{"product_id":"allen-bradley-1756-ib32-dc-input-module","title":"Allen-Bradley 1756-IB32 ControlLogix 32-Point 12\/24V DC Digital Input Module","description":"\u003cp\u003eThe Allen-Bradley 1756-IB32 is a high-density digital input module designed for the ControlLogix platform. Engineered for industrial automation environments, this module provides 32 sinking inputs, divided into two isolated groups of 16 points each. It is specifically designed to interface with 12\/24V DC field devices, such as limit switches, pushbuttons, and proximity sensors, offering reliable signal acquisition within a single chassis slot.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density Design:\u003c\/strong\u003e 32 discrete inputs per module, maximizing I\/O count in limited cabinet space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigurable Filtering:\u003c\/strong\u003e User-selectable input delays for both Off-to-On and On-to-Off transitions to optimize noise immunity and response speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Voltage Range:\u003c\/strong\u003e Operates effectively between 10V and 31.2V DC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Diagnostics:\u003c\/strong\u003e Supports Change-of-State (COS) detection and provides a module-fault word for comprehensive channel status monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Features:\u003c\/strong\u003e Includes reverse polarity protection and reinforced insulation between inputs and the backplane.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMaterial handling and conveyor control systems.\u003c\/li\u003e\n\u003cli\u003eAutomated production lines requiring rapid signal processing.\u003c\/li\u003e\n\u003cli\u003eCNC and metalworking machinery integration.\u003c\/li\u003e\n\u003cli\u003eFluid and flow control systems including pump and valve monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-IB32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003e32-Point Sinking (16 points\/group)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e10 to 31.2V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Power\u003c\/td\u003e\n\u003ctd\u003e0.66W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Power Dissipation\u003c\/td\u003e\n\u003ctd\u003e6.2W at 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e21.1 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Current\u003c\/td\u003e\n\u003ctd\u003e4.8 mA (at 10V) to 5.5 mA (at 31.2V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Voltage (Max)\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Current (Max)\u003c\/td\u003e\n\u003ctd\u003e2.27 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRTB Preparation:\u003c\/strong\u003e Utilize a 36-pin Removable Terminal Block (RTB), such as the 1756-TBCH, for field wiring. Wire the RTB before mounting it to the module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeying:\u003c\/strong\u003e Use the mechanical keying system on the RTB to prevent the insertion of an incorrect module type into the slot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e With the chassis power active, align the module with the top and bottom rails and slide it into the desired slot until the latch clicks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e No physical DIP switches are required. All module parameters are configured via RSLogix 5000 or Studio 5000 software.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandling:\u003c\/strong\u003e Observe standard ESD precautions when handling the module to prevent damage to internal circuitry.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary difference between the 1756-IB32 and 1756-IV32?\u003c\/h3\u003e\u003cp\u003eThe 1756-IB32 is a sinking input module, meaning it requires sourcing field devices. The 1756-IV32 is a sourcing input module, which requires sinking field devices.\u003c\/p\u003e\u003ch3\u003eHow do I diagnose input faults?\u003c\/h3\u003e\u003cp\u003eThe module provides a 32-bit fault status word accessible via the controller, allowing you to monitor individual channel states and communication integrity.\u003c\/p\u003e\u003ch3\u003eCan this module be used in a remote chassis?\u003c\/h3\u003e\u003cp\u003eYes, the 1756-IB32 is compatible with both local and remote ControlLogix chassis configurations when paired with the appropriate communication adapter.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51215761178876,"sku":"1756-IB32","price":93.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_58e718ae-15af-4318-afd2-11738dfef35a.jpg?v=1788306144","url":"https:\/\/www.electronicplc.com\/products\/allen-bradley-1756-ib32-dc-input-module","provider":"Electronic PLC","version":"1.0","type":"link"}