14. Sensor Wiring Best Practices for Industrial Automation

June 12, 2026 JoeGuardian 0

In industrial automation, a sensor can be good, the PLC input card can be good, and the logic can be correct — but the machine can still fail because of …

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12. PNP, NPN, Sourcing, and Sinking Made Simple

June 11, 2026 JoeGuardian 0

One of the most confusing topics for new automation technicians is the difference between PNP, NPN, sourcing, and sinking.

This confusion usually appears when a sensor has power, the sensor LED …

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