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PLC Programming – Ladder Logic versus Structured Text For decades, ladder logic has been the undisputed leader as a PLC programming language, but today’s controls engineers are taking greater advantage of another option, structured text, for advanced applications incorporating data handling, communications, recipe management, and more. Learn more Unmanaged+ Industrial Ethernet Switches Simplify OT/IT Connectivity…

Choose the Right Safety Components with Confidence Selecting the right machine safety components begins with a clear understanding of risk, safety ratings, and industry standards. Safety ratings provide a standardized framework for evaluating the reliability and risk-reduction capability of safety systems. This white paper explains the key safety ratings used in industrial automation, helping engineers…

Taming Ladder Logic with Object-Oriented Techniques Programmable logic controllers (PLCs), prized for their ruggedness and real-time performance, have formed the industrial automation backbone of operational technology (OT) systems since the late 1960s. While traditional PLC programming methods were historically less sophisticated than solutions developed for the information technology (IT) industry, the situation has been steadily…

Modern PLCs Support Dependable SCADA Communications Water and wastewater treatment systems of all sizes are essential and roughly 90% of U.S. systems are considered small (serving 10,000 or fewer people). Though large and small plants often use similar technologies, they operate at very different scales and budgets for automation and staffing. Recognizing this disparity, the…

Five Ways AI Will Grow ROI on Plant Floors in 2026 AI isn’t new to manufacturing. Vision systems can already spot defects; predictive maintenance models can keep bearings from failing unexpectedly; and scheduling software can adjust production on the fly. What’s changing in 2026 is the reach and capabilities of these tools as well as…

Getting with the Object-Oriented Program Object-oriented programming concepts have become an important part of modern industrial automation, helping streamline PLC and HMI development. The introduction of user-defined instructions (UDIs) across the AutomationDirect Productivity PLC platform gives developers a new way to encapsulate logic and data. This approach accelerates development, promotes reuse of proven code, and…

Overcoming Problematic Installs with Wireless I/O While some industrial monitoring and control systems are easily connected to their associated field devices, the harsh reality is that many installations are much more complicated. Input/output (I/O) signaling over long distances, especially where there is not a convenient wiring path, is a costly proposition. Learn more Supplier Profile…

Free Online PLC Training – No Purchase Necessary As automation expands, understanding electrical control systems is increasingly important. To meet growing demand for PLC knowledge, we developed a free online training program available to anyone, anytime. This course covers PLC fundamentals and their application in industrial processes, as well as specifics for our PLC offerings…