Many VFDs use digital inputs to control operation, rather than PLC-driven network communications. Learn about 2-wire and 3-wire digital input control schemes for…
Many VFDs use digital inputs to control operation, rather than PLC-driven network communications. Learn about 2-wire and 3-wire digital input control schemes for ABB, Omron, Rockwell, and others.
There are many different kinds of electric motors used for industrial power transfer, but there are also hydraulic and…
There are many different kinds of electric motors used for industrial power transfer, but there are also hydraulic and pneumatic motors that can lend advantages in some situations.
Converting thermal energy into electrical signals, temperature sensors such as RTDs and thermocouples are fundamental in…
Converting thermal energy into electrical signals, temperature sensors such as RTDs and thermocouples are fundamental in the maintenance and operation of industrial environments and equipment.
Calibration can be a time-consuming process requiring expensive traceable tools, but high-accuracy signals result in…
Calibration can be a time-consuming process requiring expensive traceable tools, but high-accuracy signals result in higher-quality products, better customer satisfaction, and, ultimately, greater returns.
Analytics from data algorithms can predict machine failures and provide diagnostics—but what should we measure? Then,…
Analytics from data algorithms can predict machine failures and provide diagnostics—but what should we measure? Then, once the information has been collected, what trends might point to problems?
ASCII is a familiar acronym, found in applications like Modbus communications and string data types—but what is it, and…
ASCII is a familiar acronym, found in applications like Modbus communications and string data types—but what is it, and what does ASCII mean for automation engineers?
Cybersecurity is all about processes and people. A lot of threats can be mitigated through technology, but only if people…
Cybersecurity is all about processes and people. A lot of threats can be mitigated through technology, but only if people understand how cybersecurity affects control systems and related technology.
Field-oriented control (FOC), also called vector control, can control 3-phase alternating current motors and brushless DC…
Field-oriented control (FOC), also called vector control, can control 3-phase alternating current motors and brushless DC motors. Read more to learn its advantages, how it works, and its best applications.
Industrial sensors can be found in nearly every modern industrial process, regardless of complexity. Learn the history,…
Industrial sensors can be found in nearly every modern industrial process, regardless of complexity. Learn the history, evolution, and variety of sensors that make manufacturing the modern marvel we see today.
Motors consume the highest current during startup—this is a well-known fact. But logically, the slowest speed should…
Motors consume the highest current during startup—this is a well-known fact. But logically, the slowest speed should relate to the lowest power consumption. Why, then, is inrush current so high for motors?
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…
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.
As data becomes available, maintenance can shift from being done on a rigid schedule to a more cost-effective plan of…
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.
EMC-compliant panels are an excellent first step in reducing electromagnetic interference from industrial control…
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.
Power quality is an increasing concern for manufacturers all over the world as electrical equipment becomes more advanced…
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.
Events that cause alarms are not the most common events in a process system, but they must be handled with proper care,…
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.
Rockwell Automation is known for being one of the most popular PLC brands, supported by many compatible devices. Learn…
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.
Machine safety design can be a daunting task with all the different safety devices on the market today. Choosing the…
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.
Industrial network switches connect automation equipment, controllers, and other such devices. Learn about unmanaged,…
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.
Designing a system with motor motion always includes a consideration of safety. Incorporating safety contactors might be…
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.
Linear and switch-mode power supplies provide direct current to power control components and electrical devices. Learn…
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.