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Pepperl+Fuchs KFD2-STC5-Ex2

by Pepperl+Fuchs

OverviewThe Pepperl+Fuchs KFD2-STC5-Ex2 (Part No. 203645) is an advanced two-channel SMART transmitter power supply and isolation barrier, expertly designed for critical uses in hazardous industrial locations. This sophisticated device provides a dependable interface for 2-wire SMART transmitters or current sources, guaranteeing uninterrupted and secure analog signal (4–20 mA) transmission to safe areas. It offers full support for bidirectional HART communication, enabling in-depth diagnostics and configuration from a protected environment. Adhering to the strict requirements of IEC/EN 61508, the KFD2-STC5-Ex2 is certified for Safety Integrity Level (SIL) 2 (SC 3) systems. Its innovative design incorporates galvanic isolation, delivering superior protection and signal integrity. Additionally, its compact 20 mm width and DIN rail mounting capability simplify integration into both new and existing industrial automation setups, making it an essential component for secure and reliable operations.Key Features Manufacturer Part Number: 203645 Channels: Two fully isolated input/output channels for independent functionality. Input Compatibility: Specifically engineered for 2-wire SMART transmitters or current sources located in hazardous environments. Output: Generates active 4–20 mA current signals, safely relayed to non-hazardous zones. Power Supply: Operates efficiently within a 20–30 V DC range, ensuring consistent performance. HART Compatibility: Supports extensive bidirectional digital communication for enhanced management and supervision. Safety Certification: SIL 2 certified (SC 3) in accordance with IEC/EN 61508, ensuring high levels of functional safety. Galvanic Isolation: Provides 3-way isolation among input, output, and power supply, preventing interference and maintaining safety. Mounting: Space-saving DIN rail mounting with a narrow 20 mm housing width for efficient cabinet utilization. LED Indicators: Integrated LEDs provide clear status and fault diagnostics for rapid troubleshooting. Technical Specifications Model: KFD2-STC5-Ex2 Part Number: 203645 Input Signal: From SMART or 2-wire transmitters Output Signal: 4–20 mA (active) Supply Voltage: 24 V DC nominal (20–30 V range) Housing Width: 20 mm Temperature Range: –20 °C to +60 °C (operational) Protection Rating: IP20 Isolation Voltage: 375 V AC Compliance: ATEX, IECEx, UL, CSA, CE (meets global industry standards) Functional Safety: SIL 2 (SC 3) certified Applications Chemical and Petrochemical Plants: Crucial for intrinsically safe transmitter integration in explosive atmospheres. Oil & Gas Facilities: Ensures accurate and reliable analog signal transmission from vital field devices. Water & Wastewater Treatment: Ideal for transmitter interfacing in remote I/O systems, boosting operational safety. Pharmaceutical and Food Processing: Offers compact, SIL-compliant automation solutions where cleanliness and safety are paramount. General Process Control: Provides essential signal isolation for HART-enabled transmitters across diverse industrial processes. Why ChooseThe Pepperl+Fuchs KFD2-STC5-Ex2 represents an outstanding choice for demanding industrial applications, thanks to its unique blend of features and dependability. With two channels housed within an exceptionally compact 20 mm enclosure, it maximizes cabinet space without sacrificing performance. Its comprehensive SIL 2 certification, alongside full HART compatibility, guarantees the highest levels of functional safety and advanced diagnostic capabilities. This model ensures dependable analog signal transmission from challenging hazardous zones, protecting both personnel and equipment. By selecting the KFD2-STC5-Ex2, you are investing in the renowned quality and durability characteristic of Pepperl+Fuchs, ensuring long-term performance even in the most rigorous environments. This device is engineered for precision, safety, and efficiency, making it a critical asset for optimizing industrial operations.Order NowExperience enhanced safety and precision in your industrial processes. Contact us today to order the Pepperl+Fuchs KFD2-STC5-Ex2 or to get expert advice on your specific application needs.FAQWhat is the primary function of the Pepperl+Fuchs KFD2-STC5-Ex2?It functions as a 2-channel SMART transmitter power supply and isolated barrier, specifically designed to transmit analog signals from hazardous areas to safe areas while supporting bidirectional HART communication.Is the KFD2-STC5-Ex2 suitable for use in safety-critical systems?Yes, it is SIL 2 certified (SC 3) according to IEC/EN 61508, making it appropriate for applications requiring high functional safety.Can this device be integrated into tight spaces?Absolutely, with a narrow 20 mm housing and DIN rail mounting capability, it is designed for space-efficient integration in industrial cabinets.What type of input signals does it support?It supports input signals from 2-wire SMART transmitters or current sources located in hazardous environments.Does it offer protection against electrical interference?Yes, it features 3-way galvanic isolation between the input, output, and power supply, which helps prevent interference and ensures signal integrity.

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