In this introduction to loop-powered transmitters, also known as two-wire transmitters, we discuss operation, applications, and options for signal…
In this introduction to loop-powered transmitters, also known as two-wire transmitters, we discuss operation, applications, and options for signal isolation, displays, digital data transmission, and mounting.
Nearly every electronic product depends on the unity of electrical components and PCBs with physical enclosures and…
Nearly every electronic product depends on the unity of electrical components and PCBs with physical enclosures and parts. Learn how Autodesk’s Fusion 360 offers a complete solution for electromechanical integration and design.
You are bound to encounter two terms associated with sensors and some loads: ‘NPN’ and ‘PNP’. You must understand…
You are bound to encounter two terms associated with sensors and some loads: ‘NPN’ and ‘PNP’. You must understand the relationship between the field device and the control module in order to choose and install components properly when needed.
Network switches allow the interconnection of devices and controllers across a facility, with particular features that…
Network switches allow the interconnection of devices and controllers across a facility, with particular features that make them a good fit for industrial applications. We introduce a few of the leading manufacturers of these products.
Relay and other coil devices pose a few confusing questions: How can the relay still work if you connect a DC supply in…
Relay and other coil devices pose a few confusing questions: How can the relay still work if you connect a DC supply in reverse? How can an alternating voltage attract and hold the load consistently?
Industrial control panels are at the heart of control systems. Learn about the standards and regulations that dictate…
Industrial control panels are at the heart of control systems. Learn about the standards and regulations that dictate industrial control panel design for safety and efficiency, including NFPA 70, UL 60947-4-1, and NFPA 79.
Build a low-cost PLC using the Arduino Uno and the open-source industrial controls software, OpenPLC, to learn how to…
Build a low-cost PLC using the Arduino Uno and the open-source industrial controls software, OpenPLC, to learn how to program with ladder logic, beginning with your first OpenPLC project: Hello World.
There are many considerations when selecting a thermocouple type. In this article, we look at the advantages, and…
There are many considerations when selecting a thermocouple type. In this article, we look at the advantages, and limitations, of the eight standard thermocouples and various installation considerations.
The diverse power terms in electrical generation systems include active, reactive, and apparent power, all of which lead…
The diverse power terms in electrical generation systems include active, reactive, and apparent power, all of which lead to the introduction of ‘power factor’ effectiveness in an AC circuit.
Grounding transformer connections presents its own set of challenges. This article addresses these challenges and several…
Grounding transformer connections presents its own set of challenges. This article addresses these challenges and several common configurations for control transformer grounding.
Learn about the common applications, programming procedures, and safety protocols of collaborative robot work cells,…
Learn about the common applications, programming procedures, and safety protocols of collaborative robot work cells, which are often simpler and less expensive than industrial robot work cells.
Fuses and breakers are some of the most common safeguards to prevent electrical shock and fires. Learn about these two…
Fuses and breakers are some of the most common safeguards to prevent electrical shock and fires. Learn about these two pieces of industrial equipment and the difference between slow blow and quick blow responses.
The CTRL F3 series reviews field studies and failures in the field focused on control fails, fixes, and facts. This…
The CTRL F3 series reviews field studies and failures in the field focused on control fails, fixes, and facts. This article covers an explosion at an industrial sawmill.
DC voltage systems exist to provide controllers and field devices with stable power, but it is not always clear when…
DC voltage systems exist to provide controllers and field devices with stable power, but it is not always clear when these systems should be bonded with the earth ground of the AC line voltage supply.
One common challenge when working with legacy control systems is establishing communication with old devices that use old…
One common challenge when working with legacy control systems is establishing communication with old devices that use old protocols like RS232 and RS485. Learn about the importance of converting from serial to Ethernet.
There are many distributed fieldbus capabilities for valve manifolds that can save on network overhead and wiring. In…
There are many distributed fieldbus capabilities for valve manifolds that can save on network overhead and wiring. In this article, we will look at PLC programming of fieldbus manifolds highlighting Festo's CPX layout.
The HART protocol enables instruments to send analog and digital signals over the same physical wire. This provides…
The HART protocol enables instruments to send analog and digital signals over the same physical wire. This provides multiple advantages for remote configuration, increased accuracy, and more.
Power supplies tend to get a reputation as one of the most important power considerations of a DC control circuit - but…
Power supplies tend to get a reputation as one of the most important power considerations of a DC control circuit - but we can’t ignore other key players: power filters, converters, and backup power modules.
What if you could control the end position and the speed of a hydraulic actuator accurately with just a simple signal?…
What if you could control the end position and the speed of a hydraulic actuator accurately with just a simple signal? Some systems use simple open/close valves, but others require far more precision.
What’s the difference between a Cat 6 and a Cat 6a cable, anyhow? Ethernet cables must meet certain performance…
What’s the difference between a Cat 6 and a Cat 6a cable, anyhow? Ethernet cables must meet certain performance standards, and these standards can be quite confusing at first glance.
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