She watched for a minute. Then she pointed at the screen. “Dad, look. Your normally open contact references the wrong rung number. See? It’s pointing to line 150, but the coil is on line 151.”
By the end of the free course, Anil had completed the final project: a full control schematic for a conveyor sorting system—three motors, six sensors, a PLC interface, and a safety circuit. It wasn’t pretty. But it worked. Clara, the instructor, didn’t grade it. But the validation came anyway. autocad electrical course free
Anil leaned forward.