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Tutorial: Arduino and AutomationDirect Merged in the ProOpen PLC

Tutorial: Arduino and AutomationDirect Merged in the ProOpen PLC

Having separately covered Arduino’s microcontroller platforms and AutomationDirect Productivity PLCs, it’s time to take the wheel of the ProOpen, a PLC that combines modularity with C++ programming.


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?


What Is a ‘Valve Spool’ and How Do Spool Valves Work?

What Is a ‘Valve Spool’ and How Do Spool Valves Work?

Fluid control valves rely on the opening and closing of internal passageways to direct the flow of power. But what do they look like inside, and how do these ‘valve spools’ actually work?


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.


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?


DCS vs. SCADA: What’s the Difference?

DCS vs. SCADA: What’s the Difference?

Controlling and optimizing plant processes is the goal of most control systems. It can be a challenge to distinguish between different types of control: a DCS or a high-level SCADA system?


Understanding Industrial Ethernet Connections: RJ45, Fiber, M12, and SFP

Understanding Industrial Ethernet Connections: RJ45, Fiber, M12, and SFP

Ethernet switches can use four different types of connections: RJ45, fiber, M12, and SFP. Understanding the difference can help with network troubleshooting, design, or alteration.


Temp Sensing With RTDs: Wiring Connection and Transmitter Setup

Temp Sensing With RTDs: Wiring Connection and Transmitter Setup

Learn how to measure temperature using an RTD and a temperature transmitter to convert resistance into common analog voltage or current values for process control.


How-To: Servo Motor Control Concepts and Programming

How-To: Servo Motor Control Concepts and Programming

Learn how to control servo motors from a PLC using Allen-Bradley servos and Rockwell Automation’s Studio 5000 using a simple-to-understand method.


Designing a Custom Machine Alarm System: From PLC to HMI

Designing a Custom Machine Alarm System: From PLC to HMI

Creating custom alarm systems can be complicated and overwhelming, but they can also be very beneficial for equipment builders and integrators. Follow along as we build a custom alarm handling system.


Case Study: How One Company Saved Hours on Code Review With Version Control Software

Case Study: How One Company Saved Hours on Code Review With Version Control Software

Version control software allows manufacturers to automatically save code revisions across teams. Learn how Automation NTH leveraged this strategy to save countless hours and increase reliability.


Too Much Current! Breaker Curves and Overload Trip Classes

Too Much Current! Breaker Curves and Overload Trip Classes

We know what a circuit breaker is meant to do: stop the flow of electricity in case of a fault or failure. But just like fuses, breakers and overloads respond differently depending on the load.


What is a Servo, and How do Servo Motors Work?

What is a Servo, and How do Servo Motors Work?

Servo motors are common in all kinds of motion control applications for various industries, but what are these devices, and what makes them different from standard AC or DC motors?


Using Virtualization Technology to Enhance Industrial Control System

Using Virtualization Technology to Enhance Industrial Control System

Automated control systems incorporate virtualization technology to reduce physical hardware, automatically minimizing the cost of IT/OT equipment, installations, and maintenance efforts.


Turn a Raspberry Pi Into a PLC Using OpenPLC

Turn a Raspberry Pi Into a PLC Using OpenPLC

Using a Raspberry Pi and the OpenPLC software platform, create a simple PLC that can be programmed in ladder diagrams with remote access and I/O monitoring dashboards.


Back to the Basics: Pressure Units and Measurements

Back to the Basics: Pressure Units and Measurements

What is pressure? Everybody knows about this important quantity, but how do you define it? How do you measure it? Where does it come from? In this article, we’ll learn about the basics of pressure.


How to Wire Motor Starters and Contactors

How to Wire Motor Starters and Contactors

This article investigates the basic components and wiring conventions for common three-phase motor starter configurations, including direct online, reversing, and star-delta.


UDW Data Calculations, Post Disturbance Review, UI, and Backup | Part 2

UDW Data Calculations, Post Disturbance Review, UI, and Backup | Part 2

Effectively managing data includes processing it after initial collection: performing calculations, reviewing for anomalies, and displaying the data for easier actionable insights.


What is a Safety PLC?

What is a Safety PLC?

This article investigates the basic qualities that make up a safety PLC, what distinguishes a safety PLC from a standard model, and the reasons for which a safety PLC may be critical.


Understanding RMS and True RMS for Meters and Mechanical Measurements

Understanding RMS and True RMS for Meters and Mechanical Measurements

Electrical and mechanical measurements are often labeled with "RMS" and "True RMS." Aside from the simple math definitions we learned in electronics class, why is this distinction actually important?