{"product_id":"allen-bradley-1756-ib32-b-high-density-dc-input-module","title":"Allen-Bradley 1756-IB32\/B ControlLogix 32-Point DC Input Module","description":"\u003cp\u003eThe Allen-Bradley 1756-IB32\/B is a high-density digital DC input module from the ControlLogix series, specifically a Series B hardware revision. Engineered for demanding industrial environments, this module provides 32 sinking-type inputs, allowing for the connection of a wide array of field devices including proximity sensors, limit switches, and pushbuttons within a single-slot footprint. It facilitates efficient communication between field instrumentation and the ControlLogix PAC backplane, ensuring reliable data acquisition for complex automation sequences.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density Architecture:\u003c\/strong\u003e Manages 32 discrete 24V DC inputs in a single chassis slot to optimize space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSinking Input Configuration:\u003c\/strong\u003e Requires field devices to source positive voltage to the module terminal for input activation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroup Isolation:\u003c\/strong\u003e Channels are organized into two electrically isolated groups of 16, enhancing system fault tolerance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Signal Conditioning:\u003c\/strong\u003e Integrated optocouplers provide electrical isolation between field wiring and internal controller circuitry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Compatibility:\u003c\/strong\u003e Designed for use with standard 1756-TBCH or 1756-TBS6H removable terminal blocks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is widely utilized in large-scale manufacturing, process control, and material handling systems where high-density digital I\/O is required. Typical deployments include monitoring status signals from machine safety interlocks, conveyor sensors, and various discrete field-side input devices integrated into a ControlLogix rack.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-IB32\/B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Points\u003c\/td\u003e\n\u003ctd\u003e32 (2 groups of 16)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Category\u003c\/td\u003e\n\u003ctd\u003e12\/24V DC Sink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Range\u003c\/td\u003e\n\u003ctd\u003e10 to 31.2V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Current\u003c\/td\u003e\n\u003ctd\u003e4.8 mA to 5.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Power\u003c\/td\u003e\n\u003ctd\u003e120 mA @ 5.1V DC \/ 2 mA @ 24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e6.2 Watts (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.23 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Status:\u003c\/strong\u003e Always disconnect chassis power before installing or removing the module to prevent electrical arcing or damage to backplane pins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Blocks:\u003c\/strong\u003e Ensure the compatible 1756-TBCH or 1756-TBSH terminal block is fully seated and secured with the locking latch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Use shielded cabling for field inputs to minimize EMI; route signal wires separately from high-voltage power lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Ensure the ControlLogix chassis is properly bonded to a low-impedance earth ground to maintain signal integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic Keying:\u003c\/strong\u003e Utilize the Studio 5000 \/ RSLogix 5000 software to configure electronic keying, ensuring the module matches the project definition for safety and operational consistency.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs this module compatible with Series A systems?\u003c\/strong\u003e\u003cbr\u003eThe 1756-IB32\/B is a Series B revision. While it is generally backward compatible with ControlLogix backplanes, always verify your specific project configuration in Studio 5000 to ensure the electronic keying settings match the hardware revision.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat terminal blocks are required for this module?\u003c\/strong\u003e\u003cbr\u003eThis module requires a 36-pin removable terminal block (RTB). Compatible models include the 1756-TBCH (cage clamp) or 1756-TBS6H\/1756-TBSH (spring clamp).\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":44728161763416,"sku":"1756-IB32\/B","price":92.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/wm_1_0b900840-8587-447e-b9a5-f9d47cb53e64.jpg?v=1788587522","url":"https:\/\/www.industriaxplc.com\/ar\/products\/allen-bradley-1756-ib32-b-high-density-dc-input-module","provider":"IndustriaX Limited","version":"1.0","type":"link"}