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This K-System series intrinsic safety barrier provides galvanic isolation and signal conditioning for frequency inputs originating from hazardous areas. It converts signals from NAMUR sensors or dry contacts into isolated analog current and relay outputs for safe area control systems. Engineered for robust performance in process automation and safety instrumented systems, it ensures reliable data transmission while maintaining explosion protection.
Technical Specifications:
SERIES/FAMILY: K-System (KFD2)
COMPONENT TYPE: Intrinsic Safety Barrier, Frequency Converter, Signal Conditioner
ELECTRICAL SPECS:
SUPPLY VOLTAGE: 20-35VDC
INPUT: NAMUR sensor (EN 60947-5-6) or dry contact from hazardous area
OUTPUT 1: 0/4-20mA analog current (isolated)
OUTPUT 2 & 3: Two relay outputs (isolated)
POWER CONSUMPTION: Approximately 1.5W
INTERFACE/CONTROL:
INPUT SIGNAL TYPE: Frequency (from NAMUR or dry contact)
OUTPUT SIGNAL TYPE: Analog current and discrete relay
CONFIGURATION: DIP switch selectable parameters for range and function
ENVIRONMENTAL/MOUNTING:
IP RATING: IP20
MOUNTING: 35mm DIN rail
OPERATING TEMPERATURE: -20°C to +60°C
HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, cULus, FM approved for Zone 0, 1, 2 / Division 1, 2 applications
COMPATIBILITY/APPLICATION:
TARGET SYSTEMS: Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), Safety Instrumented Systems (SIS)
FUNCTION: Conversion of frequency signals from sensors in hazardous areas to safe area analog and relay outputs for process control and monitoring
SAFETY INTEGRITY LEVEL: Up to SIL 2 according to IEC 61508
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