{"title":"Endress+Hauser","description":"\u003cp\u003eThe Endress+Hauser portfolio offers a comprehensive range of industrial measurement instrumentation and system components engineered for continuous process control and automation. The product architecture encompasses advanced field devices designed to measure level, pressure, flow, temperature, and liquid analytics, alongside essential system components like active barriers, loop-powered indicators, and surge arresters. Characterized by high galvanic isolation, robust environmental ratings, and compliance with strict functional safety standards such as SIL2, these devices deliver exceptional reliability under harsh operating conditions. Functional capabilities include highly accurate signal transmission, real-time sensor diagnostics, and seamless field network integration through standardized industry protocols including HART, PROFIBUS, and Foundation Fieldbus. This makes the lineup critical for optimizing safety, efficiency, and data transparency in oil and gas, chemical, water treatment, and food and beverage processing facilities.\u003c\/p\u003e","products":[{"product_id":"endress-hauser-rn221n-b1-active-barrier","title":"Endress+Hauser RN221N-B1 Active Barrier","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eEndress+Hauser RN221N-B1\u003c\/strong\u003e is an active barrier with an integrated transmitter power supply designed for the safe separation of 4 to 20 mA current signal circuits. This device provides galvanic isolation between the input and output circuits, making it ideal for removing large loop circuits and powering 2-wire transmitters in process control environments. Equipped with an intrinsically safe input option for hazardous locations, it supports bi-directional \u003cstrong\u003eHART communication\u003c\/strong\u003e to transmit status information and sensor configurations smoothly from the field to control instrumentation. The \u003cstrong\u003eEndress+Hauser RN221N-B1\u003c\/strong\u003e features a compact 22.5 mm housing suited for standard top hat DIN rail mounting, ensuring efficient use of cabinet space across various industrial automation systems.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvides reliable galvanic isolation for 4 to 20 mA current signaling paths.\u003c\/li\u003e\n\u003cli\u003eIntegrates a built-in loop power supply to energize field-mounted 2-wire transmitters.\u003c\/li\u003e\n\u003cli\u003eSupports bi-directional HART communication transmission and includes front-mounted communication sockets.\u003c\/li\u003e\n\u003cli\u003eHoused in a space-saving 22.5 mm wide enclosure designed for side-by-side installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGalvanic isolation and loop separation of 4 to 20 mA field circuits.\u003c\/li\u003e\n\u003cli\u003eIntrinsically safe power distribution to transmitters situated in Ex-areas.\u003c\/li\u003e\n\u003cli\u003eIndustrial process liquid monitoring, flow, pressure, and temperature registration architectures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOrder Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eProduct Structure \/ Component\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRN221N-B1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eActive barrier RN221N, transmitter power supply, 4-20mA, 1:1 transmission, bi-directional HART communication, SIL2, housing 22.5mm, top hat DIN rail 35mm, IP20. Approval: ATEX II (1)GD (EEx ia) IIC. Power supply; diagnosis: 20-250 VDC\/AC; none.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch4\u003eOptional Accessories\u003c\/h4\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOrder Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eAccessory\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e51002468\u003c\/td\u003e\n\u003ctd\u003eProtective housing IP66 for field mounting \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e51004148\u003c\/td\u003e\n\u003ctd\u003eAdhesive label, printed (max. 2x16 chars) \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e51002393\u003c\/td\u003e\n\u003ctd\u003eMetal tag for tag number \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eEndress+Hauser \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e1 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e16.7 V +\/- 0.2 V (for I = 20 mA) \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOpen Circuit Voltage (Input)\u003c\/td\u003e\n\u003ctd\u003e26 V +\/- 5% \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShort Circuit Current (Input)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 40 mA \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Resistance (Input)\u003c\/td\u003e\n\u003ctd\u003e328 Ohm \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverrange (Input\/Output)\u003c\/td\u003e\n\u003ctd\u003e10% \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e1 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOpen Circuit Voltage (Output)\u003c\/td\u003e\n\u003ctd\u003e24 V +\/- 10% \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad (Impedance)\u003c\/td\u003e\n\u003ctd\u003e10 to 700 Ohm (without communication resistance) \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGalvanic Isolation\u003c\/td\u003e\n\u003ctd\u003eTo all other current circuits \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e20 to 250 V DC\/AC, 50\/60 Hz \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMax. 2.5 W (without HART diagnosis) \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Safety\u003c\/td\u003e\n\u003ctd\u003eTo IEC 61010-1, protection class I, overvoltage category II, pollution degree 2, overload protection \u0026lt;= 10 A, fuse 315 mA T \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLinearity\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 0.15% \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Influence\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 0.1% \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Temperature Influence\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 0.1% in range 0 degC to 50 degC; \u0026lt;= 0.2%\/10K in range -20 degC to 0 degC \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Temperature Limits\u003c\/td\u003e\n\u003ctd\u003e-20 to +50 degC (-4 to 122 F) \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 to +70 degC (-4 to 158 F) \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Height\u003c\/td\u003e\n\u003ctd\u003eTo IEC 61010-1: \u0026lt; 2000 m (6561 ft) above sea level \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClimate Class\u003c\/td\u003e\n\u003ctd\u003eTo IEC 60654-1 Class B2 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDegree of Protection\u003c\/td\u003e\n\u003ctd\u003eIP 20 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectromagnetic Compatibility (EMC)\u003c\/td\u003e\n\u003ctd\u003eImmunity to IEC 61326, Class A (Industrial environment) \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 150 g (1.1 lb) \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003ePlastic PC\/ABS, UL 940 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminals\u003c\/td\u003e\n\u003ctd\u003eKeyed plug-on screw terminals, core size 2.5 mm2 solid, or strands with ferrules \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\u003eMount the device on a top hat DIN rail according to IEC 60715 TH35.\u003c\/li\u003e\n\u003cli\u003eThere are no restrictions regarding the installation angle, allowing flexible positioning inside control enclosures.\u003c\/li\u003e\n\u003cli\u003eSelect a vibration-free installation point and implement measures to protect the housing from external heating sources.\u003c\/li\u003e\n\u003cli\u003eKeep all terminal connections secure, utilizing the keyed plug-on screw design with up to 2.5 mm2 core size solid wires or strands with ferrules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eATEX: II (1)GD (EEx ia) IIC \u003c\/li\u003e\n\u003cli\u003eFunctional Safety: SIL2 \/ FMEDA according to IEC 61508\/IEC 61511\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Endress+Hauser","offers":[{"title":"Default Title","offer_id":53452390433131,"sku":"RN221N-B1","price":240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/RN221N-B1_1.jpg?v=1783049987"}],"url":"https:\/\/www.plcprotech.com\/id\/collections\/endress-hauser.oembed","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}