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Loop Powered Process Displays to Add Easy Measurements

Loop Powered Process Displays to Add Easy Measurements

Have you ever needed to know the temperature, pressure, flow, or other measurement on location, but the readout is way off in the control room? Here’s an easy way to add a readout in the field.


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?


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?


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?


PLC Programming With Function Block Diagrams

PLC Programming With Function Block Diagrams

Function block diagram (FBD) programming is a common language for PLCs following the IEC 61131 standard. What is FBD, and how does it differ from the familiar ladder logic programs?


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?


What Can Go Wrong With Electrical Process Measurements?

What Can Go Wrong With Electrical Process Measurements?

Whether working with measurement tools or process controllers, it is important to recognize faulty display values and the best ways to fix them.


Understanding XML and Data Exchange Formats for Industrial Settings

Understanding XML and Data Exchange Formats for Industrial Settings

The basic component of data exchange between devices, machines, and embedded systems serves as a hallmark foundation in every organization’s Industry 4.0 implementation process.


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.


What Does ‘Explosion Proof’ Mean, and Who Should Care?

What Does ‘Explosion Proof’ Mean, and Who Should Care?

Some workplaces are more dangerous than others, not because of the practices, but rather the products. Where do explosions occur, and what practices exist to reduce such risk for equipment and workforce?


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.


What You Need to Know: Soft Starters for Industrial Motors

What You Need to Know: Soft Starters for Industrial Motors

Driving motors is one of the most fundamental automation tasks, but understanding and selecting the proper motor soft starter for your application may require more investigation than you thought.


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.