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Introduction to Basic Three-Phase Motor Control Circuits

Introduction to Basic Three-Phase Motor Control Circuits

Large motors require a circuit to turn on and off. This may be as simple as a single on/off drum-type switch or as elaborate as a VFD unit. Learn about some common control circuit designs for typical three-phase motor requirements.


Turbine Maintenance: Understanding Ratcheting and Turning Gears

Turbine Maintenance: Understanding Ratcheting and Turning Gears

Turbine ratcheting helps prevent damage by regulating a turbine's uniform warm-up and cool-down. In this article, we will discuss the principles and challenges behind this process.


How IIoT can Benefit Maintenance Practices and Increase Overall Equipment Effectiveness

How IIoT can Benefit Maintenance Practices and Increase Overall Equipment Effectiveness

As data becomes available, maintenance can shift from being done on a rigid schedule to a more cost-effective plan of fixing as required, even turning attention to the root cause of maintenance woes.


Combatting the Effects of EMI with EMC Design Principles for Electrical Panels

Combatting the Effects of EMI with EMC Design Principles for Electrical Panels

EMC-compliant panels are an excellent first step in reducing electromagnetic interference from industrial control systems. Learn about some features of electromagnetic compatibility in panels.


Understanding Power Quality, Monitoring, and Correction  

Understanding Power Quality, Monitoring, and Correction  

Power quality is an increasing concern for manufacturers all over the world as electrical equipment becomes more advanced and therefore sensitive to discrepancies in the supplied power.


Alarm and Event Handling and Processing in Process Control Systems

Alarm and Event Handling and Processing in Process Control Systems

Events that cause alarms are not the most common events in a process system, but they must be handled with proper care, being both resolved and recorded in order to prevent hazards and downtime.


Intro to PLC Programming with Rockwell’s Studio 5000 and CompactLogix

Intro to PLC Programming with Rockwell’s Studio 5000 and CompactLogix

Rockwell Automation is known for being one of the most popular PLC brands, supported by many compatible devices. Learn the basics of getting started with a CompactLogix project in the Studio 5000 environment.


Safety Devices - The When, How, and Why

Safety Devices - The When, How, and Why

Machine safety design can be a daunting task with all the different safety devices on the market today. Choosing the correct device for your design can be made easier by understanding when to use the proper device.


Introduction to Network Switches for Industrial Applications

Introduction to Network Switches for Industrial Applications

Industrial network switches connect automation equipment, controllers, and other such devices. Learn about unmanaged, managed, and PoE enabled switches, as well as the differences between switches, routers, and hubs.


What’s the Difference Between a Safety Contactor and a General Purpose Contactor?

What’s the Difference Between a Safety Contactor and a General Purpose Contactor?

Designing a system with motor motion always includes a consideration of safety. Incorporating safety contactors might be the correct prevention to protect equipment and users but may add additional challenges.


Control System Process Data Archiving: Strategy and Methodology

Control System Process Data Archiving: Strategy and Methodology

Data stored in a historian server is useful for analysis and troubleshooting. Learn about data archiving techniques for control systems, as well as what type of data is stored and the tools to make it happen.


Power Supplies: Understanding the Differences Between Linear and Switching

Power Supplies: Understanding the Differences Between Linear and Switching

Linear and switch-mode power supplies provide direct current to power control components and electrical devices. Learn about the differences between the two power supplies and which one is best for your control system.


Electronic Datasheet (EDS) Files: Why do We Use Them?

Electronic Datasheet (EDS) Files: Why do We Use Them?

Many control product manufacturers offer these downloadable ‘EDS files’ for peripheral equipment, but what exactly is an EDS, and how can they aid in the development of a project?


Teardown: What’s Inside a 3-Phase Induction Motor?

Teardown: What’s Inside a 3-Phase Induction Motor?

Coil, field winding, rotor, stator, eddy current… When it comes to motors, there are numerous terms that describe the theory of operation, but what is inside a 3-phase motor? Take a look, and learn how they work.


PLC Program Commands: Arrays Part 3, Searching and Sorting

PLC Program Commands: Arrays Part 3, Searching and Sorting

Learn how to streamline your ladder logic by searching and sorting arrays with the FSC and SRT instructions in the Rockwell (Allen-Bradley) Studio 5000 programming software.


Network Manager SCADA System in Hydroelectric Power Plants

Network Manager SCADA System in Hydroelectric Power Plants

Network Manager SCADA is a real-time, modular system that is highly scalable and easy to deploy and maintain. The system can grow with future needs and support a virtualized environment to decrease hardware cost.


What You Need to Know: Variable Frequency Drives (VFDs)

What You Need to Know: Variable Frequency Drives (VFDs)

With precise control abilities to manage speed, torque, and direction, variable frequency drives remain one of the most common methods of driving 3-phase industrial motors. Below, we introduce a few leading VFD manufacturers.


PLC Program Commands: Performing Array Functions Part 1

PLC Program Commands: Performing Array Functions Part 1

Arrays can streamline data storage and math operations, but they can be difficult to understand for a beginning programmer. Learn the background of array instructions in the Rockwell Studio 5000 software.


Modern Distributed Control System (DCS) Using the ABB Advant Controller

Modern Distributed Control System (DCS) Using the ABB Advant Controller

Many worldwide plants are still running the old Advant Controller 450 from ABB in their facility, with many plants using the latest System 800xA DCS interfaced with the existing AC450 controller.


Introduction to Servers for Industrial Applications

Introduction to Servers for Industrial Applications

Servers are vital to the flow of information in and around organizations, acting as a hub for information transfer and storage. Learn about the role of servers in industry and the potential challenges that come with maintaining them.