Pepperl+Fuchs (P+F) safety barrier KFD2-UFC-EX1.D in stock
$414.57
Pepperl+Fuchs (P+F) safety barriers, also known as safety retainers, are safety interfaces for intrinsically safe circuits. They enable bidirectional electrical signal transmission between safe (intrinsically safe) and hazardous (non-intrinsically safe) areas and limit energy transfer from the hazardous area to the safe area due to a fault. Common safety barriers include Zener and isolation types.
Brand
P+F/Pepperl+Fuchs (Germany)
Application Areas
Environmental Protection, Biotechnology, Energy, Electrical, General
Pepperl+Fuchs P+F Sensor KFD2-UFC-EX1.D in Stock
Pepperl+Fuchs P+F Sensor Car Mixer KFD2-UFC-ex1.d
Pepperl+Fuchs P+F Safety Barrier Structure:
Zener-type Safety Barrier
The circuit uses fast-acting fuses, current-limiting resistors, or voltage-limiting diodes to limit the input electrical energy, thereby ensuring the energy output to the hazardous area is protected.
1. The installation location must have a very reliable grounding system, which is obviously very demanding and difficult to guarantee in practical engineering applications.
3. Zener-type safety barriers are significantly affected by the power supply and are easily damaged by power fluctuations.
4. Because the circuit principle of the Zener-type safety barrier requires absorbing energy from the input circuit, it is prone to output instability.
Advantages of Pepperl+Fuchs (P+F) safety barriers:
① Although isolated safety barriers are more expensive than Zener barriers, their numerous advantages and features offer significant convenience to users, leading to a growing preference for them.
② Isolated safety barriers effectively isolate field circuit signals from safe circuit signals. This eliminates the need for intrinsically safe grounding systems in intrinsically safe control systems, simplifying construction.
③ Isolated safety barriers significantly enhance the anti-interference capabilities of detection and control circuits, improving system reliability.
④ Isolated safety barriers allow for grounding of field instruments, permitting non-isolated field instruments.
⑤ Isolated safety barriers have numerous protective circuits, reducing the likelihood of accidental damage and allowing for live maintenance of field instruments, thus shortening start-up preparation time and minimizing downtime.
⑥ Isolated safety barriers possess strong signal processing capabilities, such as converting switch input status control, mV, and Pt100 to 4~20mA, etc. This provides greater convenience, rationality, and effectiveness for the application of field instruments and control systems.
⑦ When users simultaneously apply DCS and ESD, selecting a one-input, two-output safety barrier can effectively isolate the two systems, preventing mutual interference.
⑧ Loop-powered isolation safety barriers retain the advantages of active isolation safety barriers and offer the same wiring convenience as Zener barriers. They do not require a separate 24V power supply, making them particularly suitable for DCS systems directly powered by I/O cards.
Pepperl+Fuchs (P+F) safety barriers are connected between intrinsically safe and non-intrinsically safe circuits. They limit the voltage and current supplied to intrinsically safe circuits within a safe range.
Features
》Channel isolation barrier
》24V DC power supply (electric railway)
》2-wire SMART transmitter and current source input signals
》Distributor (1 input and 2 outputs)
》Dual output 0/4 mA... 20 mA or 0/1 V... 5 V
》Terminal module with test socket
》SIL 2 (SC 3) acc. 61508
Pepperl+Fuchs (P+F) Safety Barrier Introduction:
Pepperl+Fuchs (P+F) safety barriers, also known as safety limiters, are an important component of intrinsically safe systems.
Pepperl+Fuchs (P+F) safety barriers are mainly divided into two categories: Zener barrier type and isolation barrier type.
The core components of a Zener barrier are a Zener diode, a current-limiting resistor, and a fast-blow fuse.
Isolation barriers not only limit energy but also provide isolation. They mainly consist of a loop limiting unit, a signal and power isolation unit, and a signal processing unit.
The primary function of a safety barrier is to limit current and voltage, ensuring that the energy available to field instruments remains within safe limits.
The following are Pepperl+Fuchs (P+F) safety barriers in stock:
KCD2-STC-Ex1
KCD2-SCD-EX1
KCD2-STC-1
KCD2-SCD-1
KFD2-STC5-EX1
KFD2-STC5-EX1.2O
KCD2-STC-EX1.20
KCD2-STC-1.2O
KFD2-STC5-1.2O
KCD2-UT2-EX1
KFD2-UT2-EX2
KFD2-UT2-EX1
KFD2-STC5-EX2
KFD2-CD-EX1.32
KFD2-EB2.R4A.B
KFD0-SD2-EX1.1045
KCD0-SD-EX1.1245
KFD2-VR4-EX1.26
KCD2-RR-EX1 KFD2-SCD-EX1.LK
KFD2-SCD2-Ex2.LK
KFD2-SCD2-EX1.LK
KCD2-SR-EX1.LB
KCD2-SOT-EX1.LB
KFD2-SR2-EX1.W
KFD2-SR2-EX2.W
KFD2-SR2-EX1.W.LB
KFA6-SR2-EX1.W
KFD2-STC5-1
KFD2-SOT3-EX2
KCD2-STC-1.20
UPR-03
KFD0-RSH-1
K-ADP-USB
KFD2-UT2-1
KFD2-CRG2-Ex1.D
KFD2-UFC-EX1.D
KCD2-SR-EX2
KCD2-UT2-1
KCD2-SOT-EX2
FS-LB-I KFA6-SR2-EX2.W
KFD2-DWB-EX1.D
KFD2-SL2-EX2.B
KFD2-UT2-EX2-1
KCD2-STC-EX1.ES
KFD0-RSH-1.4S.PS2
KFU8-UFC-1.D
KFD2-STC4-EX1.2O
Our company mainly deals in European and American brands and can purchase brands from any European country. For example, our advantageous German brands include: BURKERT, DEMAG, HAWE, REXROTH, HYDAC, PILZ relays, FESTO, IFM sensors, E+H, HEIDENHAIN, P+F sensors, SICK, TURCK, and HIRSCHMANN industrial switches. German brands: Hengstler, Murr, Schmersal, Samson, EPRO (Emerson's subsidiary), MOOG (USA), ASCO (USA), MAC (USA), NUMATICS (USA), PARKER (USA), VICKERS (USA), ROSS (USA), Norgren (UK), OMAL (Italy), ATOS (Italy), CAMOZZI (Italy), UNIVER (Italy), and Camozzi (Italy).


