{"product_id":"1797-bic-plc-module-for-zone-1-hazardous-environments","title":"1797-BIC PLC Module for Zone 1 Hazardous Environments","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1797-BIC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as the critical communication bridge between standard control environments and intrinsically safe zones. As a high-performance Bus Isolator, it provides the necessary galvanic isolation to extend the FLEXbus backplane into hazardous locations (Zone 1\/2). This module ensures that electrical energy remains below ignition thresholds, protecting volatile atmospheres while maintaining seamless data flow to your PLC architecture.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003eCondition Note:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWe supply this component in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New, original factory condition\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto ensure maximum lifecycle longevity for your critical systems.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1797-BIC maintains rigorous safety parameters to meet CENELEC, FM, and cULus standards.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e18–32V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e150 mA @ 24V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.1 W (7.2 BTU\/hr)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDrives up to 8 FLEX Ex I\/O modules\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGalvanic to DIN EN 60079-11\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIS Output (CENELEC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUo \u0026lt; 5.75V DC, Io \u0026lt; 400 mA, Po \u0026lt; 2.05 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConductor Size\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 mm² (12 AWG) stranded max\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e–20°C to +70°C (–4°F to +158°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHorizontal or Vertical DIN Rail\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe 1797-BIC solves specific integration challenges in complex process plants:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHazardous Zone Transition:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module eliminates the need for bulky, expensive explosion-proof enclosures by utilizing intrinsic safety (IS) principles. It allows you to mount I\/O closer to sensors in Zone 1 environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGalvanic Separation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-quality internal circuitry prevents ground loops and protects the \"safe area\" control hardware from faults occurring in the field.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSpace Efficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe slim DIN-rail design integrates directly with the FLEX I\/O stack, reducing the footprint compared to traditional isolation barriers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Connectivity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports specialized 1794-CE1 and 1794-CE3 cables, ensuring high-integrity bus extension even in high-vibration or electrically noisy industrial settings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the 1797-BIC to connect standard 1794 FLEX I\/O modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 1797-BIC specifically interfaces with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1797 FLEX Ex\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodules. It acts as the \"gatekeeper\" between the non-hazardous power source and the intrinsically safe field modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if the power supply exceeds 32V DC?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module operates strictly within an 18-32V DC window. Exceeding these limits risks tripping internal protection or compromising the intrinsic safety rating. Always use a regulated 24V DC power supply.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require a specific mounting orientation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile it supports DIN rail mounting, you must ensure adequate thermal dissipation. In high-temperature environments, horizontal mounting provides the best airflow to maintain the 70°C peak operating rating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow many field modules can a single 1797-BIC drive?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA single isolator supports a maximum of eight (8) FLEX Ex I\/O modules. If your rack exceeds this, you must implement an additional isolator to maintain signal integrity and safety compliance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":43374531444826,"sku":"1797-BIC","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/212._092dc751-0ddf-4bab-a814-43081eb48d53.jpg?v=1778748312","url":"https:\/\/www.spareoil.com\/products\/1797-bic-plc-module-for-zone-1-hazardous-environments","provider":"SpareOil Automation","version":"1.0","type":"link"}