Latest Metal Technical Articles

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.

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.

Before tuning a motion axis, you must define the axis. If the control system doesn’t understand the axis properties or…

Before tuning a motion axis, you must define the axis. If the control system doesn’t understand the axis properties or specifications, it can’t be expected to effectively complete the tuning process.

Learn about the modules and systems that provide a network connection to the outside world, transforming traditional PLCs…

Learn about the modules and systems that provide a network connection to the outside world, transforming traditional PLCs into true, modern process automation controllers (PAC).

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.

Learn all about the power supply: modular and built-in devices that deliver electricity to the PLC backplane and modules,…

Learn all about the power supply: modular and built-in devices that deliver electricity to the PLC backplane and modules, and learn the difference between control and field device power delivery.

Across every make and model of articulated robot, certain maintenance procedures must be followed as motion occurs.…

Across every make and model of articulated robot, certain maintenance procedures must be followed as motion occurs. Failure to do so can often result in warnings, alarms, and even failure.

Several use cases for industrial AI get a lot of attention, like maintenance and process optimization. Learn how AI has…

Several use cases for industrial AI get a lot of attention, like maintenance and process optimization. Learn how AI has been used for years to ensure high-quality product monitoring and output.

Many online sources explain how to reverse a 3-phase motor; this article will discuss the electrical principles that…

Many online sources explain how to reverse a 3-phase motor; this article will discuss the electrical principles that define why it works and how the phase relationships determine the rotation direction.

No doubt you have heard all about the use cases of AI and predictive maintenance. Learn about the algorithms that are…

No doubt you have heard all about the use cases of AI and predictive maintenance. Learn about the algorithms that are actually used to provide analysis and insights based on industrial data sets.

Predicting when maintenance should occur isn’t simply a matter of getting on board with the latest trend, it can save…

Predicting when maintenance should occur isn’t simply a matter of getting on board with the latest trend, it can save many thousands of dollars in lost downtime and unnecessary parts and labor.

While mathematical expressions are important in any programming language, the topic of math functions addresses not just…

While mathematical expressions are important in any programming language, the topic of math functions addresses not just the algorithms themselves, but the design of custom functions within Python.

Building precise rotating or linear systems often costs a lot! When is it justified to spend the extra cost to design and…

Building precise rotating or linear systems often costs a lot! When is it justified to spend the extra cost to design and build such a system, and what are the different components and system types?

Two primary technologies are used for creating touchscreens. For industrial HMIs, resistive and capacitive methods both…

Two primary technologies are used for creating touchscreens. For industrial HMIs, resistive and capacitive methods both contain certain advantages for various applications.

Learn how to use ‘for loops’ in Python to create complex, iterable tasks such as modifying lists, combining lists…

Learn how to use ‘for loops’ in Python to create complex, iterable tasks such as modifying lists, combining lists into dictionaries, or iterating over a dictionary.

Learn how to use Festo's FluidSIM software to design and simulate a pneumatic cylinder extension system using GRAFCET as…

Learn how to use Festo's FluidSIM software to design and simulate a pneumatic cylinder extension system using GRAFCET as the control method.

Learn how to use an AutomationDirect BRX PLC with the Do-more Designer software. This tutorial will cover discrete I/O…

Learn how to use an AutomationDirect BRX PLC with the Do-more Designer software. This tutorial will cover discrete I/O commands along with basic timing and counting ladder functions.