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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

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

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