We found 251 posts about Automation Technologies from DO Supply, a global automation parts
reseller focused on hard-to-find and obsolete industrial automation products.
In the modern world, sensors are quite literally everywhere you see. Whether it’s the gyroscope in your phone detecting when you’ve lifted it so it can turn the screen on, or the TPMS in your car’s tires alerting you to low air pressure, sensors constantly translate the physical world into something machines can understand. A sensor, in the broadest term, is a device that connects the physical world to its digital counterpart. It responds to a specific measurand, such as distance, pressure, light, or temperature, to give a usable output. Otherwise, how else would a machine know the temperature of ambient air, or the weight of a package sitting on a scale without elaborate mechanical linkages? While thousands of sensors are used in everyday life, in automation the scope of sensors narrows considerably. On the factory floor, most sensing tasks boil down to one core question: Is something there, and if so, where? In this guide, we focus on the most common and widely used sensor types:...
When it comes to selling products, there are a few marketing terms we’ve all become familiar with. Heavy-duty, military-grade, high-performance, next-generation, and so on. On paper, those phrases sound meaningful, but most of the time, they exist purely to catch your eye rather than explain anything measurable. Automation is one of those areas where this pattern starts to break down. In this space, “industrial grade” is usually shorthand for real design decisions, environmental ratings, and long-term reliability expectations that consumer hardware never has to meet. Though there is much more to it than that, so join us as we unravel the facts between marketing and what truly makes a product industrial grade. To understand why industrial grading is needed, it’s best to start by looking at the industry as a whole. Industrial automation covers a broad spectrum, from marine and offshore plants to chemical and fertilizer plants. Each presents its own set of hazards, some of which are:...
Industrial automation systems in 2026 have advanced to become both extremely uptime-critical and software-defined. The choice of a suitable PLC brand is therefore no longer solely determined by manufacturer/vendor reputation, cycle time, and I/O count. Instead, selecting the right PLC brands is based on compliance with emerging safety guidelines, cybersecurity features, compatibility with cloud computing platforms, extensive lifecycle management, and continued vendor support. Beyond key technical capabilities, comprehensive lifecycle management and long-term vendor commitment are becoming essential when choosing among PLC brands. This article presents a detailed technical comparison of leading PLC brands in 2026, focusing on lifecycle support, cost-effectiveness, and system reliability. The ControlLogix and CompactLogix controller platforms are the most renowned Allen-Bradley PLC brands within North America for industrial automation, though other PLC lines, such as MicroLogix, are...
The accuracy of CNC machining is not a characteristic in itself but rather an overall system that emerges from the interaction and functioning of the machine’s core systems. The micron-level precision and repeatability achieved by the machining system derive directly from design decisions within the core components of a CNC system. The machining system’s accuracy is built into its robust mechanical design, feedback control, and compensation for natural forces such as vibration, friction, and thermal expansion. This analysis will review the core components of a CNC system and identify the specific details within each component. The MCU is the processing hub where the digital model is developed into executable physics. This is the CNC part that, rather than simply executing G-code commands, is responsible for real-time kinematic calculations, which account for simultaneous movements of multiple axes while adhering to correctly programmed feed rates and trajectories. The accuracy aspect...
Automated manufacturing depends on the accuracy and reliability of computer numerical control (CNC) technology. The operation of a CNC depends on the optimal integration of various CNC machine parts. Each part of a CNC machine has a specific function in translating design codes into a physical product with minimal human intervention. This article explains the operational framework of a CNC machine by describing the specific functions of each key part in the automated manufacturing process. The command and monitoring center of the system comprises several major machine components. In a CNC machine, the machine control unit (MCU) serves as the centralized processor. It understands the G-code and M-code programming, determining the movement path and the function of operating all other components in the machine. It converts the data from the programming into electrical signals to actuate the machine’s drive system. The control panel represents the main human-machine interface. The control...
When working on industrial equipment, whether it’s a PLC, a motor starter, or a full control cabinet, integrators almost inevitably encounter 24V DC. It shows up everywhere, quietly powering sensors, I/O, safety circuits, and control logic. What makes this curious is that most of us don’t use 24V DC in everyday life. In the United States, homes are wired for 120V AC, while many consumer devices run on anything from 5 to 12 volts DC through built-in power supplies. That contrast raises an obvious question. If so many voltages already exist and work perfectly well in other environments, why has industrial automation settled so firmly on 24V DC? At first glance, this answer may seem too simple. After all, when compared to 120V AC or even 480V, 24V DC is a lot less scary to work with. Accidental contact is far less likely to result in serious injury, which immediately lowers risk during installation, troubleshooting, and maintenance. In environments where panels are opened daily and...
If you open a PLC rack and point to the CPU, most people will tell you it’s “the brain of the system” and then immediately stop talking. Not because that explanation is wrong, but because it usually leads straight into computer science terms that don’t help much when you’re trying to understand what the PLC is actually doing. Really, the CPU is more like a little worker instead of a brain. His main task is to ensure nothing is on fire, read and understand the instructions given to him, tell the rest of the system what to do based on them, and record the results. This happens thousands of times a second without our little worker getting distracted or tired. Once you look at it that way, the CPU no longer feels abstract, and you can follow its thought process step by step to see why timing matters. Though there is more to it than that, so let’s decipher what the CPU does inside of a PLC, all in plain English. You’ll often see the terms CPU and processor used interchangeably, especially...
One of the core designs of any product, whether it be a video game menu, your phone’s operating system, an HMI, or the laptop used to program it, is its User Interface. The UI, by definition, is the space where interactions between humans and machines occur, and is especially important to get right as it’s what stands between you and the task at hand. If executed poorly, this will lead to user frustration, anger, and reduced willingness to use it. After all, would you still use a phone if you had to jump through five menus every time just to unlock it? Of course not. The same human-centric design principle applies to industrial Human-Machine Interfaces as well. So let’s get into what makes an HMI design great and why it matters to the operator using it! A bad HMI UI design is easier to recognize because it stands out much more. This can lead to operator error, misinterpreted information, or downtime if it is severe enough. Some of the more common poor UI choices for HMIs are: Shop for...
Analog and digital inputs are the primary mechanisms by which automation systems interpret and sense the physical world. Each industrial automation system relies on input signals to measure process variables, monitor states, and provide feedback to the connected controller. Originating from field input devices such as transmitters, switches, pushbuttons, and sensors, these signals are transmitted to input modules and serve as the foundation for all subsequent decision-making and control logic. Input modules in automation systems are engineered to reliably convert electrical signals into usable data while maintaining high accuracy, effective electrical isolation, and immunity to noise. The key distinction between digital and analog inputs lies in how information is represented: digital inputs communicate information in discrete, non-continuous steps, typically representing binary states such as ON/OFF or True/False, while analog inputs utilize continuously varying measurements to...
Have you ever come across a video where a solid block of metal, with no visible seams, suddenly has a perfectly formed part pushed out of it? Or watched two separate pieces slide together so cleanly that they appear to be a single solid component? As tempting as it may be to chalk that up to black magic, the reality is far more interesting. These parts are often produced using a process called wire electrical discharge machining. Wire EDM is responsible for achieving micron-level tolerances, producing components that fit together with extraordinary precision. The basic concept is similar to cutting a block of foam or cheese with a thin wire. Still, instead of mechanical force, the process relies on controlled electrical discharges and carefully coordinated CNC components to remove material without ever making contact. To understand how wire EDM achieves this level of accuracy, it helps to start with the fundamentals of the process. Wire electrical discharge machining, or wire EDM, is...
The words CPU and Processor are among the basic terms in modern computing architecture, yet the subtle association between them has been neglected. The accurate definition of the CPU vs. Processor dynamic is not only an academic tool but also a very important one for engineers, system architects, and automation specialists who must make the most of their systems’ performance. This in-depth exploration of the CPU vs Processor will break down the two functions, discuss the performance characteristics that distinguish them, and explain how they directly affect the two pillars of current computing: automation speed and deterministic logic execution. The Central Processing Unit (CPU) is clearly the brain of the computer system. It is a dedicated element for the flow of instructions and data up and down the system and is subject to the fetch-decode-execute cycle. Since it is the computer component that fetches and executes instructions, its architecture comprises an Arithmetic Logic Unit...
Computer Numerical Control (CNC) machines have revolutionized modern manufacturing, delivering the top-notch accuracy, productivity, and consistency that conventional machining cannot achieve. When applied to different industrial equipment, CNC systems rely on a highly integrated blend of mechanical and electronic components operating together. Understanding the various components of CNC machines is very important for anyone who wants to increase machining efficiency or diagnose problems. This article outlines the key components of a CNC machine, describes their roles, and explains why each component is important for overall machine reliability and production quality. The frame or base forms the backbone of the CNC machine. The structure keeps different parts intact by enclosing them, such as the spindle, table, and axes. Mainly made from cast iron, steel, or a polymer composite, the frame provides hardness and reduces vibration intensity during operation. A solid frame guarantees...
Your core CNC Machine Parts choices are among the most critical factors to determine, from a performance, precision, and cost perspective, for engineers, machinists, and procurement specialists alike. Drive motors are among the most essential CNC Machine Parts. The choice between servo and stepper motors has always been a discussion in the design and selection of a CNC system. Today, we will go over each one and see what applications allow one to shine over the other. Buy Allen-Bradley VPL Servo Motors Here Before delving into the specifics of stepper and servo systems, it is essential to understand their role. These motors are the prime movers, the components that translate digital commands into precise physical motion. The choice between a stepper motor and a servo motor influences every aspect of a machine’s capabilities, from its maximum speed and cutting torque to its positioning accuracy and operating cost. Selecting the correct motor from the vast array of CNC machine parts is...
Over the years, spindle motors have come a long way, from brute-force systems to finely tuned systems that balance torque, speed, and feedback with almost surgical precision. The trio leading this charge is stepper motors, servo motors, and variable frequency drives (VFDs). Each represents a different philosophy of motion: one steps with mechanical certainty, one reacts with sensory feedback, and the last bends AC power to its will. Choosing between these different motors isn’t about picking the latest and most expensive, but rather about what would fit the job at hand. After all, milling aluminum molds, engraving circuit boards, or turning precision shafts all place different demands on torque stability, acceleration, and accuracy. Understanding how each control method meets those demands separates a good CNC build from a great one. Before encoders, feedback loops, and tuning parameters even came into light, stepper spindle motors provided dependable and accurate motion that you...
Given the diverse and constantly advancing landscape of PLC brands, a strategic comparison of each brand’s unique features and capabilities is essential to choosing the best PLC for your application. Evaluating factors such as performance, design, safety, connectivity, scalability, and cost against your specific application needs will lead to the right decision. This article provides a detailed comparison of leading PLC brands:Allen-Bradley, Siemens, Mitsubishi, and Schneider PLCs. Developed through a long history of technological advancements, Allen-Bradley PLC brands, by Rockwell Automation, are smart, high-performance, multi-disciplined control solutions. They leverage robust design and advanced technology to enable more operational efficiency, reliability, scalability, and application flexibility. Shop for Allen-Bradley PLCs Here ControlLogix Series: A high-performance Allen-Bradley PLC brand that offers a powerful combination of integrated safety, high-speed processing, and...
