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…
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.
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.
Power delivered to devices can be changed by raising or lowering the voltage and current. But this method does not always…
Power delivered to devices can be changed by raising or lowering the voltage and current. But this method does not always produce intended results. Pulse width modulation (or PWM) can be used to better control variable loads.
Analog and digital multimeters have both enjoyed popularity in different generations of electrical systems. What is…
Analog and digital multimeters have both enjoyed popularity in different generations of electrical systems. What is unique about the analog meters, and in what situations might they be preferred over their digital counterparts?
Statistical process control (SPC) allows for continual improvement process (CIP), a method of optimizing a process driven…
Statistical process control (SPC) allows for continual improvement process (CIP), a method of optimizing a process driven by data and statistical methods.
Learn how control charts are used in statistical process control (SPC) to show how a process changes with time as…
Learn how control charts are used in statistical process control (SPC) to show how a process changes with time as compared to past measurements, providing reliable visualizations for data-driven decisions.
What is a PLC? This article will lay out a succinct definition of a programmable logic controller and explain its basic…
What is a PLC? This article will lay out a succinct definition of a programmable logic controller and explain its basic components.
Pressure and flow rate are terms used in all areas of hydraulic and pneumatic systems. Learn the definition and science…
Pressure and flow rate are terms used in all areas of hydraulic and pneumatic systems. Learn the definition and science of these terms, and the reason they are so important within industry.
Statistical process control (SPC) is meaningless without the proper collection and analysis of data. For some process…
Statistical process control (SPC) is meaningless without the proper collection and analysis of data. For some process parameters, this is a simple task. But not every part of a process is driven by simple, quantitative parameters.
Digital control systems are particular about the direction of current flow from sensors and input devices. The terms…
Digital control systems are particular about the direction of current flow from sensors and input devices. The terms sourcing and sinking (often abbreviated source and sink) are among the more confusing ratings found on I/O module datasheets. Part 1 of a 3-part series.
Any industrial electrician can instantly recognize a relay, but when it comes to wiring, why are the terminals numbered…
Any industrial electrician can instantly recognize a relay, but when it comes to wiring, why are the terminals numbered in such apparently random order?
Learn how statistical process control (SPC) can provide a foundation for decisions used to reduce waste and increase…
Learn how statistical process control (SPC) can provide a foundation for decisions used to reduce waste and increase efficiency in the manufacturing process.
In this article, learn the basics of Allen-Bradley Data Highway, the various network structures, and the relationship…
In this article, learn the basics of Allen-Bradley Data Highway, the various network structures, and the relationship between DH and Ethernet networks.
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.
This article teaches the basics of gateways in industrial networks and PLC-to-PLC communication.
This article teaches the basics of gateways in industrial networks and PLC-to-PLC communication.
Ladder diagrams, or ladder logic, is a popular programming language used for PLCs. Programmers can utilize boolean logic…
Ladder diagrams, or ladder logic, is a popular programming language used for PLCs. Programmers can utilize boolean logic as a base for their ladder diagrams. Learn the basics and structures for boolean logic.
Servo motors are widely utilized in industry for numerous applications. How do you use fuzzy logic to control a servo motor?
Servo motors are widely utilized in industry for numerous applications. How do you use fuzzy logic to control a servo motor?
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.
Learn the similarities and differences between GUIs and HMIs in the industrial sector. Can they be used together?
Learn the similarities and differences between GUIs and HMIs in the industrial sector. Can they be used together?
Safety is of utmost importance in the day-to-day operations of any system, especially a system where humans and machines…
Safety is of utmost importance in the day-to-day operations of any system, especially a system where humans and machines work together. Learn all about Safety Instrumented Systems and what it takes to keep workers safe, and the system running smoothly!