{"product_id":"pepperl-fuchs-kfd2-scd-ex1-lk-analog-output-module-safe-driver","title":"Pepperl+Fuchs KFD2-SCD-EX1.LK Analog Output Module | Safe Driver","description":"\u003ch3\u003eGlobal PLC Spare HUB Insight\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eKFD2-SCD-EX1.LK\u003c\/span\u003e\u003c\/strong\u003e by \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003ePepperl+Fuchs\u003c\/span\u003e\u003c\/strong\u003e is a high-precision analog output driver designed specifically for HART-enabled field devices in hazardous environments. Unlike standard current loops, this \u003cstrong\u003eSMART Current Driver\u003c\/strong\u003e maintains bi-directional communication, allowing for seamless configuration and diagnostic monitoring of valve positioners or I\/P converters. We recommend the \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eKFD2-SCD-EX1.LK\u003c\/span\u003e\u003c\/strong\u003e for process control loops where field-device health monitoring is essential for predictive maintenance. Its low power dissipation and robust galvanic isolation make it an ideal choice for high-density safety instrumented system (SIS) cabinet designs.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Performance Parameters\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003ePepperl+Fuchs\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eKFD2-SCD-EX1.LK\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e SMART Current Driver \/ Analog Output Isolated Barrier\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInput Signal:\u003c\/strong\u003e 4 ... 20 mA (HART compliant)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOutput Signal:\u003c\/strong\u003e 4 ... 20 mA field-side current\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOutput Load Capacity:\u003c\/strong\u003e 100 Ω to 700 Ω\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVoltage Drop:\u003c\/strong\u003e ~4 V (or 200 Ω internal resistance at 20 mA)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 20 V to 35 V DC (Power Rail compatible)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety Rating:\u003c\/strong\u003e Intrinsically safe output\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProtection Class:\u003c\/strong\u003e IP20\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePhysical Footprint:\u003c\/strong\u003e 20 mm x 115 mm x 115 mm (Housing B1)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 35 mm DIN Rail (EN 60715)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDiagnostic Capability \u0026amp; Application Utility\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHART Transparency:\u003c\/strong\u003e The module supports full digital signal pass-through, allowing control systems to read device diagnostics directly from the field instrument.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrecise Signal Driving:\u003c\/strong\u003e Engineered to maintain signal integrity over long cable runs, ensuring the loop current stays within strict tolerances regardless of field-side impedance changes.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSystem Versatility:\u003c\/strong\u003e Suitable for driving I\/P (current-to-pressure) converters, smart valve positioners, and remote proportional displays in petrochemical, oil\/gas, and water treatment sectors.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFault Management:\u003c\/strong\u003e Provides stable output characteristics that minimize control loop jitter, even under varying ambient thermal conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eShipping \u0026amp; Quality Commitment\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGlobal Distribution:\u003c\/strong\u003e Efficient logistics via FedEx, UPS, or DHL.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRapid Fulfillment:\u003c\/strong\u003e Orders are processed and dispatched within 24 to 48 hours.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStandard Warranty:\u003c\/strong\u003e 12-month comprehensive performance guarantee included.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1x \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eKFD2-SCD-EX1.LK\u003c\/span\u003e\u003c\/strong\u003e driver unit and standard technical documentation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProfessional FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: Does the KFD2-SCD-EX1.LK support non-HART analog output devices?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: Yes, while optimized for HART communication, the unit functions perfectly as a standard isolated 4-20 mA driver for non-smart analog instrumentation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: What should I consider when selecting a load resistance for this driver?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: Ensure the total loop resistance (including cable and field device) stays between 100 Ω and 700 Ω; exceeding 700 Ω will cause the output to saturate and fail to reach the full 20 mA command.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: Can I daisy-chain the power supply for multiple modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: Yes, utilizing the Power Rail system is highly recommended for multi-module installations, as it eliminates individual power wiring and reduces potential point-of-failure connections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: Is there a way to verify the input-to-output accuracy without a PLC?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: You can verify performance by injecting a precise 4-20 mA current into the input terminals and measuring the output with a calibrated multimeter, ensuring the voltage drop remains consistent with the technical specs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: Why does the unit have an input resistance specification of \u0026gt;100 kΩ?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: This high input impedance ensures that the upstream PLC analog output card is not overloaded, allowing one PLC channel to potentially drive multiple barriers if the loop power budget allows.\u003c\/p\u003e\n\n\u003ch3\u003eProcurement Advisory\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompatibility Check:\u003c\/strong\u003e Before installation, verify the HART communication version of your field device to ensure optimal performance with the driver's pass-through logic.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnvironment Setup:\u003c\/strong\u003e Due to the IP20 rating, ensure the \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eKFD2-SCD-EX1.LK\u003c\/span\u003e\u003c\/strong\u003e is installed in a clean, dry, and climate-controlled cabinet environment to maintain the 12-month warranty life-cycle.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConfiguration Note:\u003c\/strong\u003e If you experience signal drop-out, re-check the field-side wiring resistance; if it falls below 50 Ω, the internal resistance monitoring may trigger an alert.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pepperl+Fuchs","offers":[{"title":"Default Title","offer_id":45146314637494,"sku":"KFD2-SCD-EX1.LK","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/KFD2-SCD-EX1.LK.jpg?v=1779952264","url":"https:\/\/www.plcsparehub.com\/products\/pepperl-fuchs-kfd2-scd-ex1-lk-analog-output-module-safe-driver","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}