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Human Machine Interface (HMI): Controls and Data Types

Human Machine Interface (HMI): Controls and Data Types

An overview of HMI data types, input controls, output indicators, and message functions, the building blocks used to construct informative and appealing HMI applications.


5 Reasons Why Sensors Are Crucial For Modern Manufacturing

5 Reasons Why Sensors Are Crucial For Modern Manufacturing

Data has become the currency that enables operational excellence. Sensors are the key links, acting as the eyes and ears of modern manufacturing units by providing real-time data on machine performance.


Understanding Fiber Optic’s Role in Photoelectric Sensing

Understanding Fiber Optic’s Role in Photoelectric Sensing

Photoelectric sensors and fiber optic sensors are very similar in a lot of ways, but which one is superior in function and durability, and under what conditions might one be preferred?


Cobot Roundup: Who Makes Them and What Makes Them Special

Cobot Roundup: Who Makes Them and What Makes Them Special

Cobots have recently been hailed as one of the latest and greatest innovations in production and manufacturing automation. But are collaborative robots living up to their reputation? Control.com investigates the benefits and drawbacks of these versatile industrial machines.


PLC CPU Modes Explained: Run, Stop, and Program

PLC CPU Modes Explained: Run, Stop, and Program

A PLC can be placed in Run or Stop, or occasionally Program mode, usually through physical or virtual methods. But what do these modes mean, and when should they be used?


Origin Story: Meet Unimate, the First Industrial Robot

Origin Story: Meet Unimate, the First Industrial Robot

Most commercial control technologies have fascinating histories, especially industrial robots. Here’s the story behind the development of Unimate, the world’s first.


PLC Programming: Best Practices for Function Block Diagrams

PLC Programming: Best Practices for Function Block Diagrams

Function block diagrams can be a useful tool, but they can also add a lot of complexity. Learn about the what, when, where, and why of function block diagram (FBD) programming.


Ethernet Ports on Controllers: How Many, and What do They Do?

Ethernet Ports on Controllers: How Many, and What do They Do?

Some controllers and network devices have one port, while others have two. Why is there a difference, and what advantages does having two network ports actually provide?


A Tale of Two Standards | Comparing Analog Voltage and Current

A Tale of Two Standards | Comparing Analog Voltage and Current

Analog voltage and current are the dominating standards for industrial technology. Is one format better than the other? And if so, why do both signal types still exist in modern systems?


How to Design and Deploy a Web-Based HMI Project - Part 1

How to Design and Deploy a Web-Based HMI Project - Part 1

A walkthrough and discussion of a simple web-based HMI solution that could modernize your current HMI technology stack. The first step in the process involves sending data from a device to a server.


Three Things About IO-Link Sensors That May Shock You

Three Things About IO-Link Sensors That May Shock You

Control.com’s Director of Engineering got to explore IO-Link sensors and what he found might surprise you! Although still considered an “emerging” technology, it’s clear IO-Link technology boasts several bonafide benefits over traditional sensors.


System Dynamic and Frequency Response Analysis

System Dynamic and Frequency Response Analysis

Understanding the building blocks of s-domain analysis and magnitude response theory can go a long way in helping engineers predict how and why some system design choices are made over others.


How to Design and Deploy a Web-Based HMI Project - Part 4

How to Design and Deploy a Web-Based HMI Project - Part 4

Refining and integrating a front-end HMI application to an API middle layer with real-time data display and historian capabilities for short-term data visualization.


How to Design and Deploy a Web-Based HMI Project - Part 3

How to Design and Deploy a Web-Based HMI Project - Part 3

Learn the first steps in focusing on the integration of a front-end HMI application to an API middle layer.


How to Design and Deploy a Web-Based HMI Project - Part 2

How to Design and Deploy a Web-Based HMI Project - Part 2

The middle layer, or API layer of a custom-built HMI project involves a server that can submit or receive data to and from a device, either to provide the user interface or interact with the machine.


Explaining User-Defined Data Types for PLC Programming

Explaining User-Defined Data Types for PLC Programming

User-defined data types (UDTs) are a powerful and useful tool when applied to their full advantage. However, misused, they can become problematic and introduce roadblocks to troubleshooting and upgrading PLC programs.


Creating a Low-Cost OpenPLC Pulse Timer Function Block HMI with an M5Stack Core

Creating a Low-Cost OpenPLC Pulse Timer Function Block HMI with an M5Stack Core

Triggering a machine by an external event often requires a pulse timer for OpenPLC Pulse Timer control. Here’s a brief tutorial on how an M5Stack Core can offer a simple, effective low-cost Arduino OpenPLC HMI solution.


Beginner’s Guide to Programmable Encoders

Beginner’s Guide to Programmable Encoders

Programmable encoders provide engineers real flexibility to adjust process parameters. From operating theory to programming methods, here’s everything you need to know to begin leveraging these handy devices.


Understanding the Automation Lingo: PLC, PAC, RTU, DCS, and SCADA

Understanding the Automation Lingo: PLC, PAC, RTU, DCS, and SCADA

What are these terms, PLC, PAC, RTU, DCS, SCADA? Why are they so important to industrial robotics and automation? Explore how each different piece functions to build a comprehensive automated system.


Examples of Analog Signals in Control Systems

Examples of Analog Signals in Control Systems

Many articles address the wiring and implementation of analog control signals, but where are they used, and what might make them a better (or perhaps worse) decision than digital input/output devices?