{"product_id":"allen-bradley-1746sc-ini4i","title":"1746sc-INI4i","description":"\u003ch2\u003eOverview of Allen-Bradley 1746SC-INI4I 4-Channel Isolated Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eThe Allen-Bradley 1746SC-INI4I is a 4-channel isolated analog current input module designed for SLC 500 programmable controllers. It provides individually isolated inputs for accurate and reliable analog signal acquisition in industrial control systems, supporting current inputs of 0-20 mA and 4-20 mA ranges. The module is suitable for noisy environments and offers high accuracy and versatile filtering options.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features of 1746SC-INI4I\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eFour isolated analog current input channels for precise signal measurement.\u003c\/li\u003e\n  \u003cli\u003eSupported input ranges: 0-20 mA, 4-20 mA.\u003c\/li\u003e\n  \u003cli\u003e16-bit resolution with 312.8 nA per count accuracy.\u003c\/li\u003e\n  \u003cli\u003eFour selectable filter frequencies for optimal noise rejection and fastest update times.\u003c\/li\u003e\n  \u003cli\u003eIndividual channel programmability via ladder register settings or RSLogix software.\u003c\/li\u003e\n  \u003cli\u003eOn-board ambient temperature compensation for performance consistency.\u003c\/li\u003e\n  \u003cli\u003eElectrical isolation: 125 VAC continuous between field wiring and backplane, and channel-to-channel isolation.\u003c\/li\u003e\n  \u003cli\u003eInput impedance: Less than 250 ohms for current inputs.\u003c\/li\u003e\n  \u003cli\u003eUpdate times as fast as 14 ms for current inputs (with 500 Hz filtering).\u003c\/li\u003e\n  \u003cli\u003eRobust design for harsh industrial environments with operation temperature 0 to 60°C.\u003c\/li\u003e\n  \u003cli\u003eBackplane current draw: 440 mA at 5 V (typical), 0 mA at 24 V.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e4 isolated current inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Range\u003c\/td\u003e\n\u003ctd\u003e0-20 mA, 4-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16 bits at 312.8 nA\/count\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltering\u003c\/td\u003e\n\u003ctd\u003eSelectable filter frequencies (up to 500 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Time\u003c\/td\u003e\n\u003ctd\u003e14 ms (with 500 Hz filtering)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003eLess than 250 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e125 VAC field wiring to backplane and channel-to-channel isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e440 mA at 5 V (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60°C (32 to 140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications \/ Use Cases\u003c\/h2\u003e\n\u003cp\u003eThis module is ideal for acquiring isolated analog current signals in process control and industrial automation applications. Its isolation and precise filtering make it suitable for use in electrically noisy environments requiring stable and accurate analog data.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":47809557561643,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_022c8e5a-faa1-4653-98b5-3cc1dd658c86.png?v=1723546476","url":"https:\/\/leadtime.ca\/products\/allen-bradley-1746sc-ini4i","provider":"LEADTIME","version":"1.0","type":"link"}