PRODUCT DESCRIPTION
PEPPERL & FUCHS 231224 - K-System Isolated Barrier, Single-Channel Switch Amplifier
This intrinsically safe isolated barrier from the K-System KFD2 series functions as a single-channel switch amplifier, designed for reliable signal conditioning and galvanic isolation. It facilitates the interface of conventional switches and NAMUR proximity sensors located in hazardous areas with safe area control systems, ensuring compliance with intrinsic safety standards and robust process control.
Technical Specifications:
- SERIES/FAMILY: K-System, KFD2 Series (KFD2-SR2-EX1.W)
- COMPONENT TYPE: Isolated Barrier, Single-Channel Switch Amplifier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC
- INPUT: NAMUR proximity sensor (EN 60947-5-6) or dry contact from hazardous area
- OUTPUT: 1 x Potential-free changeover contact (SPDT)
- OUTPUT RATING: 250VAC / 2A or 30VDC / 2A (resistive load)
- INTERFACE/CONTROL:
- CONFIGURATION: DIP switches for operating mode (NO/NC), line fault detection enable/disable
- INDICATORS: LEDs for operation, switching status, and line fault
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35mm DIN rail
- OPERATING TEMPERATURE: -20 °C to +60 °C
- SAFETY CERTIFICATION: ATEX, IECEx, UL, cULus (Intrinsic Safety)
- COMPATIBILITY/APPLICATION:
- FUNCTION: Interfaces conventional switches and NAMUR sensors in hazardous areas (Zone 0, 1, 2) with safe area control systems (PLC, DCS)
- FEATURES: Configurable line fault detection, galvanic isolation between input, output, and power supply
- SAFETY INTEGRITY LEVEL: Up to SIL 2 (IEC 61508)