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Pepperl+Fuchs Blog

Circuit Fault Detection without Additional Wiring

Posted by Pepperl+Fuchs on Mon, Jul 19, 2021

From the recording of the process variable to the evaluation in the control system, many errors can occur that can lead to unwanted process states. These can result in plant shutdowns or quality problems, and even pose hazards to people and the environment. In addition to faults in the device itself, isolators also monitor the connecting lines between the isolator, the field device and the control system for lead breakage or lead short circuits, depending on the device variant. In this blog post you can find out how isolated barriers from Pepperl+Fuchs detect line faults in the signal circuit without additional wiring.

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Topics: Signal Conditioners, k-system, isolated barriers, line fault detection, power rail, isolator modules

5 Ways to Use K-System Interface Technology in Wastewater Treatment Plants

Posted by Brian Alvarado on Thu, Jul 11, 2019

Large-scale industries like manufacturing and mining produce millions of gallons of wastewater every day. This wastewater can be reused or returned to the environment after going through a wastewater treatment plant. The average time it takes to successfully treat water once it enters the plant is heavily influenced by the technology available. While treatment can take less than a day in some plants, it can take up to 36 hours in others. But if a plant is equipped with the latest process automation technology, wastewater treatment takes less time.

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Topics: Intrinsic Safety Barriers, Signal Conditioners, safety relay, k-system

Can I Use an Intrinsic Safety Barrier As a Signal Conditioner in a Non-IS Application?

Posted by Aaron Severa on Thu, Feb 13, 2014

The answer is most certainly, “Yes!” But there are a few conditions that go along with using an IS barrier as a signal conditioner in a non-IS application.

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Topics: Ask an Expert, Intrinsic Safety Barriers, Signal Conditioners

6 Signal Conditioners You Should Know About

Posted by Barbara Vazquez-Isla on Thu, Dec 12, 2013

A signal conditioner is a device that changes or boosts the signal between the controller and the field device to make sure the communication works properly. A common application for signal conditioners is when you have a mV input from a thermocouple going into a
4 mA … 20 mA input card. A signal conditioner converts the mV signal into a 4 mA … 20 mA signal. In this blog, we will discuss 6 signal conditioners that all engineers should be aware of.

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Topics: Intrinsic Safety Barriers, Signal Conditioners

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