Latest Chemical Technical Articles

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?

A common staple in the pharmaceutical industry, Epson robots come in a variety of models, programmed with the SPEL+…

A common staple in the pharmaceutical industry, Epson robots come in a variety of models, programmed with the SPEL+ language. Learn the unique traits of the language before diving deeper into a programming example.

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.

Modbus is a communication protocol stemming from the early days of Modicon PLCs, but is still common today. These two…

Modbus is a communication protocol stemming from the early days of Modicon PLCs, but is still common today. These two example implementations of Modbus transactions will get you started.

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).

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.

We've read about the capabilities of collaborative robots, but often, one question still remains - how do you program a…

We've read about the capabilities of collaborative robots, but often, one question still remains - how do you program a cobot? Last week, I got a chance to get my hands on a cobot for the first time.

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?

Measuring pH is a critical task of many chemical processes and systems. Learn the definition of pH, the measurement…

Measuring pH is a critical task of many chemical processes and systems. Learn the definition of pH, the measurement tools, and the calibration steps for proper operation and care of these meters.

FANUC robots, as with most other brands, are designed to be used in a wide variety of applications. Learn the common…

FANUC robots, as with most other brands, are designed to be used in a wide variety of applications. Learn the common programming concepts and features along with an example of a motion program.

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.

Industrial automation is only possible when the various system components can communicate with each other using physical…

Industrial automation is only possible when the various system components can communicate with each other using physical cable connections. In this article, learn about some of the most popular communication cables and connectors used in the industry.