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P+F Pepperl+Fuchs safety barriers generally need to use a two-wire transmission mode distributor for the subsequent secondary meters or other meters in industrial sites. Pepperl+Fuchs isolated and Zener safety barriers mainly play a protective role between intrinsically safe equipment in the control room and dangerous places. Pepperl+fuchs intrinsically safe explosion-proof instrumentation related equipment plays an important role in explosion protection. When the intrinsically safe explosion-proof system fails, the energy entering the dangerous place can be limited to a safe value, thereby Ensure on-site production safety.

Pepperl+Fuchs Safety Barrier

The safety barrier is also called the safety retainer. The safety interface of the intrinsically safe circuit can transmit electrical signals in both directions between the safe zone and the dangerous zone, and can limit the transfer of the safe zone to the dangerous zone and energy caused by faults. Pepperl+Fuchs safety barriers are available in two types: Zener type and isolated type. Flexible use in different industrial control occasions. P+F Pepperl+Fuchs safety barriers are electrically isolated safely. Pepperl+Fuchs isolation barriers are equipped with warning lights or other obvious signs. They are made of metal and must be safely and reliably grounded. The Pepperl+Fuchs safety barrier is used to limit the electrical energy supplied to the field instruments from the control room to the point that it can neither produce sparks sufficient to detonate dangerous gases, nor can it produce sufficient instrument surface temperature to detonate dangerous gases, thereby eliminating the source of detonation. When selecting a safety barrier, it must be considered that its model is compatible with the type of field instrument, and the compatibility of the safety barrier with the requirements of intrinsic safety instruments and the impedance matching in the intrinsically safe system formed must also be considered. In practice, this method has many restrictions on the selection of safety barriers and field equipment. The isolation barrier is the best explosion-proof product that is most suitable for installation on operating equipment, relays and other equipment.