{"title":"Pepperl+Fuchs","description":"Pepperl+Fuchs is a global pioneer in explosion protection and sensor technology for process industries. The architecture is defined by the K-System and H-System isolated barriers and a vast array of P+F Sensors. Technical characteristics include SIL-rated safety interfaces, intrinsically safe circuits for hazardous areas, and robust photoelectric\/inductive sensing. Functionally, P+F components ensure safe signal transmission between field devices and control systems in oil, gas, and chemical plants. Their expertise in intrinsic safety and industrial sensing makes them a critical partner for ensuring the operational integrity of automation systems in volatile environments.","products":[{"product_id":"nbb20-u1-e0-pepperl-fuchs-inductive-sensor","title":"NBB20-U1-E0 | Pepperl+Fuchs | Inductive Sensor","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eNBB20-U1-E0 (NBB20U1E0)\u003c\/strong\u003e is a flush-mounted inductive proximity sensor designed for non-contact metal detection in industrial automation systems. The device provides a \u003cstrong\u003e20 mm sensing distance\u003c\/strong\u003e with stable switching behavior in harsh environments. A \u003cstrong\u003ebidirectional rotatable sensing head\u003c\/strong\u003e allows flexible installation in tight machine layouts. Four LED indicators provide \u003cstrong\u003e360 degree visibility\u003c\/strong\u003e for fast diagnostics during commissioning and maintenance.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eNPN normally open output\u003c\/strong\u003e supports PLC digital input modules commonly used in packaging lines, conveyors, robotics, and material handling systems. The IP68 and IP69K enclosure protects the sensor in washdown areas, mining equipment, and outdoor installations. The robust switching frequency and low hysteresis help reduce false triggering and minimize unplanned downtime.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration (Deep Dive)\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eNBB20-U1-E0\u003c\/strong\u003e model follows Pepperl+Fuchs inductive sensor naming logic:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNBB20\u003c\/strong\u003e indicates a non-flush inductive sensing concept with 20 mm rated distance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eU1\u003c\/strong\u003e defines rectangular housing with universal mounting orientation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eE0\u003c\/strong\u003e identifies \u003cstrong\u003e3-wire DC NPN normally open output\u003c\/strong\u003e with screw terminal connection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe sensor uses a \u003cstrong\u003e3-wire DC architecture\u003c\/strong\u003e with internal short-circuit protection and reverse polarity protection. The sensing face uses PA material with epoxy-coated metal housing for mechanical durability. The rotatable sensing head allows horizontal or vertical switching alignment without rewiring.\u003c\/p\u003e\n\u003cp\u003eFour integrated LEDs show power status and switching state from multiple directions. This improves troubleshooting speed inside cabinets or machine frames.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eNBB20-U1-E0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePepperl+Fuchs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eInductive Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Sensing Distance\u003c\/td\u003e\n\u003ctd\u003e20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssured Sensing Distance\u003c\/td\u003e\n\u003ctd\u003e0 to 16.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eNPN Normally Open\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring\u003c\/td\u003e\n\u003ctd\u003e3-wire DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e10 to 30 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Frequency\u003c\/td\u003e\n\u003ctd\u003eup to 440 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Current\u003c\/td\u003e\n\u003ctd\u003e0 to 200 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Drop\u003c\/td\u003e\n\u003ctd\u003eless than or equal to 2 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo Load Current\u003c\/td\u003e\n\u003ctd\u003eless than or equal to 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHysteresis\u003c\/td\u003e\n\u003ctd\u003eapprox 5 percent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eReverse polarity and short circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP68 \/ IP69K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003ePA and metal epoxy coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003eScrew terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-25 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e118 x 40 x 40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.225 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e1.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eUL, CSA, EN IEC 60947-5-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs NBB20-U1-E0 compatible with standard PLC digital inputs?\u003c\/strong\u003e\u003cbr\u003eYes. The NPN normally open output works with most 24 V DC sinking PLC inputs including Siemens, Allen Bradley, and Schneider modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this sensor replace older Pepperl+Fuchs rectangular 20 mm sensors?\u003c\/strong\u003e\u003cbr\u003eYes. The mounting footprint and electrical characteristics allow direct replacement of most U1 series 20 mm inductive sensors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat causes unstable switching at long sensing distance?\u003c\/strong\u003e\u003cbr\u003eMetal type affects detection range. Aluminum and copper reduce sensing distance due to lower reduction factors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the sensor support washdown environments?\u003c\/strong\u003e\u003cbr\u003eYes. IP68 and IP69K protection allows use in food processing, chemical plants, and outdoor conveyors.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cp\u003eInstall the sensor flush with metal surface to maintain rated 20 mm sensing distance. Non-flush mounting increases switching variation.\u003c\/p\u003e\n\u003cp\u003eUse shielded cable when routing near VFD motor lines. This reduces electrical noise and false switching.\u003c\/p\u003e\n\u003cp\u003eDo not exceed 1.2 Nm terminal tightening torque. Excess torque damages screw terminals and causes intermittent signal loss.\u003c\/p\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eNBB20-U1-E0\u003c\/strong\u003e provides reliable detection in vibration-heavy machinery due to solid epoxy coated housing. The rotatable sensing head simplifies alignment in retrofits. The wide temperature range supports outdoor material handling systems.\u003c\/p\u003e\n\u003cp\u003eThe IP69K protection ensures operation in high pressure washdown areas. Internal protection circuits prevent damage from wiring mistakes. The standard 3-wire interface ensures compatibility with legacy PLC systems.\u003c\/p\u003e","brand":"Pepperl + Fuchs","offers":[{"title":"Default Title","offer_id":52668297642347,"sku":"NBB20-U1-E0","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/nbb20-u1-e0-s52u2gedadb_8cda3ea6-91b3-41c9-acfa-fa0dcf90df61.jpg?v=1765520450"},{"product_id":"pepperl-fuchs-kfd2-stc4-ex1-h-k-system-smart-transmitter-power-supply","title":"Pepperl+Fuchs KFD2-STC4-Ex1.H K-System SMART Transmitter Power Supply","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eKFD2-STC4-Ex1.H\u003c\/strong\u003e is a 1-channel isolated barrier designed for intrinsic safety applications. This device supplies 2-wire and 3-wire \u003cstrong\u003eSMART transmitters\u003c\/strong\u003e with a higher output voltage in hazardous areas, and it can also be configured for use with 2-wire \u003cstrong\u003eSMART current sources\u003c\/strong\u003e. It transfers the \u003cstrong\u003eanalog input signal\u003c\/strong\u003e to the safe area as an isolated current value. Digital signals can be superimposed on the loop in either the hazardous or safe area to enable robust \u003cstrong\u003ebi-directional communication\u003c\/strong\u003e. The module maintains galvanic isolation across the system to preserve loop integrity in demanding industrial process control networks.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntrinsic Safety Isolation:\u003c\/strong\u003e Provides reliable signal transfer between hazardous zone field devices and safe area control systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Field Voltage Support:\u003c\/strong\u003e Delivers an available voltage of \u0026gt;= 17.6 V DC at 20 mA to adequately power field instrumentation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Protocol SMART Support:\u003c\/strong\u003e Fully compatible with digital communication protocols, including \u003cstrong\u003eHART\u003c\/strong\u003e, \u003cstrong\u003eBRAIN\u003c\/strong\u003e, and \u003cstrong\u003eFoxboro\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Loop Resistance:\u003c\/strong\u003e Features an internal 250 Ohm resistor between terminals 8 and 9 that can be selected if the loop's HART communication resistance is insufficient.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Test Points:\u003c\/strong\u003e Built-in test sockets are directly integrated into the terminals to simplify connection of \u003cstrong\u003eHART communicators\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctional Safety Rating:\u003c\/strong\u003e Certified up to \u003cstrong\u003eSIL2\u003c\/strong\u003e compliance according to IEC 61508 standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePetrochemical and Refining:\u003c\/strong\u003e Powering and isolating field transmitters located in explosive atmospheres like Zone 0, Zone 1, and Zone 2 environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Processing:\u003c\/strong\u003e Bi-directional data extraction from smart field instrumentation back to a distributed control system (DCS) or safety instrumented system (SIS).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater and Wastewater:\u003c\/strong\u003e Interfacing with liquid and level measurement transmitters over long-distance cable runs utilizing standard 4-20 mA control loops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePepperl+Fuchs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAnalog input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 ... 35 V DC via Power Rail or terminals 14+, 15-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.9 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0\/4 ... 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 2.4 V at 20 mA (terminals 5, 6)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 64 Ohm terminals 2-, 3; \u0026lt;= 500 Ohm terminals 1+, 3 (250 Ohm load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 17.6 V at 20 mA terminals 1+, 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0\/4 ... 20 mA (overload \u0026gt; 25 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoad\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 ... 800 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRipple\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWithin supply tolerance (Supply) | \u0026lt;= 50 uA_rms (Output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransfer Deviation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 10 uA incl. calibration, linearity, hysteresis, loads and supply fluctuations at +20 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Influence\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.25 uA\/K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eField to control: 0 ... 7.5 kHz (-3 dB) | Control to field: 0.3 ... 7.5 kHz (-3 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSettling \/ Rise Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSettling time: 200 us | Rise\/fall time: 20 us\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmbient Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20 ... 60 degC (-4 ... 140 Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDegree of Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMass\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 200 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 x 124 x 115 mm (0.8 x 4.9 x 4.5 in), housing type B2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOn 35 mm DIN mounting rail acc. to EN 60715:2001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTerminal Connection\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal 1+\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHazardous Area Input (Positive Connection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal 2-\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHazardous Area Input (Negative Connection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal 3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHazardous Area Input (Common\/Return Reference)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal 5-\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHazardous Area Current Source Input (-)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal 6+\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHazardous Area Current Source Input (+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal 7-\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSafe Area Output (-)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal 8+\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSafe Area Output (+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal 9\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSafe Area Output (Internal 250 Ohm Resistor Connection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal 14+\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice Power Supply 24 V DC (+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal 15-\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDevice Power Supply 24 V DC (-)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Rail\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlternative 24 V DC continuous supply rail connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN Rail Installation:\u003c\/strong\u003e Snap the module vertically onto a standard 35 mm DIN mounting rail ensuring the locking tabs engage securely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Rail Integration:\u003c\/strong\u003e When using the optional Power Rail system, align the module's bottom contacts with the rail insert before clicking it down; do not wire power to individual terminals if the rail is energized.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolarity Verification:\u003c\/strong\u003e Double-check terminal wiring configuration diagrams for 1+, 2-, 14+, and 15- prior to switching on the loop power source to prevent hardware faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazardous Area Precautions:\u003c\/strong\u003e Maintain safe physical separation between the blue hazardous intrinsically safe terminal connections and the green safe area connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Termination:\u003c\/strong\u003e Bridge terminals 8 and 9 if the target system requires the insertion of the internal 250 Ohm resistor to stabilize HART protocol interactions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC-Type Examination Certificate:\u003c\/strong\u003e BAS 99 ATEX 7060 \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eATEX Group, Category, Protection Type:\u003c\/strong\u003e II (1)G [Ex ia Ga] IIC, II (1)D [Ex ia Da] IIIC \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 2 Conformity Statement:\u003c\/strong\u003e TÜV 99 ATEX 1499 X; II 3G Ex nA II T4 [device in zone 2] \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMining Certification:\u003c\/strong\u003e DMT 01 ATEX E 133; (M1) [Ex ia] I \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIECEx Approval:\u003c\/strong\u003e IECEx BAS 04.0016; [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL Approval:\u003c\/strong\u003e 116-0173 (cULus) \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctional Safety Standards:\u003c\/strong\u003e Up to SIL2 according to IEC 61508 \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectromagnetic Compatibility:\u003c\/strong\u003e EN 61326-1:2006, NE 21:2006 \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary function of this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe device functions as an isolated barrier that provides power to transmitters in hazardous zones and transfers isolated analog signals back to a safe area control system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this barrier be used with non-HART devices?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, it functions perfectly with standard 0\/4 to 20 mA analog instruments even if digital modulation protocols are not deployed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the internal 250 Ohm resistor assist with communication?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf the loop impedance of the safe area control system is too low for a HART communicator to decode data, using terminal 9 adds the integrated resistor into the circuit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat power supply range does the device accept?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module operates reliably on any input supply voltage between 20 V DC and 35 V DC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this isolated barrier require a direct terminal connection for power?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePower can be supplied either directly through terminals 14+ and 15- or smoothly via a compatible Power Rail unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it support a 3-wire transmitter configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the hardware accommodates both 2-wire and 3-wire SMART transmitters as well as 2-wire current sources.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat do the green and blue terminals signify?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe blue terminals are dedicated to fields located within hazardous, intrinsically safe zones, while the green terminals are intended for safe area or control-side wiring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the response speed of the analog transmission channel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe device features a settling time of 200 microseconds along with a rise and fall time specification of 20 microseconds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many channels does this module support?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis model is a dedicated single-channel interface unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should I check if the front panel LED is off?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAn unlit green LED indicates a power supply failure, requiring verification of the 24 V DC power rail or terminal connections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum allowed load resistance on the output side?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe safe area current loop supports load impedances ranging from 0 Ohm up to a maximum limit of 800 Ohm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre there integrated testing connections available on the unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, specialized test sockets designed to fit standard HART communicator leads are constructed right into the removable terminals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this device pass digital parameters backwards and forwards?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe circuit layout allows digital communication signals to superimpose on the analog current loop and pass bi-directionally.\u003c\/p\u003e","brand":"Pepperl + Fuchs","offers":[{"title":"Default Title","offer_id":53240106025323,"sku":"KFD2-STC4-EX1.H","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/KFD2-STC4-EX1.H_2.png?v=1779882065"}],"url":"https:\/\/www.plcprotech.com\/collections\/pepperl-fuchs.oembed","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}