{"product_id":"rockwell-1756-ib32-10-31v-dc-high-density-input-module","title":"Rockwell 1756-IB32 10-31V DC High Density Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-IB32\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edelivers high-density discrete input capabilities for the ControlLogix platform. This module interfaces 32 separate 24V DC field devices—such as limit switches, proximity sensors, and push buttons—to a single chassis slot. We supply this product as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein factory-sealed packaging, backed by a 12-month factory warranty. It optimizes cabinet space by doubling the input capacity of standard 16-point modules while maintaining rugged industrial performance.\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\u003eDetails\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\u003eNumber of Inputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e32 (Sinking Inputs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Groups\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 Groups (16 Points per Group)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10–31.2 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Input Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC\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\u003eMaximum Power Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.2 W @ 60 °C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOn-State Current (Min)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.8 mA @ 10 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOff-State Voltage (Max)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSignal Delay (Typical)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3 ms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250V Continuous (Channel-to-Backplane)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRemovable Terminal Block\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-TBCH or 1756-TBS6H (36-Pin)\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\u003eMaximize Chassis Utilization:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 32-point high-density architecture allows engineers to scale their systems without purchasing additional chassis or power supplies. This drastically reduces the total footprint of the ControlLogix system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnhanced Signal Integrity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module features 250V continuous isolation between the field-side inputs and the backplane logic. This reinforced barrier prevents ground loops and protects sensitive CPU components from field-side electrical surges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Grouping:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1756-IB32 organizes inputs into two isolated groups of 16. This enables the use of multiple power sources or distinct safety circuits within a single module, simplifying field wiring layouts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Efficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDespite its high density, the module maintains a manageable thermal profile (21.1 BTU\/hr). It operates reliably at temperatures up to 60 °C (140 °F) without requiring specialized cooling, provided standard spacing guidelines are followed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich Removable Terminal Block (RTB) does the 1756-IB32 require?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1756-IB32 utilizes a 36-pin RTB. You must use either the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-TBCH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Cage clamp) or the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-TBS6H\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Spring clamp). Note that the RTB is sold separately from the module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module support \"Sinking\" or \"Sourcing\" field devices?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1756-IB32 is a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSinking\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einput module. This means the module provides the path to ground (common) for the current flowing from your sourcing field devices (PNP sensors).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I handle the high-density wiring to avoid crosstalk?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend using shielded twisted-pair cabling for high-speed or sensitive signals. Ensure that you dress the 36 wires neatly within the RTB housing to prevent mechanical strain on the connector pins and to maintain clear separation between the two 16-point groups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace a 1756-IB16 with a 1756-IB32 to save space?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, but you must update the I\/O configuration in your Studio 5000 \/ RSLogix 5000 software. Furthermore, since the 1756-IB32 uses a 36-pin connector while the IB16 uses a 20-pin connector, you will need to rewire the signals to the correct 36-pin RTB.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":43359130353754,"sku":"1756-IB32","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/423._6976832e-3c30-4267-b3e3-79578cfaae9a.jpg?v=1778634432","url":"https:\/\/www.spareoil.com\/products\/rockwell-1756-ib32-10-31v-dc-high-density-input-module","provider":"SpareOil Automation","version":"1.0","type":"link"}