{"product_id":"allen-bradley-1756-ib32k-controllogix-32-point-conformal-coated-dc-input-module","title":"Allen-Bradley 1756-IB32K ControlLogix 32-Point Conformal Coated DC Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IB32K\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-density discrete input interface for the Allen-Bradley ControlLogix system. It monitors up to 32 independent 24V DC field signals, converting them into logic-level data for the controller. This \"K\" version features a factory-applied\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eConformal Coating\u003c\/strong\u003e, providing an essential layer of protection against moisture, dust, and chemical contaminants. We supply this unit in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econdition, ensuring peak performance in demanding industrial atmospheres.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\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\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-IB32K\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Inputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e32 Points\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVoltage Category\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12\/24V DC Sinking\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Voltage Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10–31.2V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current (5.1V)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current (24V)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInrush Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Delay Times\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHardware: 1ms (max) plus User-defined Filter\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnvironmental Protection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eConformal Coated (K-Suffix)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.20 kg (0.45 lbs)\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\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Harsh Environment Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe conformal coating shields internal circuitry from corrosive gases, humidity, and airborne particulates. This allows for stable operation in industries like wastewater treatment, chemical processing, and oil and gas where standard modules might suffer from premature trace corrosion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Density Rack Efficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy packing 32 points into a single ControlLogix slot, the 1756-IB32K significantly reduces the total number of chassis slots required for large I\/O counts. This minimizes the overall footprint of the control cabinet.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReal-Time Diagnostic Visibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe front-panel display provides immediate feedback on input states, communication health, and module hardware status. Maintenance teams identify faulty field devices or network issues instantly without connecting a laptop.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSinking Configuration Precision:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe current-sinking design allows the module to interface seamlessly with \"Sourcing\" field devices (PNP sensors). This standardized architecture simplifies wiring diagrams and ensures compatible signal levels across the DC bus.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of the \"K\" suffix in the 1756-IB32K part number?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \"K\" signifies that the module features conformal coating. This specialized thin-film insulation protects the electronic components from \"harsh\" environmental factors such as salt spray, moisture, and chemical vapors, extending the module's lifespan in non-climate-controlled areas.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich terminal blocks do I need for the 1756-IB32K?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDue to the 32-point density, this module requires a 36-pin Removable Terminal Block (RTB). You must use the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-TBNH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Housing) or\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-TBSH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Spring clamp) to ensure proper connection and leverage the high-density wiring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the 1756-IB32K to replace a standard 1756-IB32?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 1756-IB32K serves as a direct functional replacement for the non-coated 1756-IB32. It maintains identical electrical characteristics and programming logic while offering superior environmental resilience.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the module handle signal debounce?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module allows users to configure digital filter times via Studio 5000 software. By adjusting the \"On-to-Off\" and \"Off-to-On\" filter settings, you eliminate false triggers caused by contact bounce in mechanical limit switches or high-frequency electrical noise.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53410976366776,"sku":"1756-IB32K","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1756-IB32_6a6abd46-557a-4d3f-adb0-d3ee33b0bf9c.jpg?v=1777281240","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1756-ib32k-controllogix-32-point-conformal-coated-dc-input-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}