provide:
When you download a high-quality "exercice corrigé" PDF, you should expect to see the following standard industrial automation problems:
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Rung 1 — Auto-maintien moteur :
To prevent injuries, the press () should only activate if the operator presses two separate buttons (B1 and B2) simultaneously (within 0.5 seconds of each other). If only one is pressed, or if they are pressed too far apart, the press will not move. The Solution: Use a Logical AND gate for B1 and B2 .
Here is a classic exercise. You can copy this text into a document and save it as a PDF.
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