Some terminology, like 'normally open' and 'normally closed' switch contacts, is common throughout industry but can still be confusing, misleading, or even…
Some terminology, like 'normally open' and 'normally closed' switch contacts, is common throughout industry but can still be confusing, misleading, or even hazardous if not properly understood.
There are two types of winding designs inside three-phase industrial motors: Wye and Delta. Although the motors and…
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.
This article includes a list of some common definitions for industrial networking concepts, described in simplified terms…
This article includes a list of some common definitions for industrial networking concepts, described in simplified terms to provide a baseline understanding of the concepts.
Have you ever needed to know the temperature, pressure, flow, or other measurement on location, but the readout is way…
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.
Function block diagram (FBD) programming is a common language for PLCs following the IEC 61131 standard. What is FBD, and…
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?
Whether working with measurement tools or process controllers, it is important to recognize faulty display values and the…
Whether working with measurement tools or process controllers, it is important to recognize faulty display values and the best ways to fix them.
From forest to felling, logging road to mill, finished lumber’s adventure on its way to market is filled with control…
From forest to felling, logging road to mill, finished lumber’s adventure on its way to market is filled with control and automation. Learn about the process from start to finish and how lumber mills ensure the world has access to high-quality lumber thanks to control technology.
Triggering a machine by an external event often requires a pulse timer for OpenPLC Pulse Timer control. Here’s a brief…
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.
Driving motors is one of the most fundamental automation tasks, but understanding and selecting the proper motor soft…
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.
Measuring time delays between equipment events predates digital control systems. What are the types of timers, and how…
Measuring time delays between equipment events predates digital control systems. What are the types of timers, and how did they work before the advent of PLCs? And how do PLCs continue the tradition?
Direct current (DC) motors have existed since the late 19th century. What sets these motors apart from AC models, how do…
Direct current (DC) motors have existed since the late 19th century. What sets these motors apart from AC models, how do you control them, and how can you tell when it’s time to repair or replace them?
Temperature profiling is an effective tool to monitor thermal properties in process equipment. This article defines…
Temperature profiling is an effective tool to monitor thermal properties in process equipment. This article defines temperature profiling, discusses the process components, and describes the various benefits it offers.
Selecting a suitable electrical connector is a process that is based on how you will terminate it to the system. This…
Selecting a suitable electrical connector is a process that is based on how you will terminate it to the system. This article provides advice on how to make the right contact selection for your industrial or robotic system.
Industrial and robotics cabling requires specialized termination strategies. This article introduces connectors involved…
Industrial and robotics cabling requires specialized termination strategies. This article introduces connectors involved in automation applications for cable-to-cable or cable-to-device termination.
This article features an in-depth discussion of the various options for buttons and switches, including function, styles,…
This article features an in-depth discussion of the various options for buttons and switches, including function, styles, shapes, and illumination options for all kinds of control panel inputs.
We usually think of joysticks in terms of video game controllers, but they exist in all kinds of industrial systems:…
We usually think of joysticks in terms of video game controllers, but they exist in all kinds of industrial systems: heavy equipment, overhead cranes, and even some robotic controls. But how do they work?
Variable control allows external conditions, like temperature, to be monitored so the controller can activate devices to…
Variable control allows external conditions, like temperature, to be monitored so the controller can activate devices to heat or cool the system as needed. Simulate a temp controller with low-cost components!
Designing, installing, and maintaining control systems involves a lot of wires. Each wire has a purpose, often indicated…
Designing, installing, and maintaining control systems involves a lot of wires. Each wire has a purpose, often indicated by the color of the insulation. But what are the common colors, and what do they mean?
Limit switches are electromechanical devices that open or close contacts when external pressure is applied to an…
Limit switches are electromechanical devices that open or close contacts when external pressure is applied to an actuator. This solves a simple problem faced by motion devices: limiting movement
Learn about the history, framework, and current uses of the Open Platform Communications United Architecture (OPC UA)…
Learn about the history, framework, and current uses of the Open Platform Communications United Architecture (OPC UA) communication protocol in industrial automation.