Pepperl+Fuchs KFD2-SR2-Ex1.W

Overview

The Pepperl+Fuchs KFD2-SR2-Ex1.W is a state-of-the-art 1-channel isolated barrier switch amplifier, meticulously engineered to facilitate the secure and dependable transmission of digital signals from hazardous industrial environments to control systems located in safe areas. This robust device seamlessly integrates with NAMUR sensors or dry contacts, providing a reliable relay contact output that meets the stringent requirements of SIL 2 compliance as per IEC 61508 standards. Its advanced features, including integrated line fault detection (LFD) and reversible operation, make it an indispensable component for safety-critical applications and sophisticated process automation systems that demand unparalleled precision in monitoring and diagnostics. With the KFD2-SR2-Ex1.W, you gain not just a component, but a cornerstone for operational safety and efficiency.

Key Features

• NAMUR Sensor & Dry Contact Input: Designed for versatility, this amplifier supports a wide range of NAMUR sensors and dry contacts, enabling seamless integration with existing instrumentation in hazardous areas.
• Reliable Relay Output: Equipped with a robust Form C (changeover contact) relay, it offers high switching capacity, ensuring dependable control and signal transmission.
• Integrated Line Fault Detection (LFD): Enhance system reliability with automatic monitoring for open and short circuits, promptly identifying and signaling potential malfunctions.
• SIL 2 Certified: Achieve superior safety integrity with certification to Safety Integrity Level 2, fully compliant with IEC 61508 and IEC 61511 standards, making it suitable for critical applications.
• Flexible Power Supply Options: Adaptable to various power infrastructures, it can be powered by 24 V DC via a Power Rail or through convenient terminal connections.
• Comprehensive Status Indicators: Intuitive LED indicators provide immediate visual feedback on relay status, power, and fault diagnostics, simplifying troubleshooting and operational oversight.
• Reversible Output Logic: Tailor the device's behavior to specific application needs with configurable output logic via a DIP switch, allowing for both Light and Dark operation modes.

Technical Specifications

• Input Type: NAMUR sensor or dry contact
• Open Circuit Voltage: Approx. 8 V DC
• Short-Circuit Current: Approx. 8 mA
• Switching Thresholds: ON > 2.1 mA / OFF < 1.2 mA
• Output Type: Relay, SPDT (form C), contact rating: 253 V AC / 2 A (cos φ > 0.7) | 40 V DC / 2 A (resistive load)
• Minimum Switch Current: 2 mA @ 24 V DC
• Response Time: Approx. 20 ms
• Supply Voltage: 19–30 V DC
• Power Consumption: ≤ 0.9 W
• Mounting Type: DIN Rail (EN 60715)
• Operating Temperature: -20 °C to +60 °C
• Enclosure Rating: IP20
• Dimensions: 20 mm (W) × 119 mm (H) × 115 mm (D)
• Indicators: Green (power), Yellow (relay), Red (LFD)

Applications

• Process Control Systems: Essential for interfacing field devices in hazardous areas with Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), ensuring reliable data flow and control.
• Chemical & Oil Industry: A vital component in ATEX-certified and intrinsically safe loop installations, providing critical signal isolation and integrity in volatile environments.
• SIL 2 Safety Loops: Optimized for use in Emergency Shutdown (ESD) signal routing and other safety instrumented systems requiring Safety Integrity Level 2 compliance.
• Automation Panels: Delivers dependable relay output from signals originating in hazardous zones, crucial for automated processes and machinery control.

Why Choose This Model?

The Pepperl+Fuchs KFD2-SR2-Ex1.W stands out as a superior choice for a multitude of reasons. It provides exceptional signal isolation and transfer capabilities from hazardous areas, safeguarding your control systems and personnel. The integrated diagnostics and clear status indicators enable quick and efficient troubleshooting, minimizing downtime and maintenance efforts. With its SIL 2 certification, you gain the assurance of uncompromising safety for your most critical applications. The flexible configuration options, easily adjustable via DIP switches, allow for tailored operation to meet specific project demands. Furthermore, its compact 20 mm width is a significant advantage, conserving valuable panel space without compromising performance. Choose the KFD2-SR2-Ex1.W for a solution that combines safety, reliability, and efficiency.

Order Now

Elevate your industrial safety and control systems with the Pepperl+Fuchs KFD2-SR2-Ex1.W 1-channel switch amplifier. Experience unparalleled reliability, cutting-edge safety features, and robust performance in challenging environments. Benefit from fast shipping and worldwide delivery options to get this essential component to your facility without delay. Invest in the KFD2-SR2-Ex1.W today and ensure the highest standards of operational integrity and compliance for your hazardous area applications.