{"product_id":"allen-bradley-1746-ib32-slc-500-digital-dc-input-module","title":"Allen-Bradley 1746-IB32 SLC 500 Digital DC Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1746-IB32 is a high-density current sinking DC input module designed specifically for the Allen-Bradley SLC 500 programmable logic controller platform. Ideal for applications where panel space is at a premium, this compact module provides a reliable interface for discrete 24V DC field signals while helping to optimize system footprint and overall cabinet wiring efficiency.\u003c\/p\u003e\n\u003cp\u003eEngineered for industrial automation environments, the 1746-IB32 features multiple point commons to facilitate flexible wiring configurations. When integrated into an SLC 500 chassis, it delivers fast, dependable signal processing with robust optical isolation between the field side and the backplane, helping to protect sensitive control hardware from electrical transients.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-density design featuring 32 discrete DC input points in a single modular slot\u003c\/li\u003e\n  \u003cli\u003eCurrent sinking (Type B) input configuration compatible with various 24V DC sensors and switches\u003c\/li\u003e\n  \u003cli\u003eSix isolated common terminals organized across the input points for flexible circuit grouping\u003c\/li\u003e\n  \u003cli\u003eNominal input voltage of 24V DC with an operating range suitable for standard industrial power supplies\u003c\/li\u003e\n  \u003cli\u003eLow backplane power consumption drawing 50 mA from the 5V rail and 0 mA from the 24V rail\u003c\/li\u003e\n  \u003cli\u003eFast signal on and off delay times of 3 ms maximum for responsive machine and process control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDiscrete manufacturing and assembly line control\u003c\/li\u003e\n  \u003cli\u003ePackaging and material handling systems\u003c\/li\u003e\n  \u003cli\u003eMachine tool automation and robotic cell integration\u003c\/li\u003e\n  \u003cli\u003eProcess skids requiring high-density digital monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eParameter\u003c\/th\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eManufacturer\u003c\/td\u003e\n      \u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct Series\u003c\/td\u003e\n      \u003ctd\u003eSLC 500 (1746)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCatalog Number \/ Model\u003c\/td\u003e\n      \u003ctd\u003e1746-IB32\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModule Type\u003c\/td\u003e\n      \u003ctd\u003eDigital DC Input Module\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n      \u003ctd\u003e32 inputs (current sinking)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVoltage Category\u003c\/td\u003e\n      \u003ctd\u003e24V DC sink\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n      \u003ctd\u003e10 to 30V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNominal Input Current\u003c\/td\u003e\n      \u003ctd\u003e5.1 mA at 24V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSignal On \/ Off Delay\u003c\/td\u003e\n      \u003ctd\u003e3 ms maximum\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBackplane Current Consumption\u003c\/td\u003e\n      \u003ctd\u003e50 mA at 5V DC; 0 mA at 24V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n      \u003ctd\u003eTested at 500V AC for 1 minute between field side and backplane\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCountry of Origin\u003c\/td\u003e\n      \u003ctd\u003eUnited States\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cp\u003eEnsure all power to the SLC 500 chassis is turned off before inserting or removing the 1746-IB32 module to prevent electrical shock or hardware damage. Secure the module firmly into the designated chassis slot using the top and bottom retaining latches. Connect field wiring to the removable terminal block, taking care to use appropriate surge suppression across inductive loads such as relays or solenoids connected in parallel with module inputs.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":53770299081067,"sku":"1746-IB32","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/1746-IB32_1200x1200_9ddea261-4e12-4866-9362-a30dbdf15c26.jpg?v=1787740595","url":"https:\/\/www.plcprotech.com\/products\/allen-bradley-1746-ib32-slc-500-digital-dc-input-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}