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23. Faults vs Alarms (23 of 41)


July 2, 2026 JoeGuardian 0

In industrial automation, the words fault and alarm are often used together.

But they do not always mean the same thing.

A fault usually means something is wrong enough to stop equipment, …

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Faults vs Alarms in Ladder Logic: Industrial Door PLC Example


May 17, 2026 JoeGuardian 0

Introduction

In industrial automation, one of the most important differences a technician must understand is the difference between a fault and an alarm.

At first, both may look similar because both indicate …

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