ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 305985 - K-System 2-Channel Switch Repeater Intrinsic Safety Barrier
This K-System intrinsic safety barrier, identified as KFD2-SR2-EX1.W, provides galvanic isolation and signal conditioning for two NAMUR sensors or mechanical contacts located in hazardous areas. It converts intrinsically safe input signals into two independent relay outputs for control systems in the safe area, incorporating line fault detection for enhanced system integrity.
Technical Specifications:
- SERIES/FAMILY: K-System Intrinsic Safety Barriers (KFD2)
- COMPONENT TYPE: Switch Repeater Barrier, 2-Channel
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35VDC (Wide Range)
- POWER CONSUMPTION: 1.5W at 24VDC (typical)
- OUTPUT SWITCHING CAPACITY: 250VAC/2A, 125VDC/0.2A (resistive load)
- HAZARDOUS AREA OUTPUT: 8VDC / 8mA (NAMUR sensor supply)
- INTERFACE/CONTROL:
- INPUTS: 2 x NAMUR sensor inputs (EN 60947-5-6) or mechanical contacts
- OUTPUTS: 2 x SPDT (Single Pole Double Throw) Changeover Relay Contacts
- DIAGNOSTICS: Line fault detection (LFD) for open/short circuit, LED indicators for operation, switching state, and fault
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals), IP40 (housing)
- OPERATING TEMPERATURE: -20 to +60 °C
- MOUNTING: 35mm DIN Rail
- DIMENSIONS: 20mm width, 119mm height, 115mm depth (standard K-System housing)
- COMPATIBILITY/APPLICATION:
- HAZARDOUS AREA CLASSIFICATION: Ex ia IIC, Ex ia IIB, Ex ia IIA
- SAFETY INTEGRITY LEVEL (SIL): Up to SIL 2 (IEC 61508/IEC 61511)
- TARGET APPLICATIONS: Interfacing NAMUR proximity sensors, mechanical switches, and potential-free contacts in Zone 0, 1, 2 hazardous areas with safe area control systems.
