ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 287035 - KFD2-SR2-EX1.W Intrinsically Safe Switch Amplifier
This K-System series intrinsically safe switch amplifier provides galvanic isolation for signal transmission from hazardous areas to safe areas. It features two independent channels with relay outputs, enabling reliable interface of NAMUR sensors or mechanical contacts in Zone 0, 1, or 2 environments. The module is engineered for integration into safety instrumented systems requiring up to SIL 2 compliance.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsically Safe Switch Amplifier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC (Nominal 24V DC)
- POWER CONSUMPTION: 1.5W (Typical)
- INPUT SIGNAL: NAMUR Proximity Sensor (EN 60947-5-6) or Mechanical Contact
- OUTPUT TYPE: 2 x Relay Output (Changeover Contact)
- OUTPUT SWITCHING CAPACITY: Max. 250V AC/DC, 2A (Resistive Load)
- INTERFACE/CONTROL:
- INPUT CHANNELS: Two independent channels
- FAULT DETECTION: Line fault detection (wire break, short circuit) for input
- INDICATORS: LEDs for operation, switching state, and fault
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- OPERATING TEMPERATURE: -20 °C to +60 °C
- MOUNTING: 35mm DIN Rail
- COMPATIBILITY/APPLICATION:
- HAZARDOUS AREA CLASSIFICATION: Zone 0, 1, 2 (Gas, Dust)
- SAFETY INTEGRITY LEVEL (SIL): Up to SIL 2 (IEC 61508)
- CERTIFICATIONS: ATEX, IECEx, UL
- TARGET SYSTEMS: Process control, Emergency Shutdown (ESD), Fire & Gas (F&G) systems, chemical plants, oil & gas, pharmaceuticals