Industrial Automation, PLC, VFD, and Troubleshooting
How a PLC Reads, Thinks, and Acts
One of the most important concepts for anyone learning PLCs is the PLC scan cycle.
At first, ladder logic may look like electrical wiring, but …
Read MoreSafety Should Not Depend Only on PLC Logic
In industrial automation, an Emergency Stop is one of the most important safety devices on a machine. It is not just another push …
Read MoreHow PLCs Connect to the Real World
A PLC does not control a machine by itself. It needs a way to receive signals from field devices and send commands back to …
Read MoreThe Basic Foundation of Every PLC-Controlled System
Every PLC-controlled machine, no matter how simple or complex, follows the same basic control idea:
Inputs provide information, logic makes decisions, and outputs perform the …
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