ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 217256 - K-System Intrinsic Safety Barrier - Switch Amplifier
The PEPPERL & FUCHS 217256 is a K-System intrinsic safety barrier, specifically a single-channel switch amplifier designed for reliable signal transmission from hazardous areas to safe areas. It provides galvanic isolation and limits energy to ensure safe operation of discrete sensors, such as NAMUR proximity switches or mechanical contacts, within classified hazardous environments. This module is critical for process automation applications requiring compliance with intrinsic safety standards.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2-SR2-EX1.W.SM)
- COMPONENT TYPE: Intrinsic Safety Barrier - Switch Amplifier
- ELECTRICAL SPECS: 20-35VDC Supply Voltage, <1.5W Power Consumption, 1-Channel Input, 2-Channel Relay Output (2x SPDT, 250VAC/2A or 30VDC/2A Switching Capacity)
- INTERFACE/CONTROL: Input for NAMUR proximity sensors (EN 60947-5-6) or dry contacts, Two potential-free relay outputs, Line fault detection (LFD)
- ENVIRONMENTAL/MOUNTING: DIN Rail Mountable, IP20 Protection, -20°C to +60°C Operating Temperature, Certified for ATEX, IECEx, UL, FM hazardous area applications
- COMPATIBILITY/APPLICATION: Integration with PLC/DCS systems for monitoring discrete signals from Zone 0, 1, 2 (Gas) or Zone 20, 21, 22 (Dust) hazardous areas