Latest Utilities Technical Articles

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.

The subject of grounding in electronics is broad and complex, spanning across a variety of functions and objectives. In…

The subject of grounding in electronics is broad and complex, spanning across a variety of functions and objectives. In this article, we will investigate the applications and regulation of grounding in control systems on a fundamental level.

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.

Safety is a concern in any system containing potential energy, whether electrical, chemical, or fluid. Each has methods…

Safety is a concern in any system containing potential energy, whether electrical, chemical, or fluid. Each has methods of protection, and for fluid systems, certain shutoff valves are used in situations when excess pressure can be a problem.

Field-oriented control (FOC), also called vector control, can control 3-phase alternating current motors and brushless DC…

Field-oriented control (FOC), also called vector control, can control 3-phase alternating current motors and brushless DC motors. Read more to learn its advantages, how it works, and its best applications.

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.

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…

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 ratcheting helps prevent damage by regulating a turbine's uniform warm-up and cool-down. In this article, we will…

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.

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.

Events that cause alarms are not the most common events in a process system, but they must be handled with proper care,…

Events that cause alarms are not the most common events in a process system, but they must be handled with proper care, being both resolved and recorded in order to prevent hazards and downtime.

Rockwell Automation is known for being one of the most popular PLC brands, supported by many compatible devices. Learn…

Rockwell Automation is known for being one of the most popular PLC brands, supported by many compatible devices. Learn the basics of getting started with a CompactLogix project in the Studio 5000 environment.