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Pepperl+Fuchs KFD2-STC5-Ex1.20

by Pepperl+Fuchs

OverviewThe Pepperl+Fuchs KFD2-STC5-Ex1.20 provides a robust and secure connection for 2-wire SMART transmitters or current sources located in explosive atmospheres. This advanced 1-channel isolated barrier and power supply delivers a precise 4–20 mA active signal, guaranteeing consistent data transmission. It also supports bidirectional HART communication, enabling in-depth diagnostics and effortless configuration of field devices. Designed with safety as a priority, this unit holds SIL 2 certification according to IEC/EN 61508, highlighting its exceptional reliability and functional safety in demanding industrial environments. Key features include galvanic isolation for enhanced protection, continuous fault monitoring, and a compact design suited for efficient DIN rail mounting, making it an essential component for contemporary industrial automation.Key Features Single-Channel SMART Transmitter Power Supply: Efficiently powers and isolates one 2-wire SMART transmitter or current source. Hazardous Area Compatibility: Works with 2-wire transmitters or current sources in hazardous locations. Active 4–20 mA Output: Delivers a dependable 4–20 mA active signal in the safe area for accurate control and monitoring. HART Communication Support: Fully supports digital HART communication for advanced device setup, diagnostics, and data exchange. SIL 2 Certified (SC 3): Achieves Safety Integrity Level 2 compliance per IEC/EN 61508, ensuring high functional safety and dependability. Broad Power Supply Range: Operates effectively with a 24 V DC power supply, from 20 to 30 V DC. Triple Galvanic Isolation: Offers superior protection between input, output, and power circuits, enhancing system integrity. Integrated Line Fault Detection: Monitors for short and open circuits, providing early alerts and improving system uptime. Compact DIN Rail Mounting: Space-saving 20 mm enclosure designed for simple and secure installation on a DIN rail. LED Indicators: Clearly visible LED indicators provide immediate status updates and diagnostic feedback. Technical Specifications Model: KFD2-STC5-Ex1.20 Input: 4–20 mA from SMART transmitter or current source Output: Active 4–20 mA Supply Voltage: 20 to 30 V DC Current Consumption: Approximately 0.9 W Isolation Voltage: 375 V AC Temperature Range: –20 °C to +60 °C Protection Rating: IP20 Mounting Type: DIN rail (EN 60715) Certifications: ATEX, IECEx, UL, CSA, CE Safety Compliance: SIL 2 (Systematic Capability 3) ApplicationsThe Pepperl+Fuchs KFD2-STC5-Ex1.20 is a flexible solution for diverse industrial applications demanding safe and dependable signal transmission from hazardous zones: Process Automation: Crucial for secure signal interfacing from Ex zone transmitters to control systems. Oil & Gas Industry: Ensures reliable analog signal transmission in challenging and potentially explosive settings. Water & Wastewater Treatment: Facilitates SMART integration with monitoring and control systems for optimized operations. Pharmaceutical and Chemical Plants: Provides functional safety with precise analog control for sensitive processes. DCS/PLC Systems: Seamlessly integrates analog inputs with HART pass-through capabilities for advanced distributed control and programmable logic controller systems. Why Choose This Model?Choosing the Pepperl+Fuchs KFD2-STC5-Ex1.20 signifies an investment in unmatched safety, efficiency, and dependability for your industrial operations. This model distinguishes itself through its compact yet powerful design, offering a comprehensive solution for connectivity with SMART transmitters in hazardous environments. Its HART compatibility provides operators with remote diagnostic and configuration advantages, reducing the need for expensive and time-consuming manual interventions. Furthermore, its robust SIL 2 certification highlights a commitment to superior safety standards.Order NowEnhance your industrial control systems with the KFD2-STC5-Ex1.20. Contact us today to place your order or to learn more about how this device can optimize your operations.FAQWhat is the primary function of the Pepperl+Fuchs KFD2-STC5-Ex1.20?Its primary function is to provide an isolated power supply and signal conditioning for 2-wire SMART transmitters or current sources in hazardous areas, delivering a 4-20mA active output to the safe area along with HART communication capabilities.What does SIL 2 certification mean for this product?SIL 2 certification indicates that the product meets Safety Integrity Level 2 requirements under IEC/EN 61508, ensuring a high level of functional safety and reliability in critical applications.Can this device be used with existing control systems?Yes, it seamlessly integrates with DCS/PLC systems, offering analog input with HART pass-through, making it compatible with most modern industrial control infrastructures.

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