Latest Technical Articles

An interposing relay is an interface between a control system and a higher power circuit to provide isolation or…

An interposing relay is an interface between a control system and a higher power circuit to provide isolation or amplification of mismatched voltage and current from a control to a load circuit.

A well-designed SCADA system can reduce costs, increase throughput, and improve usability. Successful implementation…

A well-designed SCADA system can reduce costs, increase throughput, and improve usability. Successful implementation requires consideration from both an operational and a business perspective.

Some new factories are networked from stem to stern, ready to roll. But sometimes, it’s just you and a new PLC, so it…

Some new factories are networked from stem to stern, ready to roll. But sometimes, it’s just you and a new PLC, so it won’t really matter how you set things up, it’ll probably work just fine, right?

Discover how digital and analog industrial joysticks can provide crucial precision in sectors like manufacturing and…

Discover how digital and analog industrial joysticks can provide crucial precision in sectors like manufacturing and industrial automation, used mainly for motion control applications.

Pairing IIoT with cloud services provides industrial and manufacturing facilities with real-time data displayed in…

Pairing IIoT with cloud services provides industrial and manufacturing facilities with real-time data displayed in intuitive dashboards and reduces downtime.

Unexpected, false, and fluctuating PLC input signals can cost many hours of debugging, but luckily, there are some quick,…

Unexpected, false, and fluctuating PLC input signals can cost many hours of debugging, but luckily, there are some quick, simple tricks to try before downtime is wasted.

Watch how each of the P and I terms influence the output of a motion control system. How do we explain and prevent terms…

Watch how each of the P and I terms influence the output of a motion control system. How do we explain and prevent terms like overshoot, error, and long settling time?

Dynamic braking resistors stop motors more quickly by converting the rotational energy, but how do we select the correct…

Dynamic braking resistors stop motors more quickly by converting the rotational energy, but how do we select the correct one and configure a PowerFlex drive to utilize the resistor effectively?

When the blinking lights on automation devices stop blinking, the control cabinet is often the go-to troubleshooting…

When the blinking lights on automation devices stop blinking, the control cabinet is often the go-to troubleshooting culprit, but how do you make the best judgments for quickly locating the problem?

A common field-level protocol for automation is ASi or AS-interface–a method used to convey actuator and sensor data…

A common field-level protocol for automation is ASi or AS-interface–a method used to convey actuator and sensor data and commands between I/O devices and the PLC control system level.

After we explored the initial configuration, it’s now time to see exactly how to implement IO-Link in a simple PLC…

After we explored the initial configuration, it’s now time to see exactly how to implement IO-Link in a simple PLC project, explaining how to interpret process data bytes for input and output.

Using an Arduino Opta PLC, a few off-the-shelf electrical components, and the popular OpenPLC software environment,…

Using an Arduino Opta PLC, a few off-the-shelf electrical components, and the popular OpenPLC software environment, automation control concepts can be built on your own test bench.

IO-Link devices can be inputs or outputs, and often a mix of both. In this article, learn how to interpret datasheets…

IO-Link devices can be inputs or outputs, and often a mix of both. In this article, learn how to interpret datasheets that list the indexes and purpose of the bytes to read and write process data.

Industrial sensor applications face challenges of digital or analog, NPN or PNP, normally closed and normally open, but…

Industrial sensor applications face challenges of digital or analog, NPN or PNP, normally closed and normally open, but for optical sensors, the terms “light-on” and “dark-on” must also be understood.

Learn about produced and consumed tags in PLCs, their functions, setup, and important considerations for effective data…

Learn about produced and consumed tags in PLCs, their functions, setup, and important considerations for effective data sharing between controllers in a control system.

It can be risky to adopt unknown technology; it poses serious security concerns if misused. The Control.com engineering…

It can be risky to adopt unknown technology; it poses serious security concerns if misused. The Control.com engineering team contacted our friends at OnLogic to gain some insight into VPN technology.

Filters and reactors can protect your electrical devices, but what is the difference between these two kinds of devices,…

Filters and reactors can protect your electrical devices, but what is the difference between these two kinds of devices, and are they supposed to be installed before or after a VFD?

A shunt resistor connects in series with a load to measure the high current in the DC circuit. Using Ohm's law, the…

A shunt resistor connects in series with a load to measure the high current in the DC circuit. Using Ohm's law, the current value can be calculated by measuring the voltage across the shunt.

CODESYS is an automation software that is independent from any one vendor, capable of many PLC, I/O, and motion…

CODESYS is an automation software that is independent from any one vendor, capable of many PLC, I/O, and motion operations. However, being vendor-agnostic can present challenges. Learn how to get started.