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Info Byte: The Mystery of Ice Cube Relays–Coil Polarity

Info Byte: The Mystery of Ice Cube Relays–Coil Polarity

Relay and other coil devices pose a few confusing questions: How can the relay still work if you connect a DC supply in reverse? How can an alternating voltage attract and hold the load consistently?


 Configuration and  Data Logging: Using a PCU to Translate From Process to SCADA

Configuration and Data Logging: Using a PCU to Translate From Process to SCADA

The PCU400 can handle all known industrial protocols and forward them to the master station to get an effective connection between the SCADA system and the data from the manufacturing or system process.


Historical Figures: Joseph von Fraunhofer and His Impact on Production Systems

Historical Figures: Joseph von Fraunhofer and His Impact on Production Systems

In honor of October 3rd, National Techies Day, Control Automation is excited to celebrate the works of Joseph von Fraunhofer. Well-known for his contributions in optics, Fraunhofer also made lasting contributions in manufacturing and production systems.


Why is 4-20 mA Current Used for Industrial Analog Sensors?

Why is 4-20 mA Current Used for Industrial Analog Sensors?

Industrial analog sensor devices primarily use 0-10 volt or 4-20 milliamp. For those mA signals, learn the reasons for why the lower and upper limit standards were determined as 4 mA and 20 mA.


Raspberry Pi Applications in Industrial Automation

Raspberry Pi Applications in Industrial Automation

Though not a direct replacement for PLCs, Raspberry Pi has the potential to be used in industrial automation applications for prototyping, embedded systems, and as a low-cost process controller.


PLC Ladder Logic on an Arduino: Building a Start-Stop Circuit

PLC Ladder Logic on an Arduino: Building a Start-Stop Circuit

Learn how to prototype an industrialized OpenPLC Arduino PLC control station concept. This hands-on project will illustrate converting a relay ladder control circuit into a Ladder Diagram (LD) program.


Industrial Control Panel Design Standards and Best Practices

Industrial Control Panel Design Standards and Best Practices

Industrial control panels are at the heart of control systems. Learn about the standards and regulations that dictate industrial control panel design for safety and efficiency, including NFPA 70, UL 60947-4-1, and NFPA 79. 


Introduction to Raspberry Pi: History, Hardware, and Software

Introduction to Raspberry Pi: History, Hardware, and Software

Raspberry Pi is a low-cost, educational single-board computer platform with the potential for industrial applications. In this article, we discuss the purpose of Raspberry Pi as well as its hardware and software.


Humidity Measurement Basics: Relative Humidity, Sensors, and Applications

Humidity Measurement Basics: Relative Humidity, Sensors, and Applications

Humidity control is vital in many industrial applications. We'll take a look at nine different humidity measurement technologies, how they are used, and discuss the difference between relative humidity and dew point.


Uncontrolled Machine Vision Lighting for Infrared and Robots

Uncontrolled Machine Vision Lighting for Infrared and Robots

Ambient light, reflection, and transparent objects can all cause difficulties during machine vision applications. Learn about these issues and some potential solutions to better ensure safety and quality.


Introduction to Industrial Control Panel Design

Introduction to Industrial Control Panel Design

Whether open or closed, industry standard or built for tough environments, or modular or customized, it is important to follow a set of repeatable tasks when designing industrial control panels for efficiency and safety.


B&R Automation Studio Programming Example - Driving Motion Axes

B&R Automation Studio Programming Example - Driving Motion Axes

Explore the design of a servo pick and place sample case using B&R Automation Studio, from the project creation to the configuration of the controller, drives, and motion axes. 


PLC Programming Commands: Boolean Functions and Bit Redistribution 

PLC Programming Commands: Boolean Functions and Bit Redistribution 

Learn how to use the boolean bitwise functions AND, OR, XOR, and NOT in your PLC programming, as well as some instructions used to change the position of bits and bytes in your INTs and DINTs.


Arduino Applications in Industrial Automation

Arduino Applications in Industrial Automation

While not a direct replacement for PLCs, there are industrial automation applications built using Arduino, including prototyping, embedded systems, and low-cost PLC simulators.


Control and Visualization of Power Plant Data Through SCADA Systems

Control and Visualization of Power Plant Data Through SCADA Systems

The control and visualization of power plant processes through SCADA improves the supervision, coordination, and security of the power system operations.


Ultrasonic Leak Detectors: Finding Leaks With Ultrasound

Ultrasonic Leak Detectors: Finding Leaks With Ultrasound

Pressurized gas leaks can sometimes be heard with the human ear, but small leaks with ultrasonic sounds are much more difficult to detect. Ultrasonic leak detectors can help to find otherwise undetectable leaks.


End of Arm Tooling: Power Sources and Sensors

End of Arm Tooling: Power Sources and Sensors

An EOAT, located at the end of an industrial or collaborative robot arm, is entirely customizable with nearly unlimited possibilities. Learn about the five main methods of how EOATs are powered and the sensors that they use.


PLC Program Commands: Storing Data Using Arrays

PLC Program Commands: Storing Data Using Arrays

Learn how to move data through arrays using LFL, LFU, FFL, and FFU instructions, as well as a technique on cycling data through an array by putting it in the front and letting it drop out the back using CPS instructions.


Introduction to Arduino: History, Hardware, and Software

Introduction to Arduino: History, Hardware, and Software

Arduino’s open-source, microcontroller-based platform has revolutionized academic and hobbyist spaces, providing a low cost, accessible introduction to engineering and programming.


Programming B&R PLCs With Automation Studio

Programming B&R PLCs With Automation Studio

While B&R PLC controllers are quite different from typical PLCs, Automation Studio offers tools and features that make programming them less intensive. In this article, we’ll discuss how to program B&R PLCs with Automation Studio.