Ethernet switches can use four different types of connections: RJ45, fiber, M12, and SFP. Understanding the difference can help with network troubleshooting,…
Ethernet switches can use four different types of connections: RJ45, fiber, M12, and SFP. Understanding the difference can help with network troubleshooting, design, or alteration.
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.
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.
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?
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.
Traditionally, automation requires a sizable investment and integration risks. RaaS empowers manufacturers to let someone…
Traditionally, automation requires a sizable investment and integration risks. RaaS empowers manufacturers to let someone else adopt the risks in exchange for an hourly or monthly subscription rate.
As we approach the conclusion of this IIoT project, we’ll explore the integration of the Mosquitto MQTT broker,…
As we approach the conclusion of this IIoT project, we’ll explore the integration of the Mosquitto MQTT broker, Node-RED, and InfluxDB, leaving only the data dashboard setup for the final step.
This article will explore the setup of Node-RED, the glue that will serve to connect all of the individual components of…
This article will explore the setup of Node-RED, the glue that will serve to connect all of the individual components of the solution that we have created up to this point.
Every so often, a new data format comes along, and we first consider that it might simply be a mistake in typing. Pulse…
Every so often, a new data format comes along, and we first consider that it might simply be a mistake in typing. Pulse Frequency Modulation (PFM) is not brand new, but still unknown to many engineers.
Many signal sources and process transmitters do not include isolation, which can cause problems when the instruments are…
Many signal sources and process transmitters do not include isolation, which can cause problems when the instruments are at different locations. A loop powered isolator is often the solution.
The Raspberry Pi 4 Sense HAT add-on can be used to control output events based on feedback from sensors, and the built-in…
The Raspberry Pi 4 Sense HAT add-on can be used to control output events based on feedback from sensors, and the built-in joystick can be used to trigger those events.
Explore the sensors used to obtain temperature, pressure, and humidity for industrial applications on this value-packed,…
Explore the sensors used to obtain temperature, pressure, and humidity for industrial applications on this value-packed, compact add-on for the Raspberry Pi.
Some controllers and network devices have one port, while others have two. Why is there a difference, and what advantages…
Some controllers and network devices have one port, while others have two. Why is there a difference, and what advantages does having two network ports actually provide?
Function block diagram (FBD) programming is a common language for PLCs following the IEC 61131 standard. What is FBD, and…
Function block diagram (FBD) programming is a common language for PLCs following the IEC 61131 standard. What is FBD, and how does it differ from the familiar ladder logic programs?
Analog voltage and current are the dominating standards for industrial technology. Is one format better than the other?…
Analog voltage and current are the dominating standards for industrial technology. Is one format better than the other? And if so, why do both signal types still exist in modern systems?
Automation can be inexpensive for small projects by using development boards. This article presents a walkthrough of the…
Automation can be inexpensive for small projects by using development boards. This article presents a walkthrough of the setup and installation steps for the popular Raspberry Pi.