When it comes to getting the most out of industrial and manufacturing equipment, it’s crucial to have the right technology to oversee its performance. Programmable logic controllers are a leading product in these industries because they can manage and control even the most unique mechanical systems.
However, as important as they are, they can still prove difficult for some to wrap their heads around, and you might be asking, “what is a PLC?”
In this article, we’ll dive into what programmable logic controllers are and why you need one.
What is a PLC?
Programmable logic controllers, or PLCs, are computers that receive and process data from pieces of equipment, then distribute performance instructions. These products are incredibly customizable, highly intuitive, and an extraordinarily powerful addition to any equipment system.
Entering unique commands makes managing and directing your machines simple. PLCs also keep you informed by recording all data they receive and allowing you to adjust performance expectations accordingly.
When to Use a PLC
PLCs are ideal for applications where precise control, reliability, and adaptability are critical.
Common use cases include:
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Manufacturing: Automating production lines in warehouses, controlling robotic arms, and monitoring systems in real time.
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Energy: Managing power distribution and monitoring grid performance.
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Transportation: Controlling signals and managing safety systems in railways and other infrastructure.
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Food and Beverage: Ensuring consistency in production processes like bottling and packaging.
A PLC is a versatile tool for scaling up production, troubleshooting inefficiencies, or implementing new automation.
The Benefits of PLCs in the Workplace
With the right PLC in your system, you can tackle problems faster and keep your machines running efficiently.
These controllers are flexible, too, working with just about any equipment setup once programmed to your needs. Their solid-state design makes them tough and reliable, lasting years before needing an upgrade or replacement.
Work Smarter, Not Harder
PLCs handle repetitive tasks, so your team can focus on the work that needs human expertise. They react instantly to changes like temperature spikes or pressure drops, keeping everything running smoothly and reducing downtime.
Consistent Quality Every Time
Nothing frustrates a production line more than inconsistent results. PLCs monitor your process in real time and make adjustments on the fly to avoid defects. They also keep detailed logs of every batch, so troubleshooting and process improvements are straightforward.
Save Money Without Sacrificing Results
Automation with PLCs helps lower labor costs, reduce waste, and increase output. Plus, their flexibility means you can reprogram them as your needs change—no need to buy new equipment every time you shift gears.
Stay Connected and In Control
PLCs do more than just run machines—they connect systems. With real-time monitoring and diagnostics, they help you catch issues early and fine-tune operations for maximum efficiency.
Built to Last
Thanks to their solid-state design, PLCs can take a beating and still last for years before you even need to think about replacements.
What Kind of Programming Language is Used for Most PLCs?
PLCs primarily use Ladder Logic, a visual programming language that resembles electrical relay circuits. Ladder Logic is intuitive for engineers and technicians with electrical backgrounds, making it the industry standard.
However, other languages like Structured Text, Function Block Diagram, and Sequential Function Chart are also used for more complex systems.
How PLCs With Your Equipment
When learning what programmable logic controllers are, it’s also important that you know how they work. PLCs operate in four primary steps: input scan, program scan, output scan, and housekeeping. The PLCs received diagnostic data from all connected machines during the first step.
Then, it distributes orders based on how you programmed it. The PLC then energizes or de-energizes outputs depending on those orders.
Finally, it maintains communications between each piece of equipment for future information gathering.
The Best PLCs Under One Roof at PLC Direct
If you’re interested in improving the efficiency of your equipment system, PLC Direct can help you get what you need. We carry a wide range of programmable logic controllers for varying brands and types of machines.
Shop our selections today; we guarantee we have something compatible for your setup, whether you’re running newer or older systems.