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Troubleshooting PLCs and I/O Modules Using Tools and Instruments

When inputs or outputs stop working, the equipment fails to respond and money starts slipping away. Dive into the concept of troubleshooting I/O without ever opening the PLC software.

November 21, 2023 by Shawn Dietrich

Data Flow Tutorial With Mage.ai | Part 2: Initializing the Software

Data pipelines are software services that progress the data from source to storage, hopefully without too much programming complexity. In this article, we begin by initializing the mage.ai software.

November 20, 2023 by Michael Levanduski

STEP RIGHT UP, Get Your IP Address Here! Understanding BOOTP vs. DHCP

When IT and OT converge on the shop floor, it’s important to understand how and when to let a computer control the assignment of network addresses, or when you would rather keep it under control.

November 16, 2023 by David Peterson

Identifying and Troubleshooting Pressure Changes in Fluid Systems

Pressures are always rising and falling in fluid systems. Sometimes the changes are extreme and lead to damage. What causes problematic pressure changes, and how can you trace them to their source?

November 15, 2023 by Damond Goodwin

Handling of Power System Data: Engineering Limits and Data Currency

Power systems rely on meaningful data, as do most other processes. Within SCADA environments, individual data points are tracked, compared to limits, and evaluated to obtain current readings.

November 08, 2023 by Munir Ahmad

Understanding Delta-Wound Three-Phase Motors for Industrial Applications

There are two types of winding designs inside three-phase industrial motors: Wye and Delta. Although the motors and connections look similar on the outside, this article discusses the internal construction for Delta wound motors.

October 16, 2023 by David Peterson

Using Loop Powered Isolators to Solve Ground Loop Problems

Many signal sources and process transmitters do not include isolation, which can cause problems when the instruments are at different locations. A loop powered isolator is often the solution.

October 08, 2023 by Harry Trietley

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.

October 04, 2023 by Shawn Dietrich

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.

October 03, 2023 by Eric Whitley, L2L

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.

October 03, 2023 by Harry Trietley

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?

September 18, 2023 by David Peterson

Duties of Power Plant Operators, The Journey From Entry to Senior Operator

When beginning a new career, an obvious question is how to take positive steps, from your first day inside the plant all the way to becoming an experienced senior operator.

September 14, 2023 by Munir Ahmad

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.

September 05, 2023 by Shawn Dietrich

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?

September 04, 2023 by Seth Price

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?

August 28, 2023 by David Peterson

Human Factor Engineering: Designing an Intuitive HMI

Designing a control system is a difficult task in itself, but designing the graphical interface for an everyday user can be a very different kind of challenge that involves mental and physical considerations.

August 22, 2023 by Seth Price

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.

August 16, 2023 by Michael Levanduski

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.

August 15, 2023 by David Peterson

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.

August 10, 2023 by Antonio Armenta

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.

August 09, 2023 by Michael Levanduski