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DO Supply is a global automation parts reseller focused on hard-to-find and obsolete industrial automation products. Based out of Raleigh, NC, we service customers worldwide, providing excellent customer and sales support, as well as offering our top-of-the-line warranty on all parts sold.

Integrating, Installing, and Maintaining Your New PowerFlex 753 Drive: A Comprehensive Guide

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June 23, 2025

Getting Started with the Allen-Bradley SMC-2: Your Step-by-Step Guide

The Smart Motor Controller SMC-2 from Allen-Bradley is designed to control and protect motors, making it applicable in various industrial applications. Essentially, the device allows one to operate motors rated at 24A, 35A, 54A, 68A, or 97A by facilitating soft start, current limit, or full voltage start. Here are the essential installation and configuration steps to get you started with the device and ensure it fully meets your operational needs. Understanding the installation and setup is incomplete without knowing the key features and specifications of the SMC-2. The controller is designed for different motor HP and kW ratings based on the current rating. For example, a 24A controller can handle a motor load of 460V up to 15 HP, while a 97A controller can support loads of up to 75 HP at the same voltage. This drive can be ordered with an open chassis, in a NEMA Type 4 (IP65) enclosure, or a NEMA Type 12 (IP64) enclosure, depending on the specific environmental conditions. It is...

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Integrating, Installing, and Maintaining Your New PowerFlex 753 Drive: A Comprehensive Guide
Drives & Motors
June 20, 2025

Kinetix 3 vs. Kinetix 5300: Which Servo Drive is Right for You?

When selecting a servo drive for your application, it’s crucial to consider factors such as power range, integration capabilities, and flexibility. Allen-Bradley offers a variety of servo drives, with the Kinetix 3 and Kinetix 5300 standing out as two key options. While both are designed to deliver precision and efficiency, they cater to different needs. Below is a detailed comparison to help you determine the right choice for your application. The power range of a servo drive determines its suitability for different applications. The Kinetix 3 operates within a power range of 50 to 1500W, making it ideal for small-scale automation tasks. On the other hand, the Kinetix 5300 offers a much broader power range, spanning from 0.05 to 7.5 kW, making it capable of handling both small and large automation applications. If your project requires higher power and scalability, the Kinetix 5300 is the better option, whereas the Kinetix 3 is a cost-effective choice for low-power applications...

Integrating, Installing, and Maintaining Your New PowerFlex 753 Drive: A Comprehensive Guide
Drives & Motors
June 18, 2025

The PowerFlex Family: A Comprehensive Overview of Allen-Bradley VFDs

As a leader in industrial automation, Rockwell Automation, under the Allen-Bradley brand, is one of the most recognized names in the field, offering a full line of industrial automation solutions and Variable Frequency Drives (VFDs) suited for various industrial applications. The Rockwell Automation PowerFlex family of VFDs showcases innovative, flexible, and high-performing products. As such, this article will cover the PowerFlex VFDs, which come in three main product categories: Low Voltage VFDs, Medium Voltage VFDs, and DC Drives. The PowerFlex family of Low Voltage VFDs is designed with flexibility in mind to provide a wide variety of control modes, features, options, packaging, global voltages, and power ranges. This agile portfolio is designed to ensure that operations stay connected while enhancing productivity. The Low Voltage VFDs are divided into three sub-categories: Standard VFDs, Compact VFDs, and On-Machine Drives. Shop for PowerFlex 753 Drives Here The PowerFlex 755TS...

Integrating, Installing, and Maintaining Your New PowerFlex 753 Drive: A Comprehensive Guide
Drives & Motors
June 16, 2025

Beyond Speed Control: Interesting Ways AC Drives are Used in Industry

AC Drives are everywhere you look, from HVAC units to the cranes repairing your local highway. There are thousands of different AC drives powering numerous different control systems, though instead of talking about the usual use cases for these pieces of tech, lets take a step back and go through some uncommon and interesting ways AC drives are implemented through out the industry. Picture a ski lift hauling up a group of eager snow boarders to the top of a mountain. Those motors pulling them up along the track are burning quite a bit of energy to do so. Yet when the load is off, gravity will pull those chairs back down, similar to a crane lowering a load. When using a drive that has regenerative features, such as the Allen-Bradley PowerFlex 755T, that downward work performed by gravity will turn the motor into a generator to recapture that energy and either feed it back into the facilities power system or shares it across a common DC bus to power other equipment that’s accelerating...

Integrating, Installing, and Maintaining Your New PowerFlex 753 Drive: A Comprehensive Guide
Drives & Motors
June 13, 2025

Powering Complex Systems: Multi-Axis Control with the Kinetix 7000

In today’s fast-paced industrial landscape, precision, efficiency, and scalability are essential for complex automation systems. The Kinetix 7000 servo drive series is designed to meet these demands, offering high-performance multi-axis motion control for a wide range of applications. With flexible voltage and power ratings, advanced synchronization features, and seamless motor compatibility, the Kinetix 7000 delivers exceptional control and efficiency. From high-speed packaging lines to heavy-duty industrial automation, it ensures smooth operation, energy efficiency, and reduced system costs. In this article, we will discuss some features that will tell us how Kinetix 7000 powers complex systems with its multi-axis controls. Shop for Your New Kinetix 7000 Here In order to satisfy the requirements of complex systems, the Kinetix 7000 offers remarkable power flexibility by supporting a broad range of voltage and power ratings. This system is capable of handling a wide range of...

Integrating, Installing, and Maintaining Your New PowerFlex 753 Drive: A Comprehensive Guide
Drives & Motors
June 11, 2025

PowerFlex 700H vs PowerFlex 700S: Which Drive Fits Your Applications

With most of the present-day industries adopting advanced industrial automation technologies, selecting the right Variable Frequency Drive (VFD) or AC drive for a given application is critical. A well-matched AC drive helps improve system performance, reduce power consumption, minimize unplanned downtime, and extend the service life of the equipment. The Rockwell Automation PowerFlex Series offers a wide variety of flexible, reliable, and user-friendly AC drives designed to control AC motors in a range of industrial automation applications. In this article, we’ll compare the PowerFlex 700H vs PowerFlex 700S AC drives, focusing on their key features, motor control capabilities, application suitability, power ratings, communication options, and safety features. Understanding these aspects will help you determine which of the two PowerFlex AC drive series is ideal for your specific motor control needs. The Allen-Bradley PowerFlex 700H AC drives are designed for automation applications...

Integrating, Installing, and Maintaining Your New PowerFlex 753 Drive: A Comprehensive Guide
Communication & Networking
June 9, 2025

Securing Automation Networks: Why the Stratix 5900 is More Than Just a Router

When running any operation, whether it’s a small business or a large automation company with many satellite sites, cybersecurity is a gear in the main machine that isn’t to be left out. Network security comes in all forms, such as VPNs, firewalls, and even your local IT personnel telling you to stop clicking on those phishing emails. However, that is mainly due to the dangers an unsecured network can impose. This is where the Stratix 5900 comes in, a device that does a lot more than route packets from point A to point B. The main idea for the Stratix 5900 is to build an industrial VPN router that is meant to withstand the harsh environments that factories will inevitably subject them to with speed and connectivity. Speed and connectivity are also top priorities to ensure as little downtime as possible and proper integration with industrial control systems. A conventional office-grade router might bring high speeds, but it’s like comparing a single-blade pocketknife to a Swiss Army...

More on Programmable Logic Controllers PLCs

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Integrating, Installing, and Maintaining Your New PowerFlex 753 Drive: A Comprehensive Guide
September 9, 2024

Breaking Down Bits, Bytes, Binary, and Baud Rates

Have you ever paused to think about how all the fancy gadgets around us function at their core? It all starts with the humble bit, the smallest unit of data in computing. A bit is like an on-off switch; it can be either a 0 or a 1. These tiny bits are the backbone of every digital communication, from your smartphone’s texts to a car’s sophisticated onboard system. Now, let’s scale it up a bit. Eight bits come together to form a byte. If the bits were solo artists, a byte would be their rock band. This ensemble is crucial because, with bytes, we begin to see the formation of something meaningful, such as a single character on your screen or a command to a machine. For instance, the letter ‘A’ in ASCII code is represented by the byte 01000001. Why does this matter in automation? Well, whether programming a PLC (Programmable Logic Controller) to manage a production line or setting up a network of sensors, every instruction sent and received is composed of these bits and bytes...

Integrating, Installing, and Maintaining Your New PowerFlex 753 Drive: A Comprehensive Guide
September 6, 2024

Understanding Safety PLCs: Principles and Applications in Industrial Automation

Safety PLCs are those overachieving, highly dependable systems that ensure your factory doesn’t turn into an accidental pyrotechnics show. Safety PLCs, or Programmable Logic Controllers, play a key role in maintaining this balance by preventing accidents and ensuring safe operation. Unlike regular PLCs that manage routine control tasks, Safety PLCs add a crucial layer of protection. Their significance in industrial settings is immense, as they help avoid incidents that could lead to expensive downtime or hazardous situations—understanding how Safety PLCs work and their applications reveal why they are indispensable in modern industrial automation. Safety PLCs are Programmable Logic Controllers designed specifically to enhance the safety of industrial operations. Unlike standard PLCs, which primarily focus on automating and controlling machinery and processes, Safety PLCs incorporate additional features that ensure the system operates safely under all conditions. These features include...

Integrating, Installing, and Maintaining Your New PowerFlex 753 Drive: A Comprehensive Guide
August 26, 2024

Advanced Motor Control with PowerFlex DC Drives

In today’s industrial landscape, advanced motor control is crucial for improving efficiency, precision, and reliability across various applications. A DC drive is a speed control system for a DC motor that regulates the voltage supplied to the motor and makes sure the motor’s operation remains at the desired speed. This technology is cheaper, more efficient, and reliable. Additional advantages include relatively easier operation and implementation. DC drives are preferred over AC drives for regenerative applications or applications that demand high power output or very fine motor control, such as robotics and transportation. Although VFDs or AC drives are an alternative solution to DC drives, DC drives are still being used extensively in applications such as hoists and cranes, winders, elevators, paper production machines, spindle drives, and crushers. PowerFlex DC drives by Allen-Bradley, part of Rockwell Automation, offer sophisticated digital solutions for precise control and...

More on Human Machine Interfaces HMIs

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Integrating, Installing, and Maintaining Your New PowerFlex 753 Drive: A Comprehensive Guide
September 18, 2024

SMC Dialog Plus: Reliable Motor Control for Diverse Industrial Applications

The SMC Dialog Plus is an Allen-Bradley smart motor controller series that features innovative motor protection configurations, easy programmability, diverse networking capabilities, and the reliability of solid-state electronics. The controllers are designed to operate squirrel-cage three-phase AC induction motors rated 1 to 1000A at 200 to 600V AC or 200 to 480V AC, with 60 or 50 Hertz (Hz) AC input frequency. They are also capable of controlling resistive loads. SMC Dialog Plus controllers are microprocessor-based and can accept 24V DC/AC or 100 to 240V AC (at 50/60 Hz) control power input, depending on the selected Catalog Number. If the selected controller supports the 100 to 200V AC control power input option, its microprocessor will self-adjust to the supplied control voltage. Allen-Bradley SMC Dialog Plus controllers come with the following features as standard: SMC Dialog Plus controllers include a built-in SCANport – a serial interface port that allows connection to a...

Integrating, Installing, and Maintaining Your New PowerFlex 753 Drive: A Comprehensive Guide
September 11, 2024

A Comprehensive Guide to the Allen Bradley PowerFlex 750

The Allen-Bradley PowerFlex750-Series is a comprehensive family of Variable Frequency Drives (VFDs), also known as AC drives, from Rockwell Automation. These drives provide greater application flexibility, high performance, and an exceptional user experience for a wide array of multi-drive or general-purpose motor control applications. They are appropriate for applications that require speed, torque, and/or position control. The PowerFlex 750-Series offers PowerFlex 753 AC drives with power ratings of 0.5 to 400 Hp (0.37 to 250 kW) for general-purpose motor control applications. For advanced motor control applications, the series offers PowerFlex 755 AC drives that include multiple hardware and control options and an extensive power range of 0.37 to 1500 kW ( 0.5 to 2000 Hp). PowerFlex 750-Series AC drives provide a standard set of innovative features and options aimed at assisting users in improving the productivity of their motion control systems and maximizing their investments...

Integrating, Installing, and Maintaining Your New PowerFlex 753 Drive: A Comprehensive Guide
September 2, 2024

A Comprehensive Guide to the Allen Bradley PowerFlex 750

The Allen-Bradley PowerFlex750-Series is a comprehensive family of Variable Frequency Drives (VFDs), also known as AC drives, from Rockwell Automation that provide greater application flexibility, high performance, and an exceptional user experience for a wide array of multi-drive or general-purpose motor control applications. These drives are appropriate for applications that require speed, torque, and/or position control. For general-purpose motor control applications, the PowerFlex 750-Series offers PowerFlex 753 AC drives with power ratings of 0.5 to 400 Hp (0.37 to 250 kW). And for advanced motor control applications, the series offers PowerFlex 755 AC drives that include multiple hardware and control options, and an extensive power range of 0.37 to 1500 kW ( 0.5 to 2000 Hp). PowerFlex 750-Series AC drives provide a standard set of innovative features and options aimed at assisting users in improving the productivity of their motion control systems and maximizing their...

More on Communication & Networking

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Integrating, Installing, and Maintaining Your New PowerFlex 753 Drive: A Comprehensive Guide
May 2, 2025

Stratix 5900: The Security-Focused Managed Switch Your Network Needs

Modern network devices must secure, protect, and ensure operational continuity while simply facilitating the network. Cybersecurity is paramount, even in industrial environments. The Stratix 5900 from Allen-Bradley is one such drive that answers these questions. It is not just another managed switch—it’s a secure and intelligent network device for protecting and optimizing the industrial automation system. This article provides a brief summary of this product’s potential role in industrial networks. The Stratix 5900 is an industrial-grade router for secure and reliable data transmission. The router supports various Ethernet protocols and can bridge or route multiple protocols into local area networks (LANs) and wide area networks (WANs). The device has increased network connectivity with several Fast Ethernet (10/100) and Gigabit Ethernet ports. However, the ultimate selling point of the Stratix 5900 is its emphasis on security. It has integrated VPN (Virtual Private Network) and...

Integrating, Installing, and Maintaining Your New PowerFlex 753 Drive: A Comprehensive Guide
February 21, 2025

Top Features of the Stratix 5900

A factory with perfect efficiency, uptime, and productivity is one bad actor away from utter failure if it never pays any mind to its network security. Many routers are built for office environments, but automation demands more. Harsh conditions, strict security requirements, and seamless integration with industrial control systems make traditional IT equipment and software less effective. That is where the Stratix 5900 comes in. This security appliance is designed specifically for industrial networks, combining firewall protection, secure remote access, and advanced traffic control into a single package. But how does this all lead to safeguarding your factory? Shop for Stratix 5900 Routers Here Firewalls control which traffic is allowed into and out of a network. In industrial settings, this is especially important because unauthorized access can lead to production slowdowns or system failures. The Stratix 5900 firewall is tailored for automation environments, allowing it to filter...

Integrating, Installing, and Maintaining Your New PowerFlex 753 Drive: A Comprehensive Guide
January 10, 2025

How are Wireless Sensor Networks employed in Industrial Automation

Wireless Sensor Networks, or WSNs, are infrastructure-less wireless networks that use thousands of spatially distributed sensors to monitor environmental and physical parameters, like temperature, motion, pressure, etc. Each sensor node collects data and transmits it to a sink node or a central hub using radio frequency. At this main location, it is processed, stored, and analyzed by a computer or a human. These smart sensors are self-configured, meaning that they can automatically supervise processes without any manual intervention. WSNs have several key components: A sensor node comprises of a sensing unit (or a transducer) that measures physical parameters, a micro-controller that processes the data, an ADC, a transceiver for wireless communication, and a power source which is usually a battery. WSNs come in three main structures for radio communication. Radio Telescopes In Star Topology, the sink node can send or receive information from various remote sensors. However...