Industrial Automation, PLC, VFD, and Troubleshooting
A Critical Difference Every PLC Technician Should Understand
In industrial automation, two words are often used together but do not mean exactly the same thing:
Permissive and Interlock
Both are used to control …
Read MoreA Basic Introduction for Automation Technicians
Introduction
In industrial motor control, we often work with contactors, overload relays, motor starters, VFDs, and three-phase AC motors. These systems are excellent for running motors …
Read MoreA Beginner-Friendly Introduction for Industrial Automation Technicians
In industrial automation, an HMI stands for Human-Machine Interface. It is the screen, panel, or computer-based application that allows an operator, technician, or engineer …
Read MoreWhat Is a PLC?
A PLC, or Programmable Logic Controller, is an industrial computer used to control machines, equipment, and automated processes.
In simple words, a PLC reads signals from field devices, …
Read MoreIntroduction
A Variable Frequency Drive, commonly called a VFD, is one of the most important devices used in modern industrial motor control. If you work around pumps, fans, conveyors, mixers, blowers, …
Read MoreUsing CTU, CTD, and RES to Count Real-World Events
Counters are one of the most useful instructions in PLC programming because industrial machines are constantly counting something.
A PLC may need to …
Read MoreBuilding Secure OT Networks with IEC 62443 Principles
Industrial cybersecurity has become one of the most critical topics in modern automation. As Operational Technology (OT) systems continue integrating with enterprise IT …
Read MoreThe Basic Foundation of Every PLC-Controlled System
Every PLC-controlled machine, no matter how simple or complex, follows the same basic control idea:
Inputs provide information, logic makes decisions, and outputs perform the …
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