ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 240784100018 - K-System 2-Channel Intrinsic Safety Barrier Switch Amplifier
This K-System intrinsic safety barrier is a 2-channel switch amplifier designed for reliable signal transmission from hazardous areas to safe area control systems. It provides galvanic isolation and conditions discrete signals from NAMUR sensors or mechanical contacts, ensuring compliance with intrinsic safety standards for process automation applications.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsic Safety Barrier, 2-Channel Switch Amplifier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35VDC (via power rail or terminals)
- POWER CONSUMPTION: 1.5W per channel (typical)
- INPUT: 2x NAMUR sensor or dry contact from hazardous area
- OUTPUT: 2x SPDT (Single Pole Double Throw) relay outputs for safe area
- SWITCHING CAPACITY: 250VAC/2A or 30VDC/2A (resistive load)
- INTERFACE/CONTROL:
- INPUT SIGNAL: NAMUR (EN 60947-5-6) or dry contact
- OUTPUT SIGNAL: Potential-free relay contacts
- FAULT DETECTION: Line fault detection (LFD) for open/short circuit in field wiring, configurable
- CONFIGURATION: DIP switches for operating mode (NO/NC, LFD enable/disable)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35mm DIN rail mount
- OPERATING TEMPERATURE: -20°C to +60°C
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, UL, FM (Ex ia IIC, Ex ia IIB, Ex nA IIC T4 Gc)
- COMPATIBILITY/APPLICATION:
- FIELD DEVICES: NAMUR proximity sensors, mechanical switches, pushbuttons in Zone 0, 1, 2, 20, 21, 22 hazardous areas
- CONTROL SYSTEMS: PLCs, DCS, safety instrumented systems (SIS) in safe areas
- FUNCTION: Galvanic isolation and signal conditioning for discrete signals from hazardous to safe areas
