Credited with coining the name ‘PLC’, Allen-Bradley and parent company Rockwell Automation are major players in the world of control systems. Learn how the…
Credited with coining the name ‘PLC’, Allen-Bradley and parent company Rockwell Automation are major players in the world of control systems. Learn how the hardware platforms have evolved into the familiar modern configurations.
The timer is a fundamental function of ladder logic programming. In this article, we discuss on- and off-delay as well as…
The timer is a fundamental function of ladder logic programming. In this article, we discuss on- and off-delay as well as retentive timers and define the inputs and outputs required to properly use them.
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.
This article discusses Amazon Web Services (AWS), Amazon SageMaker and AWS IoT Greengrass, and how their capabilities at…
This article discusses Amazon Web Services (AWS), Amazon SageMaker and AWS IoT Greengrass, and how their capabilities at the edge can impact machine learning use cases such as defect defection.
Even with the most reliable networks, network outages are inevitable for a host of reasons, and managing these outages in…
Even with the most reliable networks, network outages are inevitable for a host of reasons, and managing these outages in VFD systems becomes critically important.
In honor of May the 4th, Star Wars Day, we compare the sources and applications of the two most common force-delivery…
In honor of May the 4th, Star Wars Day, we compare the sources and applications of the two most common force-delivery systems - mechanical and hydraulic.
In the first article of this series, we investigate Siemens as a major PLC manufacturer, learning about the hardware,…
In the first article of this series, we investigate Siemens as a major PLC manufacturer, learning about the hardware, software, and key applications of each product lineup.
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?
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.
With the increasing appearance of “web-based” HMIs, we investigate these devices, learn how they differ from the…
With the increasing appearance of “web-based” HMIs, we investigate these devices, learn how they differ from the graphical HMIs, and see implications for our modern control system architecture.
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.
The objective of predictive maintenance is to foresee potential machine failure with the help of machine learning…
The objective of predictive maintenance is to foresee potential machine failure with the help of machine learning algorithms provided with vast quantities of data.
Labels are such a small detail in the world of robotics and automation, they are often given very little attention.…
Labels are such a small detail in the world of robotics and automation, they are often given very little attention. However, they play a vital role in proper system function - from installation to troubleshooting.
This article explores various characteristics that are common in advanced and highly automated warehouse management systems (WMS).
This article explores various characteristics that are common in advanced and highly automated warehouse management systems (WMS).
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.
Product lifecycle management (PLM) and industrial automation are growing closer together. This article explores recent…
Product lifecycle management (PLM) and industrial automation are growing closer together. This article explores recent trends and application examples of this software in industry.
The fourth pillar of effective statistical process control (SPC) is the use of designed experiments used to learn as much…
The fourth pillar of effective statistical process control (SPC) is the use of designed experiments used to learn as much as possible from a limited number of experiments, yet remain statistically relevant enough to be useful.