Latest I/O Devices and Sensors Technical Articles

Categories

A Polarizing Discussion: Using Diodes The Right Way Around

A Polarizing Discussion: Using Diodes The Right Way Around

Some devices, like switches, are non-polar; you can connect them in either direction. What makes diodes so special, and how can you tell the right way from the wrong way?


AI Algorithms Used in Predictive Maintenance

AI Algorithms Used in Predictive Maintenance

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.


All About PLCs: The CPU

All About PLCs: The CPU

Learn all about the central processing unit (CPU): the built-in module inside the PLC responsible for executing the program and communicating with external devices.


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?


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.


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.


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.


Logic at the Sensor Level: Can it Simplify Automation?

Logic at the Sensor Level: Can it Simplify Automation?

Sensor networks with built-in logic functions can save cost and program execution speed, but what are those various logic functions, and when might they be preferred over normal PLC ladder logic?


The Beginner’s Guide to Automation: Adding Control to the System

The Beginner’s Guide to Automation: Adding Control to the System

Every automated cell requires a ‘brain’ in order to achieve the required tasks. How do you determine the necessary I/O, communication protocols, and processor necessary for controlling your system?


Mitsubishi PLC Tutorial: Program and Display Strings In Ladder Logic

Mitsubishi PLC Tutorial: Program and Display Strings In Ladder Logic

Learn how to write a ladder logic program to assign a string value to a data register and share that register with any HMI compatible with Mitsubishi’s MELSEC PLC series.


Python Tutorial Part 3 | Data Structures: Lists

Python Tutorial Part 3 | Data Structures: Lists

This section will dive into the world of data structures used within the Python programming environment, starting with one of the more commonly used structures called ‘lists.’


Understanding Sensors with Timer Functions: Applications and Advantages

Understanding Sensors with Timer Functions: Applications and Advantages

Sensors with timer functions advance modern automation systems, enhancing the precision and flexibility of in-process controls to ease the strict requirement for an external, clock-based logic CPU.


The Beginner’s Guide to Automation: Making Sense of Prox Sensors

The Beginner’s Guide to Automation: Making Sense of Prox Sensors

Detecting objects is the first field-level task that must be considered before any feedback-based control can happen. Choosing from among the nearly unlimited proximity sensors can be challenging!


Two Common Methods Used for Mapping Robot I/O Communication

Two Common Methods Used for Mapping Robot I/O Communication

There are multiple methods for mapping inputs and outputs to an industrial robot. In this article, we cover two of the most popular methods: letting the robot or the PLC control the I/O signals.


How-to: Programming Discrete I/O With a Koyo DirectLOGIC PLC

How-to: Programming Discrete I/O With a Koyo DirectLOGIC PLC

Learn how to use DirectSOFT6 to program discrete I/O functions in a Koyo DirectLOGIC PLC. Although these PLCs are older, they are found in many existing automation installations.


Beginner’s Guide to Automation: How to Choose the Right Project

Beginner’s Guide to Automation: How to Choose the Right Project

There are a lot of companies considering in-house automation or consulting with integrators for automated systems. But where do you start, and how do you even pick a project for automation?


Using a PLC to Track Data Within Automated Equipment

Using a PLC to Track Data Within Automated Equipment

There are a few options when it comes to tracking part data throughout a process or assembly of a machine. Follow along as we explain just a few of the more common methods.


Power and Precision | Electrical Motor-Driven Linear Actuators

Power and Precision | Electrical Motor-Driven Linear Actuators

Electrical control holds many advantages over fluid power with precise control, feedback, and a lower-maintenance system. But how do electric actuators work, and how do they stack up against fluids?


Techniques for I/O Mapping in PLC Programs

Techniques for I/O Mapping in PLC Programs

I/O mapping is the process of converting raw input and output data into specific tags, but how can we find a method for mapping I/O that is both efficient and scalable?