Latest Technical Articles

What is pressure? Everybody knows about this important quantity, but how do you define it? How do you measure it? Where…

What is pressure? Everybody knows about this important quantity, but how do you define it? How do you measure it? Where does it come from? In this article, we’ll learn about the basics of pressure.

Many sensors, like prox, optical, and ultrasonic, are familiar to control engineers. More and more modern devices are…

Many sensors, like prox, optical, and ultrasonic, are familiar to control engineers. More and more modern devices are incorporating advanced motion profiles requiring motion sensing in many axes.

This article investigates the basic components and wiring conventions for common three-phase motor starter…

This article investigates the basic components and wiring conventions for common three-phase motor starter configurations, including direct online, reversing, and star-delta.

Complete wiring guide for 3-phase motor starters with and without overload (OL) relays.

Complete wiring guide for 3-phase motor starters with and without overload (OL) relays.

Effectively managing data includes processing it after initial collection: performing calculations, reviewing for…

Effectively managing data includes processing it after initial collection: performing calculations, reviewing for anomalies, and displaying the data for easier actionable insights.

This article investigates the basic qualities that make up a safety PLC, what distinguishes a safety PLC from a standard…

This article investigates the basic qualities that make up a safety PLC, what distinguishes a safety PLC from a standard model, and the reasons for which a safety PLC may be critical.

Learn about FANUC’s Dual Check Safety (DCS) system and the various methods, how to configure the DCS parameters, and…

Learn about FANUC’s Dual Check Safety (DCS) system and the various methods, how to configure the DCS parameters, and how to avoid and resolve issues associated with DCS positional alarms.

Electrical and mechanical measurements are often labeled with "RMS" and "True RMS." Aside from the simple math…

Electrical and mechanical measurements are often labeled with "RMS" and "True RMS." Aside from the simple math definitions we learned in electronics class, why is this distinction actually important?

Have you ever heard of a relay? Of course you have. There are many different kinds, plus hundreds of different trade…

Have you ever heard of a relay? Of course you have. There are many different kinds, plus hundreds of different trade lingo names. What are some of the most common, and how do we use them?

When the angle or distance of motion is more important than speed and power, certain motors shine brighter, like…

When the angle or distance of motion is more important than speed and power, certain motors shine brighter, like steppers, named for the individual steps they take when control voltage is applied.

Knowing what kind of control system to use: that’s a question that must be answered before setting up the factory…

Knowing what kind of control system to use: that’s a question that must be answered before setting up the factory floor. Why would someone choose pneumatic over electrical controls?

Storing data long-term for recording and reporting purposes is the job of the utility data warehouse, quite different…

Storing data long-term for recording and reporting purposes is the job of the utility data warehouse, quite different from data-collection processes that optimize systems and predict failures.

Safety devices have two main purposes, both of them meant for (you guessed it) safety. They protect both machine and…

Safety devices have two main purposes, both of them meant for (you guessed it) safety. They protect both machine and operator from harm. But what’s inside, and how do these switches work?

Compete wiring diagram guide for 3-wire, 6-wire, 9-wire, and 12-wire three-phase motors used for industrial automation.

Compete wiring diagram guide for 3-wire, 6-wire, 9-wire, and 12-wire three-phase motors used for industrial automation.

Within motors, two very different types of resistance are evident. The resistance of the windings is measured with a…

Within motors, two very different types of resistance are evident. The resistance of the windings is measured with a normal multimeter. But what is insulation resistance, and how is it measured?

In order to trace control system problems to the core, the ability to read and interpret various resources, from…

In order to trace control system problems to the core, the ability to read and interpret various resources, from facility-level diagrams to machine-level wiring layouts, is critical.

This article looks at vacuum ejectors and vacuum pumps, specifically outlining the difference between single and…

This article looks at vacuum ejectors and vacuum pumps, specifically outlining the difference between single and multi-stage versions of each type, and common applications.

Converting different numbering systems is quite common in PLCs and structured text codes. Why? Because people read…

Converting different numbering systems is quite common in PLCs and structured text codes. Why? Because people read decimals. Computers read binary. Processors read sets of bits. Not so simple.

A complete diagram for wiring nearly any kind of discrete I/O module, including digital, AC, or relay, including both…

A complete diagram for wiring nearly any kind of discrete I/O module, including digital, AC, or relay, including both sourcing and sinking varieties.