{"product_id":"allen-bradley-1756-ia32-controllogix-32-point-120v-ac-digital-input-module","title":"Allen Bradley 1756-IA32 ControlLogix 32-Point 120V AC Digital Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1756-IA32\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-density digital input interface for the ControlLogix platform. This module interfaces 32 individual 120V AC field-side signals directly to the controller backplane, converting high-voltage plant floor data into actionable logic states. We offer this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Factory Original\u003c\/strong\u003e, ensuring the highest level of system integrity for your mission-critical automation tasks.\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\u003eNumber of Inputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e32 (Individual Points)\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\u003e120V AC\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\u003e74V to 132V AC\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\u003e165 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\u003eMax Power Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.1 W @ 60 °C (140 °F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eThermal Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20.8 BTU\/hr\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOff-State Max Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.5 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRequired Terminal Block\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-TBCH or 1756-TBSH\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Keying\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eElectronic\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 Rack Utilization:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 32-point high-density design allows engineers to double the input capacity in a single slot compared to standard 16-point modules. This reduces the overall footprint of the ControlLogix chassis and lowers hardware costs per I\/O point.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnhanced Signal Integrity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated hardware filters mitigate the effects of contact bounce and electrical noise inherent in AC circuits. You can program additional digital filter times (9ms or 18ms) to tailor the response for specific switchgear or sensor types.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Maintenance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupport for Removable Terminal Blocks (RTB) allows technicians to replace the module without disconnecting field wiring. This \"hot-swappable\" capability significantly reduces Mean Time to Repair (MTTR) during critical failures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Efficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAdvanced internal circuitry manages a maximum power dissipation of only 6.1W at peak load. This efficient thermal profile prevents localized hotspots within the enclosure, even when installing multiple high-density cards side-by-side.\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\u003eWhich Removable Terminal Block (RTB) should I use with the 1756-IA32?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis module requires a 36-pin RTB due to the high density of the wiring. You should use the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-TBCH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Cage Clamp) or\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-TBSH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Spring Clamp) depending on your preference for wire termination. Note that RTBs are sold separately from the module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module support \"Change of State\" (COS) detection?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 1756-IA32 supports Change of State (COS) and cyclic updates. This feature allows the module to notify the controller immediately when an input transitions, rather than waiting for the next RPI (Requested Packet Interval) scan, optimizing system response time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix different AC phases across the inputs of a single module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1756-IA32 groups inputs into specific circuits. Always consult the wiring diagram to ensure proper common-side isolation. Mixing different phases on the same common group can cause significant electrical damage and safety hazards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this unit compatible with older ControlLogix processors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis module works with all standard ControlLogix controllers. However, ensure your Studio 5000 or RSLogix 5000 software includes the correct AOP (Add-On Profile) to recognize the 32-point configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53446753583288,"sku":"1756-IA32","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1756-IA32.png?v=1778226854","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1756-ia32-controllogix-32-point-120v-ac-digital-input-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}