We found 59 posts about Technology Insights from DO Supply, a global automation parts
reseller focused on hard-to-find and obsolete industrial automation products.
DC motor systems remain deeply embedded in industrial infrastructure. Steel rolling mills, paper machines, mine hoists, crane drives, and extruders continue to operate on DC drives, where their precise torque-speed controllability justifies retention. Yet these systems carry a well-documented efficiency liability: energy losses distributed across electrical, magnetic, mechanical, and power conversion pathways that compound significantly at partial load. Regardless of the application, even small reductions in DC motor losses can yield significant gains in overall process efficiency, motor life, and cost-effectiveness. Understanding each loss mechanism at the parameter level and matching it to a specific DC drive mitigation strategy is the foundation of any credible energy optimization program in a DC-driven facility. Armature copper loss is the dominant electrical loss in any DC motor system. These losses are proportional to the square of armature current and are expressed as Ia²Ra...
Variable frequency drives and programmable controllers have evolved from loosely connected hardware communicating via hardwired I/O to tightly integrated systems that share tag-based data, diagnostic information, and motion commands over a single industrial Ethernet network. The main point of this architecture in Rockwell Automation environments is the ControlLogix platform, and its integration with the PowerFlex drive family defines how modern Allen-Bradley-based control systems handle motor control from simple pump speed regulation to coordinated multi-axis positioning. This article covers the full integration architecture across hardware, communication protocols, Auto-Device Replacement, CIP Motion, and diagnostic practices. Order PowerFlex 755 Drives Here The PowerFlex drive portfolio spans several product lines, each with distinct integration characteristics when paired with ControlLogix. The PowerFlex 525 (catalog 25B series) is a compact drive rated from 0.5 to 30 HP and...
After 35 years of service in industrial automation, Rockwell Automation has officially discontinued the SLC 500 platform . For facilities still running SLC 500 hardware, the question is no longer whether to migrate but how to execute the transition without disrupting production. The recommended migration path leads to the CompactLogix 5380 control system, and understanding both the available tools and the process’s technical realities is essential before any project begins. Here, we will discuss migrating SLC 500 Systems to the CompactLogix 5380 as the latest upgrade. Rockwell’s designation of the CompactLogix 5380 as the SLC 500 successor is grounded in architectural advancements in performance, security, and networking capabilities. The platform is equipped with dual Gigabit Ethernet ports that support fast, reliable I/O and motion control over EtherNet/IP, with motion capability up to 32 axes. Optimized firmware ensures maximum efficiency under demanding industrial conditions...
If you have spent any time reading about automation equipment and how they work, you would come across phrases such as: “Real-time control”, “real-time monitoring”, “operates in real-time”, or “real-time deterministic behavior”. It becomes one of those things that you might be afraid to ask about because it’s thrown around so much that it seems like it’s common knowledge. Alas, we at DO Supply don’t judge and encourage learning opportunities, so let’s get you up to speed on what ‘real-time’ actually means. In the world of industrial control, “real-time” is a more precise engineering term. It means predictable, rather than “fast”. A real-time system isn’t defined by how quickly it responds, but by whether it responds within a guaranteed, bounded window of time, every single time. That guarantee is what engineers call determinism, and it’s the whole reason the phrase gets used so often around PLCs, drives, and industrial networks. To put it in perspective, say a video game you’re...
It is no secret that downtime can be the single leading cause of revenue loss for any factory. In fact, a recent global report from ABB in conjunction with Sapio Research suggests that 44% of industrial leaders report production interruptions by their equipment monthly, 14% of those report stoppages weekly. Every hour that a factory is down, it could be losing anywhere from tens to hundreds of thousands of dollars per hour, depending on SKU value and output expectations. This raises the question of how downtime could become this expensive, what the biggest contributing factors are, and how automation is designed to prevent interruptions. Downtime, often carrying a negative connotation, is when a factory or process halts or significantly reduces operations due to planned maintenance, repairs, or stoppages. Usually, this stems from operator stops, which happen when the operator sees an anomaly and presses that big red STOP button. Other times, the system itself could sense that...
Industrial automation has historically depended on hardwired communication infrastructure. Field devices, controllers, drives, and supervisory systems have been interconnected using copper cables, fiber-optic cables, and structured wiring systems, which require significant installation labor, conduit routing, and ongoing maintenance. While wired communication remains the dominant architecture in most facilities, wireless communication technologies have matured to a point where they are now viable, and in many cases preferred, for specific automation applications. This article examines the wireless communication technologies applicable to industrial automation, the protocols and standards governing their operation, the engineering challenges associated with deployment, and the application domains where wireless communication delivers measurable advantages over traditional cabling infrastructure. The shift toward wireless communication in industrial settings is not driven solely by...
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:...
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...
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...
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...
In industrial automation, few changes have been as apparent or as influential as the evolution of operator interfaces. What started as basic, rugged keypads mounted on control cabinets has grown into robust, networked solutions with dynamic touchscreen Human‑Machine Interfaces (HMIs). These interfaces, including well‑known platforms such as HMIs and PanelViews, have not only altered how operators interact with machines but also reshaped plant‑floor efficiency, safety, and the overall approach to process control. The move from physical buttons to user‑friendly digital interfaces reflects broader tech trends. Nevertheless, industrial settings impose distinct limitations, severe conditions, safety mandates, a demand for uninterrupted operation, and a reluctance to modify mission‑critical systems. Consequently, HMIs and PanelViews have developed slowly but with a highly strategic approach. Now, the progression from keypads to touchscreens illustrates a broader narrative of digital...
