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This K-System intrinsic safety barrier provides galvanic isolation and converts frequency signals from NAMUR proximity switches or dry contacts located in hazardous areas into a proportional 0/4-20 mA analog current output for safe area control systems. It is engineered for reliable signal conditioning and protection in process automation applications requiring compliance with intrinsic safety standards.
Technical Specifications:
SERIES/FAMILY: K-System (KFD2-CD-EX1.CN)
COMPONENT TYPE: Intrinsic Safety Barrier, Frequency to Analog Converter
ELECTRICAL SPECS:
INPUT: NAMUR sensor (EN 60947-5-6) or dry contact, hazardous area connection
OUTPUT: 0/4-20 mA analog current, proportional to input frequency
SUPPLY VOLTAGE: 20-35 VDC (nominal 24 VDC)
FREQUENCY RANGE: Up to 10 kHz input frequency
SAFETY PARAMETERS: Uo = 9.6 V, Io = 10 mA, Po = 24 mW (for hazardous area connection)
MECHANICAL/PHYSICAL:
FORM FACTOR: Compact DIN rail mount module
INTERFACE/CONTROL:
INPUT SIGNAL: Frequency from NAMUR sensor or switch
OUTPUT SIGNAL: Standard industrial analog current
CONFIGURATION: Selectable via DIP switches for input type and output range
DIAGNOSTICS: Line fault detection (wire break, short circuit)
ENVIRONMENTAL/MOUNTING:
IP RATING: IP20 (for control cabinet installation)
MOUNTING: 35 mm DIN rail
OPERATING TEMPERATURE: -20 to +60 degrees Celsius
HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, UL (for Zone 2, Zone 1, Zone 0 applications)
COMPATIBILITY/APPLICATION:
TARGET SYSTEMS: Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), SCADA systems
FUNCTION: Provides intrinsic safety and signal conversion for process instrumentation in chemical, oil & gas, pharmaceutical, and other hazardous industrial environments
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