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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

Sinking and Sourcing with Smart Transmitter Power Supply for Analog Input Applications

Posted by Pepperl+Fuchs on Tue, Jan 26, 2021

When selecting an intrinsic safety barrier for an analog input application, one of the biggest issues customers face is differentiating between sinking and sourcing. These terms are used to refer to where the power of the current signal is coming from. Not sure what they mean? Keep reading.

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Topics: Power Supplies, k-system

The Benefits of Modules with Line Fault Transparency

Posted by Andreas Grimsehl on Tue, Nov 26, 2019

Safe Switch-On with Line Fault Transparency

Highly automated systems in sensitive areas of the process industry must ensure that pumps, valves, and active cooling systems are switched on safely at all times. All signal circuits must be monitored for possible line faults on the field side to ensure that all installed safety functions operate correctly if there is a fault. In this blog post, we explain the advantages plant operators have with using line fault transparency (LFT) modules from Pepperl+Fuchs ...

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Topics: Intrinsic Safety, k-system, isolated barriers

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

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