Latest Distribution Technical Articles

No more IIoT buzzwords! This article aims to walk through an implementation of MQTT using the paho-mqtt library using…

No more IIoT buzzwords! This article aims to walk through an implementation of MQTT using the paho-mqtt library using nothing more than your local machine and some simple Python programming.

Analytics from data algorithms can predict machine failures and provide diagnostics—but what should we measure? Then,…

Analytics from data algorithms can predict machine failures and provide diagnostics—but what should we measure? Then, once the information has been collected, what trends might point to problems?

A subset of light is the focused cohesive beams that make up lasers, which can be used in optical sensing. These devices…

A subset of light is the focused cohesive beams that make up lasers, which can be used in optical sensing. These devices provide benefits of greater range, precision, and even mapping for mobile robotics.

ASCII is a familiar acronym, found in applications like Modbus communications and string data types—but what is it, and…

ASCII is a familiar acronym, found in applications like Modbus communications and string data types—but what is it, and what does ASCII mean for automation engineers?

Cybersecurity is all about processes and people. A lot of threats can be mitigated through technology, but only if people…

Cybersecurity is all about processes and people. A lot of threats can be mitigated through technology, but only if people understand how cybersecurity affects control systems and related technology.

Optical sensors are one of the most popular sensor types in industrial automation. This article covers optical sensor…

Optical sensors are one of the most popular sensor types in industrial automation. This article covers optical sensor basics and commonly used types, including fiber optic, photoelectric, and optical encoders.

Industrial sensors can be found in nearly every modern industrial process, regardless of complexity. Learn the history,…

Industrial sensors can be found in nearly every modern industrial process, regardless of complexity. Learn the history, evolution, and variety of sensors that make manufacturing the modern marvel we see today.

Motors consume the highest current during startup—this is a well-known fact. But logically, the slowest speed should…

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?

Addressing cybersecurity threats introduced by IIoT technology and devices can quickly seem overwhelming. However, an…

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.

Programming simple coil and contact commands is an easy matter in most PLC IDEs. Connecting and configuring 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.

Insufficient controller memory can result in reduced HMI and SCADA response speed and longer scan times. Know the…

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.

Computers understand values as long strings of binary bits, but we humans convert them to other systems for convenience.…

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?

Operating voltage, linearity, dimensions, polarity protection, range… When it comes to sensors, every situation calls…

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.

As data becomes available, maintenance can shift from being done on a rigid schedule to a more cost-effective plan of…

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.

EMC-compliant panels are an excellent first step in reducing electromagnetic interference from industrial control…

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.

Power quality is an increasing concern for manufacturers all over the world as electrical equipment becomes more advanced…

Power quality is an increasing concern for manufacturers all over the world as electrical equipment becomes more advanced and therefore sensitive to discrepancies in the supplied power.

Modbus is one of the oldest industrial communication protocols still in use today. Continue reading to find out how the…

Modbus is one of the oldest industrial communication protocols still in use today. Continue reading to find out how the protocol works and how to use it for monitoring and control.

Learn how to install and program analog modules into Rockwell’s hardware and software environments using a CompactLogix…

Learn how to install and program analog modules into Rockwell’s hardware and software environments using a CompactLogix PLC and Studio 5000.

IIoT is a daunting topic due to ambiguous interactions of hardware and software. This article outlines the basic steps to…

IIoT is a daunting topic due to ambiguous interactions of hardware and software. This article outlines the basic steps to use an MQTT broker to collect the number of cycles from a pneumatic cylinder for PM software.