Latest Technical Articles

Categories

Inrush Current: Why Is Motor Startup Current So High?

Inrush Current: Why Is Motor Startup Current So High?

Motors consume the highest current during startup—this is a well-known fact. But logically, the slowest speed should relate to the lowest power consumption. Why, then, is inrush current so high for motors?


Visibility that Creates New Value

Visibility that Creates New Value

Smart manufacturing manifests as a knowledge-based enterprise, in which devices and processes are optimized to enhance productivity, safety, security, sustainability, and performance. Read this article to learn about the three key productivity factors for the industry.


Building Seamless and Secure Industrial Networks Using TSN

Building Seamless and Secure Industrial Networks Using TSN

Moving toward Industry 4.0 is about implementing highly automated and interconnected factories and infrastructure. Learn how time-sensitive networking (TSN) technologies can make this a reality.


Securing the Fourth Industrial Revolution

Securing the Fourth Industrial Revolution

Adopting digital technology to transform products, services and businesses involves gaining greater insight and control for improved efficiency, typically by leveraging new data streams. These efforts often redefine experiences, such as customer experience, and can include changes in operating models that affect the security of digital assets. Read on to learn more.


Bringing the Future of Automation into Focus

Bringing the Future of Automation into Focus

To meet dynamic production demands, industry leaders have embraced digital transformation – and are building data-centric, insight-driven organizations. The next hurdle? Digital technology must evolve to enable functionally complex automation systems that are not only smarter, but easier to design, operate and maintain.


Smart Systems in Smart Manufacturing

Smart Systems in Smart Manufacturing

Smart systems deliver better business outcomes – like increased efficiency, higher throughputs, faster startups and greater product customization. And when these machines use industrial control systems that are designed for simplicity and scalability, they can help you achieve the outcomes you want in a cost-effective, sustainable way.


Addressing Common Industrial IoT Cybersecurity Risks For Control Systems

Addressing Common Industrial IoT Cybersecurity Risks For Control Systems

Addressing cybersecurity threats introduced by IIoT technology and devices can quickly seem overwhelming. However, an understanding of the risks can lead to some straightforward countermeasures.


Industrial Network Options: EtherCAT Advantages, Challenges, and Specs

Industrial Network Options: EtherCAT Advantages, Challenges, and Specs

EtherCAT is an often preferred competitor in the arena of industrial networking protocols. Learn the reason why many technologies embrace this protocol and what sets it apart from other fieldbus varieties.


Siemens TIA Portal and S7-1200 Tutorial 2: Analog Inputs

Siemens TIA Portal and S7-1200 Tutorial 2: Analog Inputs

Programming simple coil and contact commands is an easy matter in most PLC IDEs. Connecting and configuring analog inputs can be more challenging with various bit resolutions and conversion commands.


Understanding Controller Memory Types and Conservation

Understanding Controller Memory Types and Conservation

Insufficient controller memory can result in reduced HMI and SCADA response speed and longer scan times. Know the differences between RAM, ROM, and removable memory, and how to keep program sizes in check.


Analog Output Module Wiring With 2, 3, and 4 Wire Devices

Analog Output Module Wiring With 2, 3, and 4 Wire Devices

Analog outputs are a special signal with a wider current or voltage range, in contrast with a limited discrete on/off output. These signals are used to control or set parameters for other automation systems.


An Engineer Explains the Hexadecimal and Octal Number Systems

An Engineer Explains the Hexadecimal and Octal Number Systems

Computers understand values as long strings of binary bits, but we humans convert them to other systems for convenience. Decimal makes sense, but what about hexadecimal and the lesser-known octal systems?


How To Use Analog Inputs With 2, 3, and 4 Wires

How To Use Analog Inputs With 2, 3, and 4 Wires

Analog inputs are used to measure changes in process through sensors, subsequently converting that signal to voltage or current and sending it to modules that measure this change to determine new setpoints.


Understanding Sensor Specifications

Understanding Sensor Specifications

Operating voltage, linearity, dimensions, polarity protection, range… When it comes to sensors, every situation calls for understanding these specs in detail during design, purchasing, and installation.


Introduction to Basic Three-Phase Motor Control Circuits

Introduction to Basic Three-Phase Motor Control Circuits

Large motors require a circuit to turn on and off. This may be as simple as a single on/off drum-type switch or as elaborate as a VFD unit. Learn about some common control circuit designs for typical three-phase motor requirements.


Turbine Maintenance: Understanding Ratcheting and Turning Gears

Turbine Maintenance: Understanding Ratcheting and Turning Gears

Turbine ratcheting helps prevent damage by regulating a turbine's uniform warm-up and cool-down. In this article, we will discuss the principles and challenges behind this process.


How IIoT can Benefit Maintenance Practices and Increase Overall Equipment Effectiveness

How IIoT can Benefit Maintenance Practices and Increase Overall Equipment Effectiveness

As data becomes available, maintenance can shift from being done on a rigid schedule to a more cost-effective plan of fixing as required, even turning attention to the root cause of maintenance woes.


Combatting the Effects of EMI with EMC Design Principles for Electrical Panels

Combatting the Effects of EMI with EMC Design Principles for Electrical Panels

EMC-compliant panels are an excellent first step in reducing electromagnetic interference from industrial control systems. Learn about some features of electromagnetic compatibility in panels.


Electrical Symbols and What They Mean to Controls Engineers

Electrical Symbols and What They Mean to Controls Engineers

Using symbols instead of text provides a fast and effective way to describe an electrical system. Learn about the what, when, where, and why of commonly used electrical symbols from the perspective of a controls engineer.


What is Proportional Gain?

What is Proportional Gain?

This article discusses the meaning and effects of proportional gain in a controlled system such as motion, temperature, and fluid flow.