Latest Energy & Infrastructure Technical Articles

PLCs and microprocessors have largely replaced timing functions in control circuits. But these timer relays still hold…

PLCs and microprocessors have largely replaced timing functions in control circuits. But these timer relays still hold many necessary tasks. What’s inside these devices might be more complex than you imagined!

Following the release of the official Arduino PLC IDE, this tutorial will introduce programming and understanding of the…

Following the release of the official Arduino PLC IDE, this tutorial will introduce programming and understanding of the function blocks common to all IEC 61131 languages, starting with bit commands, timers, and counters.

Coil, field winding, rotor, stator, eddy current… When it comes to motors, there are numerous terms that describe the…

Coil, field winding, rotor, stator, eddy current… When it comes to motors, there are numerous terms that describe the theory of operation, but what is inside a 3-phase motor? Take a look, and learn how they work.

Human-machine interfaces, or HMIs, provide visual process data and allow access to process parameters and diagnostics…

Human-machine interfaces, or HMIs, provide visual process data and allow access to process parameters and diagnostics information. What’s inside these touchscreen displays, and how do they actually work?

Learn how to make complex calculations for validating data easily with the STD instruction, and learn how to display…

Learn how to make complex calculations for validating data easily with the STD instruction, and learn how to display array sizes programmatically with the SIZE instruction.

Air power drives a lot of modern equipment. Robot grippers, ejectors, actuators, and rotary tables are just a few of the…

Air power drives a lot of modern equipment. Robot grippers, ejectors, actuators, and rotary tables are just a few of the devices controlled by air. What’s inside those banks of solenoid valves, and how do they work?

Learn how to streamline your ladder logic by searching and sorting arrays with the FSC and SRT instructions in the…

Learn how to streamline your ladder logic by searching and sorting arrays with the FSC and SRT instructions in the Rockwell (Allen-Bradley) Studio 5000 programming software.

Variable frequency drive units can be found inside tons of control cabinets, but what happens if you disassemble one to…

Variable frequency drive units can be found inside tons of control cabinets, but what happens if you disassemble one to see what’s inside and how it works? We did just that. The results might surprise you.

Connecting a new motor without knowing the phase rotation of the electrical supply can cause damage to expensive…

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.

Network routers are designed to route and pass information between a system of connected computers and devices. Learn…

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.

With precise control abilities to manage speed, torque, and direction, variable frequency drives remain one of the most…

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.

Arrays can streamline data storage and math operations, but they can be difficult to understand for a beginning…

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.

Many worldwide plants are still running the old Advant Controller 450 from ABB in their facility, with many plants using…

Many worldwide plants are still running the old Advant Controller 450 from ABB in their facility, with many plants using the latest System 800xA DCS interfaced with the existing AC450 controller.

Functional safety is the safety of a system and is critical for industries such as medical devices, automotive, railways,…

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.

Servers are vital to the flow of information in and around organizations, acting as a hub for information transfer and…

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.

With the first fuzzy logic-based controllers on the market in 1983, learn how the Japanese-born automation company,…

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.

Learn about proportional gain and proportional band, two key proportional control concepts, to better understand the most…

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

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

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

Tracking the position of a hydraulic or pneumatic cylinder is often accomplished at a basic precision level, detecting…

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?