Part 1 of a 2-part series. A practical look at the failures that plague motor drive systems, even those that are rated to be fail-safe.
Part 1 of a 2-part series. A practical look at the failures that plague motor drive systems, even those that are rated to be fail-safe.
Although ‘HMI’ has become synonymous with a durable, rugged touchscreen measuring 7 to 21 inches and mounted in a…
Although ‘HMI’ has become synonymous with a durable, rugged touchscreen measuring 7 to 21 inches and mounted in a control cabinet door, the reality of the interface extends far beyond this device.
This guide shows you how to set up RS-485 communication between the FX3U PLC and the FR-D700 inverter with the…
This guide shows you how to set up RS-485 communication between the FX3U PLC and the FR-D700 inverter with the FX3U-485-BD. You can control speed and monitor the system using ladder logic.
Motor speed control can be a tricky process, due to the variety of options. In a VFD, speed can be controlled using fixed…
Motor speed control can be a tricky process, due to the variety of options. In a VFD, speed can be controlled using fixed values, digital or analog signals, or communication networks.
It’s easy to obtain I/O values for local and remote modules and network nodes. But what about system data that’s…
It’s easy to obtain I/O values for local and remote modules and network nodes. But what about system data that’s built into the PLC? How can we access and use that information?
Synchronized motion has become an industry standard with robots, gantries, and pick and place automation. Follow along…
Synchronized motion has become an industry standard with robots, gantries, and pick and place automation. Follow along this three-part series as we discuss methods of synchronizing servo motors.
Is it best to ‘controller scope’ or ‘program scope’ your tags? This is the question asked by many new PLC…
Is it best to ‘controller scope’ or ‘program scope’ your tags? This is the question asked by many new PLC programmers, and it often comes down to personal preference.
The stack light has a simple but powerful purpose: to report the status of the equipment. Follow along as we take a deep…
The stack light has a simple but powerful purpose: to report the status of the equipment. Follow along as we take a deep dive into the venerable illuminated signal tower.
Alignment procedures for pulleys and shafts are a key to preventing costly breakdowns. An effective strategy pairs…
Alignment procedures for pulleys and shafts are a key to preventing costly breakdowns. An effective strategy pairs alignment with vibration analysis to both prevent and predict these downtime events.
After working with solenoid valves for many years, there are still a few questions: is AD or DC voltage better? Do we…
After working with solenoid valves for many years, there are still a few questions: is AD or DC voltage better? Do we really need lubrication? I turned to an expert for some answers.
Servo drives interact with hardware axes, but there are many ways to configure the motion. I/O signals allow connections…
Servo drives interact with hardware axes, but there are many ways to configure the motion. I/O signals allow connections of sensors and switches for functions like homing and setting travel limits.
Learn about OT resilience strategies, including SSH, authentication, port blocking, and MAC address binding, methods that…
Learn about OT resilience strategies, including SSH, authentication, port blocking, and MAC address binding, methods that can be employed to protect network switches.
Finding a good PLC simulator can be challenging. Read an assessment of Factory I/O and learn how it works, how to get…
Finding a good PLC simulator can be challenging. Read an assessment of Factory I/O and learn how it works, how to get started, and how to use it in your automation learning journey.
Previously reserved for personal and commercial deployments, learn how cellular IoT connectivity technologies are…
Previously reserved for personal and commercial deployments, learn how cellular IoT connectivity technologies are influencing industrial trends, organizations, and integrators.
A well-designed SCADA system can reduce costs, increase throughput, and improve usability. Successful implementation…
A well-designed SCADA system can reduce costs, increase throughput, and improve usability. Successful implementation requires consideration from both an operational and a business perspective.
Unexpected, false, and fluctuating PLC input signals can cost many hours of debugging, but luckily, there are some quick,…
Unexpected, false, and fluctuating PLC input signals can cost many hours of debugging, but luckily, there are some quick, simple tricks to try before downtime is wasted.
Using an Arduino Opta PLC, a few off-the-shelf electrical components, and the popular OpenPLC software environment,…
Using an Arduino Opta PLC, a few off-the-shelf electrical components, and the popular OpenPLC software environment, automation control concepts can be built on your own test bench.
It can be risky to adopt unknown technology; it poses serious security concerns if misused. The Control.com engineering…
It can be risky to adopt unknown technology; it poses serious security concerns if misused. The Control.com engineering team contacted our friends at OnLogic to gain some insight into VPN technology.
Filters and reactors can protect your electrical devices, but what is the difference between these two kinds of devices,…
Filters and reactors can protect your electrical devices, but what is the difference between these two kinds of devices, and are they supposed to be installed before or after a VFD?
CODESYS is an automation software that is independent from any one vendor, capable of many PLC, I/O, and motion…
CODESYS is an automation software that is independent from any one vendor, capable of many PLC, I/O, and motion operations. However, being vendor-agnostic can present challenges. Learn how to get started.