indirect addressing

17 to 42 Instructions in One Week: The Free PLC Simulator Just Leveled Up

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17 to 42 Instructions in One Week: The Free PLC Simulator Just Leveled Up

One week ago, the free PLC simulator at accautomation.ca had 17 ladder instructions. Today it has 42. Between October 13 and October 16, the ACC PLC Simulator shipped six releases, v1.123 through v1.128, in four days. You can now change a program while it is running, step a traffic intersection with one drum instruction, pick … 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