{"product_id":"1756-ib32-allen-bradley-controllogix-32-point-input-module","title":"1756-IB32 Allen-Bradley ControlLogix 32-Point Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e1756-IB32\u003c\/strong\u003e is an advanced 32-channel discrete DC input module engineered specifically for the Allen-Bradley ControlLogix automation ecosystem. Designed to optimize high-density industrial control architectures, this module captures sink-type digital inputs within a 10 to 31.2 VDC operating range. Industrial automation engineers rely on the \u003cstrong\u003e1756-IB32\u003c\/strong\u003e to deliver reliable signal processing, flexible electronic keying, and seamless backplane integration across complex manufacturing operations.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Allen-Bradley \/ Rockwell Automation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.plcsparehub.com\/collections\/allen-bradley-1756-controllogix\"\u003eControlLogix\u003c\/a\u003e Platform\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e \u003cstrong\u003e1756-IB32\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Digital DC Input Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Inputs:\u003c\/strong\u003e 32 input channels divided into two (2) groups of 16 points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Input Voltage:\u003c\/strong\u003e 24 VDC Sink\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage Range:\u003c\/strong\u003e 10 to 31.2 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Current:\u003c\/strong\u003e 5.5 mA maximum per point; Off-state current $\\le$ 1.5 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Current Draw:\u003c\/strong\u003e 100 mA at 5.1 VDC; 2 mA at 24 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e 6.2 Watts maximum at 60 °C (21.1 BTU\/hr thermal dissipation)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Response Delay:\u003c\/strong\u003e Off-to-On (380 µs max + filter time); On-to-Off (420 µs max + filter time)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Terminal Blocks:\u003c\/strong\u003e 1756-TBCH or 1756-TBS6H Removable Terminal Blocks (RTB)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; Integration Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Placement:\u003c\/strong\u003e Mount the \u003cstrong\u003e1756-IB32\u003c\/strong\u003e module into any single available slot across local ControlLogix chassis or distributed I\/O drop racks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Wiring:\u003c\/strong\u003e Terminate field signals securely using a 36-terminal Removable Terminal Block (such as the 1756-TBCH or 1756-TBS6H) to enable fast modular replacement without rewiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic Keying:\u003c\/strong\u003e Configure electronic keying parameters within Studio 5000 \/ Logix Designer to prevent physical module mismatch errors during maintenance cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Power Budget:\u003c\/strong\u003e Account for the module's 5.1 VDC (100 mA) and 24 VDC (2 mA) current draws when calculating total power supply capacity for your ControlLogix chassis.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommissioning \u0026amp; Maintenance Ease\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigurable Input Filters:\u003c\/strong\u003e Program custom filter settings (0 to 18 ms) directly from the CPU to eliminate erratic signal bouncing and prevent false line triggers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostic Monitoring:\u003c\/strong\u003e Utilize module status indicators and Logix controller diagnostics to track minor faults, major faults, and backplane health in real time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequest Packet Interval (RPI):\u003c\/strong\u003e Fine-tune network update frequencies via configurable RPI settings to balance data throughput and controller processing overhead.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eController Compatibility:\u003c\/strong\u003e Fully compatible with Allen-Bradley ControlLogix controllers and Plant PAx Distributed Control Systems (DCS).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNetwork Integration:\u003c\/strong\u003e Supports scheduled connections over ControlNet and EtherNet\/IP backplane communication architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Standards:\u003c\/strong\u003e Manufactured to meet rigorous Rockwell Automation quality standards for harsh industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePacking List \u0026amp; Warranty Terms\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePacking List:\u003c\/strong\u003e One (1) \u003cstrong\u003e1756-IB32\u003c\/strong\u003e Digital Input Module, protective anti-static casing, and hardware documentation sheet (RTB sold separately or bundled per order configuration).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Terms:\u003c\/strong\u003e Fully backed by a comprehensive 12-month warranty covering structural integrity and operational performance from the date of purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping \u0026amp; Logistics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCourier Network:\u003c\/strong\u003e Secure, expedited global shipping handled through trusted carriers including FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFulfillment Window:\u003c\/strong\u003e Orders are verified, securely packed, and dispatched within 24-48 hours to minimize unexpected plant downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Application Scenes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive Manufacturing:\u003c\/strong\u003e Monitoring high-density discrete feedback signals from proximity switches, push-button stations, and photo-eyes on assembly lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess Control Plants:\u003c\/strong\u003e Interfacing with field sensor arrays within Plant PAx DCS environments for continuous chemical and material processing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging \u0026amp; Conveyor Systems:\u003c\/strong\u003e Capturing fast digital state transitions from sorting gates and safety interlock switches on high-speed transport lines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal PLC Spare HUB Insight \u0026amp; Field Experience\u003c\/h3\u003e\n\u003cp\u003eWhen implementing high-density modules like the \u003cstrong\u003e1756-IB32\u003c\/strong\u003e in electrically noisy environments, field engineers frequently encounter erratic sensor triggers caused by electromagnetic interference. Based on field installation experience, our engineering team recommends enabling the module's software input filtering (setting filters to 2 ms or higher) and ensuring proper DIN rail and panel ground bonding to eliminate false positive states and maintain stable data collection.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the configurable input filter times on the 1756-IB32?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInput filter times allow engineers to suppress electrical noise and contact bounce by delaying the module's reaction to state changes, preventing false triggers in industrial environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 1756-IB32 be replaced without disconnecting field wiring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, thanks to the Removable Terminal Block (RTB) design (such as the 1756-TBCH), the module can be swapped out mechanically without disturbing external field wiring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow are input channels grouped on this 32-point module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 32 input channels are divided into two (2) independent groups of 16 points each, allowing for structured wiring and isolation management.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat software environment is required to configure module parameters?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module is configured using Rockwell Automation's Studio 5000 Logix Designer software, where you can set RPI, electronic keying, and filter parameters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat key buying factors should I evaluate when replacing a ControlLogix input card?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAlways verify your rack's available slot capacity, backplane power supply loading limits, operating voltage range (10-31.2 VDC), and terminal block compatibility before ordering.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45013898428598,"sku":"1756-IB32","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1756-IB32.jpg?v=1786521760","url":"https:\/\/www.plcsparehub.com\/products\/1756-ib32-allen-bradley-controllogix-32-point-input-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}