ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 190149 - K-System Intrinsic Safety Barrier Switch Amplifier
This K-System intrinsic safety barrier, identified as KFD2-SR2-EX1.W, is engineered for the galvanic isolation and signal conditioning of switch contacts or NAMUR proximity sensors located in hazardous areas. It functions as a dual-channel switch amplifier, transmitting binary signals to the safe area control system while ensuring intrinsic safety for connected field devices. This module is essential for process automation applications requiring reliable signal transfer and compliance with explosion protection standards.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsic Safety Barrier, Switch Amplifier
- ELECTRICAL SPECS: 20-35VDC Nominal Supply Voltage, 2-Channel Input, 2 Relay Outputs
- INTERFACE/CONTROL: Input for NAMUR sensors (EN 60947-5-6) or mechanical contacts, 2 changeover relay outputs
- PERFORMANCE: Switching frequency up to 5 kHz, Response time < 10 ms
- SAFETY RATING: Up to SIL 2 (IEC 61508) certified, Galvanic isolation between input, output, and power supply
- ENVIRONMENTAL/MOUNTING: IP20 Protection, 35mm DIN rail mounting, Operating temperature -20 to +60 °C
- HAZARDOUS AREA APPROVALS: ATEX, IECEx, cULus, FM for various hazardous area classifications (e.g., Ex ia IIC T4 Ga)
- COMPATIBILITY/APPLICATION: Integration with PLC/DCS systems for process control, emergency shutdown, and monitoring in chemical, oil & gas, and pharmaceutical industries.