ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 202189 - K-System Intrinsic Safety Barrier Switch Amplifier
This K-System intrinsic safety barrier, identified as KFD2-SR2-EX1.W, provides galvanic isolation for the operation of NAMUR sensors or mechanical contacts located in hazardous areas. It converts input signals into two independent relay outputs for safe-area control systems. Engineered for process automation, it ensures reliable signal transmission while maintaining intrinsic safety for critical applications in chemical, oil & gas, and pharmaceutical industries.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsic Safety Barrier / Switch Amplifier
- MODEL IDENTIFIER: KFD2-SR2-EX1.W
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35 VDC
- INPUT: 1-channel, intrinsically safe circuit for hazardous area
- OUTPUT: 2-channel relay (changeover contacts), safe area
- SWITCHING FREQUENCY: 0 to 5 kHz
- INTERFACE/CONTROL:
- INPUT SIGNAL TYPE: NAMUR proximity switch (EN 60947-5-6) or potential-free contact
- OUTPUT TYPE: Relay, normally open/normally closed configurable
- FAULT DETECTION: Line fault detection (LFD) for open and short circuit
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35 mm DIN rail
- OPERATING TEMPERATURE: -40 to +70 °C (Wide Temperature Range)
- STORAGE TEMPERATURE: -40 to +85 °C
- COMPATIBILITY/APPLICATION:
- HAZARDOUS AREA CLASSIFICATION: ATEX, IECEx, UL, cUL, FM, EAC, KOSHA, NEPSI, etc. (for Zone 0, 1, 2)
- SAFETY INTEGRITY LEVEL: Up to SIL 2 (IEC 61508)
- TARGET SYSTEMS: PLC, DCS, safety instrumented systems
- FIELD DEVICES: NAMUR sensors, mechanical contacts in hazardous locations
