Latest EMI / EMC / Filtering Articles

You’ve seen it a thousand times: 24 volts powering a device or representing a trigger signal, but what makes 24 VDC…

You’ve seen it a thousand times: 24 volts powering a device or representing a trigger signal, but what makes 24 VDC such a versatile voltage, and what about the other voltages in control cabinets?

Phoenix Contact now offers three new families of EMC filters built for high-interference environments. The new filters…

Phoenix Contact now offers three new families of EMC filters built for high-interference environments. The new filters include models that are compact and models that double as overcurrent protection devices.

What is the purpose of a variable frequency drive? How do they work? And why would we prefer using VFDs over basic motor…

What is the purpose of a variable frequency drive? How do they work? And why would we prefer using VFDs over basic motor starters for heavy loads?

Explore how modular hardware, predictive diagnostics, and fault-isolating technologies are transforming control panels…

Explore how modular hardware, predictive diagnostics, and fault-isolating technologies are transforming control panels into resilient, self-healing systems.

Learn in this detailed analysis about the performance of industrial PLC and a prototyping microcontroller to perform…

Learn in this detailed analysis about the performance of industrial PLC and a prototyping microcontroller to perform stepper motor motion control for an arc welding automation project.

Unexpected, false, and fluctuating PLC input signals can cost many hours of debugging, but luckily, there are some quick,…

Unexpected, false, and fluctuating PLC input signals can cost many hours of debugging, but luckily, there are some quick, simple tricks to try before downtime is wasted.

PULS has unveiled the CP20.248-IOL, a 480 W DIN-rail power supply with an IO-Link interface and integrated display,…

PULS has unveiled the CP20.248-IOL, a 480 W DIN-rail power supply with an IO-Link interface and integrated display, simplifying configuration, monitoring, and remote control for automation.

The new TMF3333 EMI filter series is designed to suppress unwanted noise in high-voltage, high-current three-phase…

The new TMF3333 EMI filter series is designed to suppress unwanted noise in high-voltage, high-current three-phase applications, specifically for motors and power drive systems.

Filters and reactors can protect your electrical devices, but what is the difference between these two kinds of devices,…

Filters and reactors can protect your electrical devices, but what is the difference between these two kinds of devices, and are they supposed to be installed before or after a VFD?

Have you ever disassembled a motor and wondered how it rotates? Throughout this article, we’ll discuss electromagnetic…

Have you ever disassembled a motor and wondered how it rotates? Throughout this article, we’ll discuss electromagnetic induction and how magnetic fields can be utilized to generate motion.

The choice to ground or float a power supply is not always clear in the NEC. This article explains floating or fixing a…

The choice to ground or float a power supply is not always clear in the NEC. This article explains floating or fixing a DC supply with respect to ground and how circuits can be functionally constructed both ways.

Since their creation, DC motors have become a part of our everyday lives. In this article, we’ll examine the…

Since their creation, DC motors have become a part of our everyday lives. In this article, we’ll examine the differences between various types of field-wound and permanent magnet DC motors.

Electromagnetic devices like motors and transformers rely on electric currents that drive magnetic fields which, in turn,…

Electromagnetic devices like motors and transformers rely on electric currents that drive magnetic fields which, in turn, can drive current on their own. That’s not always a good thing.

wenglor has added time-of-flight (ToF) sensors and fiber optic amplifiers to its product offerings. The newest additions…

wenglor has added time-of-flight (ToF) sensors and fiber optic amplifiers to its product offerings. The newest additions are designed to tackle sensing challenges across applications.

Renesas has developed two new semiconductor solutions for the growing IO-Link market. The new IO-Link solutions include a…

Renesas has developed two new semiconductor solutions for the growing IO-Link market. The new IO-Link solutions include a four-channel master IC and a dual-channel sensor signal conditioner IC.

The simple tasks can lead to the most failures. Basic practices in the wiring assembly stages of a project can lead to…

The simple tasks can lead to the most failures. Basic practices in the wiring assembly stages of a project can lead to long-term success or haunting tales of intermittent yet persistent failures.

Electrical grounding is used to accomplish several different tasks, but none more important than for the safety of users…

Electrical grounding is used to accomplish several different tasks, but none more important than for the safety of users and equipment while maintaining strict adherence to regulations.

In any process industry, transducers are the basic instrumentation unit for continuous monitoring of system variables…

In any process industry, transducers are the basic instrumentation unit for continuous monitoring of system variables that provide inputs for control system algorithms and outputs.

EMIS, a global supplier of electrical filters, has released a line of high-attenuation filters for the industrial…

EMIS, a global supplier of electrical filters, has released a line of high-attenuation filters for the industrial automation motion control industry offering both standard voltage and high voltage models.