Centralized control systems are often seen as outdated compared to decentralized systems; however, both have their advantages and disadvantages when it comes to…
Centralized control systems are often seen as outdated compared to decentralized systems; however, both have their advantages and disadvantages when it comes to choosing which one to use in manufacturing.
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.
Programmable Logic Control (PLC) systems are the core of most industrial control systems that drive modern manufacturing.…
Programmable Logic Control (PLC) systems are the core of most industrial control systems that drive modern manufacturing. In this Control Automation video, we discuss the important hardware elements that define a PLC, regardless of its size or purpose.
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.
Programmable Logic Control (PLC) systems are the core of most industrial control systems that drive modern manufacturing.…
Programmable Logic Control (PLC) systems are the core of most industrial control systems that drive modern manufacturing. In our Control.com video tutorials, we will share information, experience, and tips for working with PLCs—from the hardware, to the wiring, to the programming logic of inputs, outputs, and communication processes.
Schaffner introduces its newest electromagnetic compatibility filters for data centers and robotic-automation sectors,…
Schaffner introduces its newest electromagnetic compatibility filters for data centers and robotic-automation sectors, allowing for different connection options and saving on space with a 1U rack-mount design.
One of the most considerable risks in aging control environments is that eventually, spare parts become obsolete and…
One of the most considerable risks in aging control environments is that eventually, spare parts become obsolete and unavailable, and the lack of an upgrade plan can turn a simple failure into a catastrophe.
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.
Although the are similarities in operating theory, relays and contactors are used in industrial circuits for different…
Although the are similarities in operating theory, relays and contactors are used in industrial circuits for different specific applications, and should not be used interchangeably.
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?
Beckhoff Automation is advancing the concept of reducing cabinet space and lowering construction time with their recently…
Beckhoff Automation is advancing the concept of reducing cabinet space and lowering construction time with their recently announced MX-System.
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?
Linear position sensors are used in electrical and fluid-actuated motion devices. They allow extremely precise position,…
Linear position sensors are used in electrical and fluid-actuated motion devices. They allow extremely precise position, velocity, and acceleration control, and provide feedback to ensure product quality and tolerance compliance.
AC motors are common throughout industry - easily controlled by VFDs and without the maintenance that comes with DC…
AC motors are common throughout industry - easily controlled by VFDs and without the maintenance that comes with DC brushes. So then, why are DC motors still used in certain applications?
Before digital control systems, responses were fairly slow. Push a button, and a motor contactor engaged. These days, the…
Before digital control systems, responses were fairly slow. Push a button, and a motor contactor engaged. These days, the speed of computers introduces some new challenges but brings solutions as well.
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.
Beijer Electronics recently announced the M Series of distributed I/O to provide on-machine control with a variety of…
Beijer Electronics recently announced the M Series of distributed I/O to provide on-machine control with a variety of communication options for system flexibility.
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.
Failures of I/O systems are a common source of headache for control engineers. Troubleshooting those devices that have…
Failures of I/O systems are a common source of headache for control engineers. Troubleshooting those devices that have polarized connections (source vs sink, and NPN vs PNP) is a technique worth refining.