Introduction
One of the best ways to improve PLC programming skills is to stop thinking only in terms of individual instructions and start thinking in terms of process behavior, equipment states, …
Read MoreIn the previous articles, we explored several ways to organize and transfer PLC data:
Direct I/O
Alias Tags
Individual Mapping
MOV
COP
CPS
UDT-Based Architecture
Now we can bring those concepts together and build a complete digital I/O …
Read MoreOne of the biggest challenges in industrial troubleshooting is dealing with problems that happen too fast to observe.
A sensor may turn off for only 100 milliseconds. A motor feedback signal …
Read MoreTimers are everywhere in industrial automation.
A motor may need a few seconds to prove that it started. A valve may need time to reach its open position. A photoeye signal …
Read MoreMotor Feedback, Faults, and Interlocks: Command vs Proof in Industrial Automation
One of the most important concepts in industrial automation is this:
A command is not the same as proof.
A PLC can …
Read MoreInside an Industrial Control Panel
An industrial control panel is the heart of many automation systems.
Inside the panel, power is distributed, control voltage is created, PLCs make decisions, inputs and outputs …
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