Industrial Automation, PLC, VFD, and Troubleshooting
One 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 MoreIn PLC troubleshooting, one of the most powerful and dangerous tools is forcing.
A PLC force allows a technician or programmer to manually override the normal state of an input or …
Read MoreCommissioning is the stage where a PLC control system moves from programmed to proven in the real machine.
A program may look correct offline and still fail during startup because commissioning …
Read MoreThroughout this PLC series, we repeatedly used an important programming concept:
Do not build your entire machine logic directly from physical I/O addresses.
Instead, create a clean separation between the real hardware …
Read MoreWhen a motor fails in a real plant, the problem is rarely just “the motor is bad”.
Most of the time the issue is somewhere in this chain:
PLC Logic → Wiring …
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