function block diagram

The Real Reason PLCs use Ladder Logic rather than C++?

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This article on PLC programming languages was written by Chris Urban, an automation educator and PLC trainer with over 40 years of hands-on experience. Find Chris on YouTube and LinkedIn. — CU Can we even compare the programming languages used on our PCs to those used in PLC programming? To get to the bottom of this, we have … Read more

Indirect Addressing Secrets: Transform Your PLC Programming Skill

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The Most Powerful PLC Instruction?

What is the most powerful PLC instruction? What instruction or concept is the most powerful when programming any manufacturer’s PLCs? Many people will guess timers, counters, or the set and reset bit instructions. These are all great instructions, but the most powerful is the indirect or pointer instruction. In PLC programming, pointers, also called indirect … Read more