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Machine-to-Machine Integration with OPC UA

Machine-to-Machine Integration with OPC UA

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


Electromagnetic Flowmeters | Using Magnetic Force to Sense Fluid Flow

Electromagnetic Flowmeters | Using Magnetic Force to Sense Fluid Flow

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.


Info Byte: Normally Open vs. Normally Closed: What Does It Mean?

Info Byte: Normally Open vs. Normally Closed: What Does It Mean?

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.


Understanding I/O Terminal Types And When To Use Them

Understanding I/O Terminal Types And When To Use Them

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?


Introduction to Codes and Standards for Instrumentation and Controls Engineers

Introduction to Codes and Standards for Instrumentation and Controls Engineers

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.


Fundamentals of Grounding and Safety: Protecting People and Equipment

Fundamentals of Grounding and Safety: Protecting People and Equipment

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.


All About PLCs: The Power Supply Unit

All About PLCs: The Power Supply Unit

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.


Reversing the Rotation of an Industrial 3-Phase Motor

Reversing the Rotation of an Industrial 3-Phase Motor

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.


Electrical Instruments and Gauges: Connection and Configuration

Electrical Instruments and Gauges: Connection and Configuration

In any process industry, transducers are the basic instrumentation unit for continuous monitoring of system variables that provide inputs for control system algorithms and outputs.


Industrial Maintenance: How AI Can Predict Failures Before They Happen

Industrial Maintenance: How AI Can Predict Failures Before They Happen

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.


Motion Control: It’s More Than Just “Point A to Point B”

Motion Control: It’s More Than Just “Point A to Point B”

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?


Touching on Touchscreens | Capacitive vs. Resistive Technologies

Touching on Touchscreens | Capacitive vs. Resistive Technologies

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


How To: Use ControlByWeb’s I/O Controller for Web-Based Logic

How To: Use ControlByWeb’s I/O Controller for Web-Based Logic

Logic is critical for industrial control, and it usually looks like ladders, function blocks, or structured text. I/O controllers are designed to automate simple logic tasks and data functions.


Seal-In Ladder Logic vs. Latching/Unlatching PLC Commands

Seal-In Ladder Logic vs. Latching/Unlatching PLC Commands

An age-old debate in PLC programming: investigating the uses and caveats of latching software commands versus seal-in ladder logic for industrial control applications.


The Beginner’s Guide to Automation: Maintaining Your System

The Beginner’s Guide to Automation: Maintaining Your System

It's important to keep your system up and running without regular intervention. While every system requires maintenance, never overlook the critical importance of tools and training for the operators.


Tutorial: Analog Signals with Phoenix Contact’s PLCnext Platform

Tutorial: Analog Signals with Phoenix Contact’s PLCnext Platform

Learn how to connect analog inputs, either voltage or current, to the Phoenix Contact’s IIoT PLC platform and design simple data processing programs with the PLCnext Engineer IDE.


Python Tutorial Part 6 | Data Structures: Sets

Python Tutorial Part 6 | Data Structures: Sets

Wrapping up the data structures portion of our journey are sets. This is the least frequently used data structure, but don’t write off the set just yet. Its efficiency and simplicity may provide value in manufacturing data processing.


Python Tutorial Part 5 | Data Structures: Tuples

Python Tutorial Part 5 | Data Structures: Tuples

As we approach the conclusion of Python data structures, we’ll examine the tuple. Used less frequently than lists and dictionaries, tuples do serve some handy use cases where immutability is a critical requirement.


Tutorial: First Program With Phoenix Contact’s PLCnext Platform

Tutorial: First Program With Phoenix Contact’s PLCnext Platform

Learn how to get started with Phoenix Contact’s PLCnext and Engineer software, a platform that ultimately provides a PLC environment for plant control as well as an OS for more advanced IIoT projects.


Python Tutorial Part 4 | Data Structures: Dictionaries

Python Tutorial Part 4 | Data Structures: Dictionaries

Both lists and dictionaries can retain structured data in Python. The dictionary is unique in that it stores individual entries with human-readable logical names rather than index numbers.