PRODUCT DESCRIPTION
PEPPERL & FUCHS 101913 - K-System 2-Channel Isolated Barrier with Safety Relay Output
The KFD2-SR2-EX1.W.SM is a 2-channel isolated barrier from the K-System series, engineered for intrinsic safety applications in hazardous areas. It provides galvanic isolation and signal conditioning for NAMUR sensors or mechanical contacts, converting their status into two independent safety relay outputs for control system integration. This module is suitable for safety instrumented systems requiring high integrity.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Isolated Barrier, 2-Channel Switch Amplifier with Safety Relay Output
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC
- POWER CONSUMPTION: Approximately 1.5W
- INPUT: 2 channels for NAMUR sensors or mechanical contacts from hazardous area
- OUTPUT: 2 normally open (NO) relay contacts, rated for 250VAC/2A or 30VDC/2A
- INTERFACE/CONTROL:
- FUNCTION: Signal conditioning and galvanic isolation for intrinsically safe circuits
- SAFETY INTEGRITY: Up to SIL 2 (IEC 61508/IEC 61511) for single channel, SIL 3 for redundant architectures
- PERFORMANCE LEVEL: Up to PL d (ISO 13849)
- DIAGNOSTICS: Line fault detection (open/short circuit)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35mm DIN rail
- OPERATING TEMPERATURE: -20 to +60 °C
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, UL, FM (for intrinsic safety applications in Zone 0, 1, 2)
- COMPATIBILITY/APPLICATION:
- FIELD DEVICES: NAMUR proximity sensors, mechanical switches, potential-free contacts
- CONTROL SYSTEMS: PLCs, DCS, safety PLCs
- APPLICATIONS: Emergency shutdown systems, fire and gas systems, process control in hazardous environments