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The principle of P+F safety barrier is simple, the circuit is easy to realize, and it is cost-effective. The P+F Pepperl+Fuchs safety barrier uses fast fuses, current-limiting resistors or voltage-limiting diodes to limit the input electrical energy, so as to ensure the energy output to the hazardous area. Pepperl+Fuchs safety barriers provide intrinsically safe circuits for field instruments, which can achieve the purpose of not generating sparks or temperature rise by limiting the pressure, so as to achieve explosion-proof.

Pepperl+Fuchs Safety Barrier

The P+F Pepperl+Fuchs isolated safety barrier can effectively isolate the field loop signal in the hazardous area from the loop signal in the safe area. In this way, the intrinsically safe automatic control system does not require an intrinsically safe grounding system, which simplifies the construction when the intrinsically safe explosion-proof system is applied. The isolation barrier greatly enhances the anti-interference ability of the detection and control loop, and improves the reliability of the system. Use isolated safety barriers, allow field instruments to be grounded, and allow field instruments to be non-isolated. Pepperl+Fuchs isolated safety barriers have many protection function circuits, which are less likely to be accidentally damaged. On-site instrumentation is allowed to be overhauled with power, which can shorten the preparation time of the project and reduce the parking time. Isolated safety barriers have strong signal processing capabilities. P+F Pepperl+Fuchs safety barriers are mainly used for on-site explosion protection. For example, there are certain risks in industries such as petroleum, chemical and metallurgy. Pepperl+Fuchs safety barriers can be equipped Very good protection for the production site. For example, in the power distribution room of the metallurgical industry, the detection end is powered by the safety barrier of the safety barrier to the on-site transmitter in the dangerous area, and each transmitter is provided with an independent isolated power supply, and the power input and output are isolated from each other.