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Know Your Phase: How and When to Use a Motor and Phase Rotation Tester

Know Your Phase: How and When to Use a Motor and Phase Rotation Tester

Connecting a new motor without knowing the phase rotation of the electrical supply can cause damage to expensive equipment. By using a 3-phase rotation meter, you can save yourself time and money.


Introduction to Network Routers for Industrial Applications

Introduction to Network Routers for Industrial Applications

Network routers are designed to route and pass information between a system of connected computers and devices. Learn about the role of routers in industrial applications and how to properly maintain them.


What You Need to Know: Variable Frequency Drives (VFDs)

What You Need to Know: Variable Frequency Drives (VFDs)

With precise control abilities to manage speed, torque, and direction, variable frequency drives remain one of the most common methods of driving 3-phase industrial motors. Below, we introduce a few leading VFD manufacturers.


PLC Program Commands: Performing Array Functions Part 1

PLC Program Commands: Performing Array Functions Part 1

Arrays can streamline data storage and math operations, but they can be difficult to understand for a beginning programmer. Learn the background of array instructions in the Rockwell Studio 5000 software.


Introduction to Functional Safety (IEC 62061) and its Implementation

Introduction to Functional Safety (IEC 62061) and its Implementation

Functional safety is the safety of a system and is critical for industries such as medical devices, automotive, railways, and machinery. This article will focus on functional safety for machinery and the standards that help its implementation.


Introduction to Servers for Industrial Applications

Introduction to Servers for Industrial Applications

Servers are vital to the flow of information in and around organizations, acting as a hub for information transfer and storage. Learn about the role of servers in industry and the potential challenges that come with maintaining them.


 Omron PLCs - A Hardware History

Omron PLCs - A Hardware History

With the first fuzzy logic-based controllers on the market in 1983, learn how the Japanese-born automation company, Omron, adopted fuzzy logic as a basis for the design of its current PLCs.


Proportional Gain and Proportional Band Explained

Proportional Gain and Proportional Band Explained

Learn about proportional gain and proportional band, two key proportional control concepts, to better understand the most popular control system method in industrial automation.


Differences Between a Programmable Logic Controller (PLC) and a Remote Terminal Unit (RTU)

Differences Between a Programmable Logic Controller (PLC) and a Remote Terminal Unit (RTU)

Despite the many overlaps, PLCs and RTUs are two different devices, each with specific suitable applications.


Feedback for Fluid Cylinders: Bang Bang Control

Feedback for Fluid Cylinders: Bang Bang Control

Tracking the position of a hydraulic or pneumatic cylinder is often accomplished at a basic precision level, detecting only end stop limits with discrete digital values… But what methods accomplish this?


Understanding NPN vs PNP for Sensors and Devices

Understanding NPN vs PNP for Sensors and Devices

You are bound to encounter two terms associated with sensors and some loads: ‘NPN’ and ‘PNP’. You must understand the relationship between the field device and the control module in order to choose and install components properly when needed.


Managing Multi-user PLC Programming: Git Version Control

Managing Multi-user PLC Programming: Git Version Control

PLC and other automation project software can be easier and more efficient to update and maintain thanks to the introduction of Git control, already a staple for typical programming of large-scale projects.


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?


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.


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. 


 PLC Program Commands: Arrays and Pointers

PLC Program Commands: Arrays and Pointers

The ability to utilize an array effectively is a fundamental skill in becoming a PLC programmer, but it can also be very complex and difficult to master. Let’s do a run-down of arrays and some of their complexities!


3-phase Motor Types: Synchronous and Induction Motors

3-phase Motor Types: Synchronous and Induction Motors

In this article, we will take a look at the differences between synchronous and induction motors, as well as the two types of induction motors: squirrel cage and wound rotor.


Preventing Failures in High-Temperature Manufacturing Processes

Preventing Failures in High-Temperature Manufacturing Processes

Any machine can become a source of elevated temperature, even under regular operation. We cannot assume that temperature problems occur only based on climate conditions, and mitigation steps must be employed.


I/O Module Debate: Transistor vs. Relay Output?

I/O Module Debate: Transistor vs. Relay Output?

When selecting the right module for the right load, be sure to understand how the load resistance will affect the voltage and current of the output module terminals.


Recreating PLC Ladder Logic in an Arduino C/C++ IDE

Recreating PLC Ladder Logic in an Arduino C/C++ IDE

​​​​​​​Arduinos have been a staple in the community of makers, students, and project innovators for many years. For many using Arduino’s IDE, there can be difficulties in translating between PLC ladder rungs and text programming.