{"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\/pt\/products\/endress-hauser-rn221n-b1-active-barrier","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}