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Top 15 PLC interview Questions
1. What is PLC? PLC stands for Programmable Logic Controllers, PLC is an industrial computer used to monitor inputs and…
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Top 15 PLC brands
Introduction: In PLC (Programmable Logic Controller) is an electronic solid-state device that can control a process or a machine and…
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How to detect Thermocouple burnout?
The most common thermocouple failure method is open failure, otherwise known as “burning out.” An open thermocouple is difficult for…
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What is Snap acting relay?
What is snap acting relay? Snap acting relay senses the supply pressure and changes the direction of air flow when…
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PLC learning series 4 : How a ladder logic diagram works? How to read ladder logic ?
How a Ladder Logic diagram works? Ladder diagrams describe programs in graphical form, used in PLC programming. This diagram is…
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Types of Time delay relay, Applications of time delay relay.
What is Time delay relay? Timing relay has a device that delays the instant switching on or off of the…
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PLC learning Series 1: What is PLC? Functions of PLC
What is PLC? PLC stands for Programmable Logic Control. Definition: PLC is electronic systems that operate digitally and are designed…
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What is Breaker failure protection? How Breaker failure protection works?
What is Breaker Failure Protection? The breaker failure protection system is backup system. Specifically, this protection is depended on to…
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Motor controllers
Motor controllers range from a simple switch to a complex system that uses solenoids, relays and timers. The basic functions…
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What is SIS? Difference between SIS and ESD
An instrumented safety function, or SIF, is one or more components designed to perform a specific task related to safety…
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