ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 2399990004 - KFD2-SR2-EX1.W Intrinsic Safety Switch Amplifier
The KFD2-SR2-EX1.W is a K-System intrinsic safety barrier module, functioning as a two-channel switch amplifier with galvanic isolation. It is engineered to interface NAMUR proximity sensors or mechanical contacts located in hazardous areas with control systems in the non-hazardous area. This module provides reliable signal conditioning and line fault detection, ensuring compliance with intrinsic safety requirements for critical process control applications.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsic Safety Switch Amplifier, Galvanic Isolation
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35 VDC
- POWER CONSUMPTION: <= 1.5 W (at 24 VDC, with outputs energized)
- INPUT: 2-channel, for NAMUR sensors (EN 60947-5-6) or dry contacts
- OUTPUT: 2-channel, potential-free SPDT (Single Pole Double Throw) relay contacts
- SWITCHING CAPACITY: 250 VAC / 2 A or 30 VDC / 2 A (resistive load)
- INTERFACE/CONTROL:
- INPUT SIGNAL TYPE: NAMUR (EN 60947-5-6) or dry contact
- OUTPUT SIGNAL TYPE: Potential-free relay contact
- RESPONSE TIME: <= 20 ms
- SWITCHING FREQUENCY: <= 5 kHz
- FAULT DETECTION: Line fault detection (wire break, short circuit) per EN 60947-5-6
- INDICATORS: LED for operation, switching state, and fault
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals), IP40 (housing)
- OPERATING TEMPERATURE: -20 °C to +60 °C
- MOUNTING: 35 mm DIN rail
- HAZARDOUS AREA COMPLIANCE: Intrinsic safety circuits certified for connection to field devices in Ex ia IIC T4 Ga and Ex ia IIB T4 Gb hazardous areas
- SAFETY INTEGRITY LEVEL: Up to SIL 2 (IEC 61508 / IEC 61511)
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Process control systems (PCS), Distributed Control Systems (DCS), Safety Instrumented Systems (SIS), Programmable Logic Controllers (PLCs)
- APPLICATIONS: Interfacing NAMUR proximity sensors, limit switches, and emergency stop buttons in chemical processing, oil and gas, pharmaceutical manufacturing, and other industrial environments requiring intrinsic safety.
