{"product_id":"allen-bradley-1746-ib16-24v-dc-input","title":"Allen-Bradley 1746-IB16 SLC 500 16-Point 24V DC Digital Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1746-IB16 is a high-density discrete input module engineered for the SLC 500 programmable controller platform. It provides sixteen (16) current-sinking input channels, operating at a nominal 24V DC. This module is designed to interface a wide range of field devices, including proximity sensors, limit switches, and photoelectric sensors, into a single-slot footprint within an SLC 500 chassis.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSixteen (16) current-sinking input channels for high-density I\/O configurations.\u003c\/li\u003e\n\u003cli\u003eNominal operating voltage of 24V DC with an operating range of 10–30V DC.\u003c\/li\u003e\n\u003cli\u003eLow power consumption, drawing only 50 mA from the 5V DC backplane.\u003c\/li\u003e\n\u003cli\u003eIntegrated input filtering with an 8 ms signal delay for both ON and OFF transitions to mitigate electrical noise and contact bounce.\u003c\/li\u003e\n\u003cli\u003eIncludes a removable terminal block for simplified wiring and maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThe 1746-IB16 is widely used in industrial automation environments requiring high-density digital input monitoring. Typical applications include machine control, process monitoring, and assembly line automation where multiple DC-powered sensors must be integrated into a single SLC 500 rack.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eSLC 500\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\u003e16 (Current Sinking)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Category\u003c\/td\u003e\n\u003ctd\u003e24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10–30V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Delay (ON\/OFF)\u003c\/td\u003e\n\u003ctd\u003e8 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5V DC)\u003c\/td\u003e\n\u003ctd\u003e0.05 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Heat Dissipation\u003c\/td\u003e\n\u003ctd\u003e3.6 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC (32 to 140 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the SLC 500 chassis power is disconnected before installing or removing the module.\u003c\/li\u003e\n\u003cli\u003eAlign the module with the chassis guide rails and seat it firmly into the backplane connector.\u003c\/li\u003e\n\u003cli\u003eSecure the module using the top and bottom retaining screws to ensure proper grounding and mechanical stability.\u003c\/li\u003e\n\u003cli\u003eUse shielded cabling for input signals to minimize EMI, especially in high-noise industrial environments.\u003c\/li\u003e\n\u003cli\u003eEnsure that the input voltage does not exceed the 10–30V DC range to prevent damage to the input circuitry.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate ventilation around the chassis to ensure heat dissipation remains within specified limits.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the input type for the 1746-IB16?\u003c\/h3\u003e\u003cp\u003eThe 1746-IB16 is a current-sinking input module, meaning it requires the field device to switch the positive voltage to the input terminal.\u003c\/p\u003e\u003ch3\u003eDoes this module include the terminal block?\u003c\/h3\u003e\u003cp\u003eYes, the 1746-IB16 comes with a removable terminal block to facilitate easier field wiring and module replacement.\u003c\/p\u003e\u003ch3\u003eWhat is the signal delay for this module?\u003c\/h3\u003e\u003cp\u003eThe module features a hardware-based signal delay of 8 ms for both ON and OFF transitions to help filter out mechanical switch chatter and electrical noise.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50730778329340,"sku":"1746-IB16","price":92.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_3ffd66ad-d418-45f5-8a94-15ceb88a8106.jpg?v=1785225806","url":"https:\/\/www.electronicplc.com\/ar\/products\/allen-bradley-1746-ib16-24v-dc-input","provider":"Electronic PLC","version":"1.0","type":"link"}