Learn about power side and ground side switching and how designing these circuits to have predictable failures from the beginning helps in system maintenance and…
Learn about power side and ground side switching and how designing these circuits to have predictable failures from the beginning helps in system maintenance and troubleshooting.
Inside a controller, code is interpreted into the binary signals that influence input and output signals, flags and…
Inside a controller, code is interpreted into the binary signals that influence input and output signals, flags and registers, and even the communication of network signals. This is the job of firmware.
The world of manufacturing is filled with robots, but beginners are still always faced with key questions, starting with…
The world of manufacturing is filled with robots, but beginners are still always faced with key questions, starting with perhaps the most basic: how do you program industrial robots?
We will show you how to recognize, utilize, and efficiently operate your comparison instructions in…
We will show you how to recognize, utilize, and efficiently operate your comparison instructions in Rockwell Automation’s Studio 5000 and Automation Direct’s Productivity Suite to make your program flow smoothly.
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.
We will show you how to use the basic trigonometry functions to build ladder logic in a PLC, allowing for a clean,…
We will show you how to use the basic trigonometry functions to build ladder logic in a PLC, allowing for a clean, well-organized, and easy-to-use code that allows you and other users to troubleshoot your programs.
Electrical signal analysis has come to the forefront of predictive maintenance, helping to reduce downtime in industrial…
Electrical signal analysis has come to the forefront of predictive maintenance, helping to reduce downtime in industrial manufacturing by remotely identifying problems with electric motors and generators.
We will show you how to use common math functions from two popular PLC programs—Rockwell Automation's Studio 5000 and…
We will show you how to use common math functions from two popular PLC programs—Rockwell Automation's Studio 5000 and Automation Direct Productivity Suite.
Counting up and down are commonly required functions in PLC lagger logic programs for tracking inventories, placement…
Counting up and down are commonly required functions in PLC lagger logic programs for tracking inventories, placement patterns, and gaining informational insights about machine performance statistics.
Many PLC commands are well-known to programmers, including contacts, coils, timers, and counters. But a less-common…
Many PLC commands are well-known to programmers, including contacts, coils, timers, and counters. But a less-common instruction is the one-shot, capable of harnessing the incredible processing speeds in a CPU.
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.
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.
Hello acoustics, my old friend. I've come to monitor you again. Because a worn-out bearing softly creeping, slowly got…
Hello acoustics, my old friend. I've come to monitor you again. Because a worn-out bearing softly creeping, slowly got worse while I was sleeping. And the vibration that was planted in my brain still remains… Within the sound of Maintenance
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.
Allen Bradley’s Data Highway Plus (DH+) networking ability is still found commonly in interfaces with legacy equipment.…
Allen Bradley’s Data Highway Plus (DH+) networking ability is still found commonly in interfaces with legacy equipment. Understanding this network structure can bridge the gap between old and new systems.
Our own Control Automation engineering staff had the opportunity to visit VersaBuilt, a CNC robotic integration shop…
Our own Control Automation engineering staff had the opportunity to visit VersaBuilt, a CNC robotic integration shop offering an application system from the Universal Robots UR+ series.
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.
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.
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.
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.