ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 191244 - KFD2-SR2-EX1.W Intrinsic Safety Barrier Switch Amplifier
This K-System intrinsic safety barrier, model KFD2-SR2-EX1.W, provides galvanic isolation and signal conditioning for operating intrinsically safe field devices in hazardous areas. It functions as a two-channel switch amplifier, enabling the safe interface between conventional control systems and NAMUR proximity sensors or mechanical contacts located in Zone 0, 1, or 2.
Technical Specifications:
- SERIES/FAMILY: K-System, KFD2 Series
- COMPONENT TYPE: Intrinsic Safety Barrier, Switch Amplifier, Repeater Power Supply
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC (Wide Range)
- INPUT CHANNELS: 2 (for NAMUR sensors or potential-free contacts)
- OUTPUT CHANNELS: 2 (Relay outputs)
- SWITCHING FREQUENCY: Up to 5 kHz (for NAMUR inputs)
- POWER CONSUMPTION: Approximately 1.5W per channel
- INTERFACE/CONTROL:
- INPUT TYPE: NAMUR proximity sensors (EN 60947-5-6) or potential-free contacts
- OUTPUT TYPE: Electromechanical relay, SPDT (Single Pole Double Throw) changeover contact
- DIAGNOSTICS: Line fault detection (wire break, short circuit)
- INDICATORS: LEDs for operating state, switching status, and fault conditions
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35 mm DIN rail
- OPERATING TEMPERATURE: -20 °C to +60 °C
- COMPATIBILITY/APPLICATION:
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, UL, cUL (for Zone 0, 1, 2 Class I, Div 1, 2)
- FIELD DEVICE COMPATIBILITY: NAMUR sensors, mechanical switches, pushbuttons
- CONTROL SYSTEM INTEGRATION: PLCs, DCS, safety instrumented systems (SIS)
- TYPICAL APPLICATIONS: Process automation in chemical, petrochemical, pharmaceutical, and oil & gas industries
