The climax came with "Signal Overlap in a Sequence Control." Two cylinders, A and B. They had to dance. A+ B+ A- B-.
Elias stood before the aluminum profile plate, his fingers hovering over a stack of solenoid valves and limit switches. To anyone else, the was a collection of diagrams and dry technical specifications. To Elias, it was a script for a silent mechanical language. The Spark of Intent Electropneumatics, Basic level (Workbook)
He began with the basic "Direct Control of a Single-Acting Cylinder." It felt like a handshake. He snapped the cylinder into place, the metallic clack echoing in the quiet room. He ran the blue plastic tubing, ensuring every cut was flush—perfection was the only way to keep the pressure from bleeding out. The climax came with "Signal Overlap in a Sequence Control