Latest Chemical Technical Articles

The purpose of LOTO is to create a method of reducing the chance that a worker will be exposed to hazardous energy.…

The purpose of LOTO is to create a method of reducing the chance that a worker will be exposed to hazardous energy. It’s important for companies to establish an SOP for standardized LOTO practice.

Air motors are common in process industries, mainly used in hazardous areas. This article introduces the features and…

Air motors are common in process industries, mainly used in hazardous areas. This article introduces the features and working principles of air motors and the differences between air and electrical motors.

‘Twas the Night Before Christmas: like you’ve (probably) never heard it before.

‘Twas the Night Before Christmas: like you’ve (probably) never heard it before.

As an engineer, why would you settle for simply plugging and unplugging your Christmas lights when you could, instead,…

As an engineer, why would you settle for simply plugging and unplugging your Christmas lights when you could, instead, spend many hours automating this very important December job? Let me show you.

Learn about various ways to activate directional control valves for fluids using manual input, air pilot sources, and…

Learn about various ways to activate directional control valves for fluids using manual input, air pilot sources, and electrical controls. Sometimes, valves even use a mix of multiple power sources.

Power and control interruptions are, at best, problematic. In some applications, it’s catastrophic. Learn about…

Power and control interruptions are, at best, problematic. In some applications, it’s catastrophic. Learn about redundancy for the system, power supplies, control devices, and network topologies.

Compressed air is a common economical way of adding motion to your automated equipment, but the air needs to be filtered,…

Compressed air is a common economical way of adding motion to your automated equipment, but the air needs to be filtered, regulated, and sometimes lubricated. The air prep unit does all that and more.

Machine-to-machine (M2M) communication is a critical component of the modern connected facility. OPC UA stands out as an…

Machine-to-machine (M2M) communication is a critical component of the modern connected facility. OPC UA stands out as an open protocol for making the link between shop floor and cloud systems.

Truly understanding how to implement IIoT technology requires tangible examples of machines, platforms, and data insights…

Truly understanding how to implement IIoT technology requires tangible examples of machines, platforms, and data insights that give relevance to high-level concepts.

Timers and counters are two of the most important fundamental function blocks in automation programming. Learn how to use…

Timers and counters are two of the most important fundamental function blocks in automation programming. Learn how to use TwinCAT 3 to program and monitor these important function variables.

Learn about how one example platform, KEPServerEX by PTC, uses OPC UA to integrate machine centers with various…

Learn about how one example platform, KEPServerEX by PTC, uses OPC UA to integrate machine centers with various communication protocol differences, the ultimate goal of M2M integration.

The simple tasks can lead to the most failures. Basic practices in the wiring assembly stages of a project can lead to…

The simple tasks can lead to the most failures. Basic practices in the wiring assembly stages of a project can lead to long-term success or haunting tales of intermittent yet persistent failures.

The SLC 500 PLC family dominated automation control for well over thirty years and now, with the recent discontinuation…

The SLC 500 PLC family dominated automation control for well over thirty years and now, with the recent discontinuation of most of the series, we look at the differences between SLC and modern Logix PLCs.

The OPC UA protocol is designed to solve two problems in automation: interoperability between device vendors and…

The OPC UA protocol is designed to solve two problems in automation: interoperability between device vendors and independence from incompatible transport layer differences.

This article takes an in-depth look at how magmeters work, the different types of magmeters, and useful equations for…

This article takes an in-depth look at how magmeters work, the different types of magmeters, and useful equations for calculating flow rates using a magmeter.

Some terminology, like 'normally open' and 'normally closed' switch contacts, is common throughout industry but can still…

Some terminology, like 'normally open' and 'normally closed' switch contacts, is common throughout industry but can still be confusing, misleading, or even hazardous if not properly understood.

Embedded, modular, panel mount, distributed, machine mount, and remote, oh my! What does it all mean, and how are you…

Embedded, modular, panel mount, distributed, machine mount, and remote, oh my! What does it all mean, and how are you supposed to know which one to choose for your application?

Regardless of industry, codes and standards developed by organizations including ISO, ANSI, and IEEE are an integral part…

Regardless of industry, codes and standards developed by organizations including ISO, ANSI, and IEEE are an integral part of the environment in which we work and have a major influence on engineering and design.

Electrical grounding is used to accomplish several different tasks, but none more important than for the safety of users…

Electrical grounding is used to accomplish several different tasks, but none more important than for the safety of users and equipment while maintaining strict adherence to regulations.