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AutomationDirect’s Area Sensors

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AutomationDirect has expanded its sensors offering to include wide area sensors for object detection

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Additional Resources

PLC Handbook

Download PLC Handbook

Sinking and Sourcing Concepts

When choosing the type of input or output module for your PLC system, it is very important to...

History of the PLC

Before the PLC, there existed a unique set of problems in need of a solution. Read some history...

What is a PLC?

Find out why the PLC, used for the automation of industrial electromechanical processes, is so...

Understanding Discrete & Analog I/O

Learn the difference in discrete vs analog I/O for PLCs. This article will discuss the pros and...

Pneumatic Circuit Symbols Explained

Directional air control valves are the building blocks of pneumatic control. Here is a breakdown...