ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 240788100007 - K-System Intrinsic Safety Barrier, Switch Repeater
This K-System intrinsic safety barrier provides galvanic isolation and signal conditioning for two-channel hazardous area applications. It is engineered to interface NAMUR proximity sensors or mechanical contacts located in hazardous areas with safe area control systems, ensuring compliance with intrinsic safety standards. The module features integrated line fault detection and potential-free relay outputs for robust process control and safety instrumented functions.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsic Safety Barrier, Switch Repeater
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35 VDC
- INPUT CHANNELS: 2 (for NAMUR sensors or mechanical contacts)
- OUTPUT CHANNELS: 2 (relay, changeover contact)
- ISOLATION: Galvanic isolation between input, output, and power supply
- INTERFACE/CONTROL:
- INPUT SIGNAL: NAMUR proximity switch (EN 60947-5-6) or dry contact
- OUTPUT SIGNAL: Potential-free relay contact
- FAULT DETECTION: Line fault detection (LFD) for open and short circuits in field wiring
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35 mm DIN rail mount
- OPERATING TEMPERATURE: -20 to +60 °C (-4 to +140 °F)
- COMPATIBILITY/APPLICATION:
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, UL, cUL for Zone 0, 1, 2 (Gas) and Zone 20, 21, 22 (Dust)
- SAFETY INTEGRITY LEVEL: Up to SIL2 (IEC 61508)
- TARGET SYSTEMS: Process control systems (DCS, PLC), Emergency Shutdown (ESD) systems, Fire & Gas systems