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…
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.
Our Control Automation engineering staff got the chance to visit a commercial farm in North Dakota and learn the hardware…
Our Control Automation engineering staff got the chance to visit a commercial farm in North Dakota and learn the hardware and software making these huge automated tractors ready for high-tech ‘field’ work.
Using an ADC can be very useful when dealing with analog devices in microprocessors, and a necessity when adding analog…
Using an ADC can be very useful when dealing with analog devices in microprocessors, and a necessity when adding analog devices to an industrial controller. But once you connect the hardware - what next?
Large DC and AC motor drives often provide terminals for installing a braking resistor. What are these resistors, and how…
Large DC and AC motor drives often provide terminals for installing a braking resistor. What are these resistors, and how do they slow down a machine? What hazards and cautions must be considered?
Redundancy and safety are often seen together in industrial safety systems. Safety relays monitor emergency devices to…
Redundancy and safety are often seen together in industrial safety systems. Safety relays monitor emergency devices to switch contacts based on status - but what makes them different from normal relays?
Advanced features such as programmable limits, diagnostics, and remote configuration are available with IO-Link devices.…
Advanced features such as programmable limits, diagnostics, and remote configuration are available with IO-Link devices. Learn how to connect an example IO-Link block into an actual PLC project.
Inductive loads, such as solenoids and contactors, can cause arcs and failures back into electromechanical switching…
Inductive loads, such as solenoids and contactors, can cause arcs and failures back into electromechanical switching devices, causing costly downtime. The solution is cheaper than you think.
Moisture inside industrial pneumatic systems is a major cause for concern, and if the air is not filtered or dried…
Moisture inside industrial pneumatic systems is a major cause for concern, and if the air is not filtered or dried properly, it can lead to serious failures.
Industrial automation is only possible when the various system components can communicate with each other using physical…
Industrial automation is only possible when the various system components can communicate with each other using physical cable connections. In this article, learn about some of the most popular communication cables and connectors used in the industry.
This article reviews and compares some of the most prominent industrial Ethernet protocols.
This article reviews and compares some of the most prominent industrial Ethernet protocols.
One of the most visible elements of industrial safety is the use of lock-out-tag-out (LOTO) devices, familiar to those…
One of the most visible elements of industrial safety is the use of lock-out-tag-out (LOTO) devices, familiar to those with experience. But, if you are new to the workforce, a brief introduction may be helpful.
Noise signal sources occur primarily from radiofrequency interference (RFI), often in the form of impulse functions or…
Noise signal sources occur primarily from radiofrequency interference (RFI), often in the form of impulse functions or arcing. How do you mitigate process noise from your control system?
What is Power over Ethernet (PoE), how does it work, and how can industrial facilities benefit?
What is Power over Ethernet (PoE), how does it work, and how can industrial facilities benefit?
Smart sensors differ from traditional sensors in that they offer benefits such as self-diagnostics, simplified wiring and…
Smart sensors differ from traditional sensors in that they offer benefits such as self-diagnostics, simplified wiring and communication, and more efficient remote monitoring.
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