{"product_id":"allen-bradley-1756-ib16i-controllogix-digital-input-module","title":"Allen-Bradley 1756-IB16I ControlLogix Digital Input Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IB16I\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-isolation DC digital input module designed for ControlLogix systems. Developed by\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley\u003c\/strong\u003e, this module provides 16 independently isolated input channels, ensuring reliable signal acquisition in electrically noisy industrial environments.\u003c\/p\u003e\n\u003cp\u003eEach input channel operates within a 10–30V DC range and is electrically isolated from other channels as well as the backplane. This architecture significantly reduces the risk of signal interference and ground loop issues, making the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IB16I\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esuitable for critical monitoring applications.\u003c\/p\u003e\n\u003cp\u003eThe module supports flexible input filtering and fast response times, allowing it to adapt to both high-speed and noise-prone signal conditions.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Functional Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e16 individually isolated DC input channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWide input voltage range suitable for 24V DC systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndependent channel isolation to minimize electrical interference\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfigurable input filter times for noise suppression\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFast signal response with low latency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with multiple removable terminal block options\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1756-IB16I\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDC Digital Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e16 (individually isolated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10–30 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eSink\/Source compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eON-State Current\u003c\/td\u003e\n\u003ctd\u003e2 mA @ 10 V DC (min), 10 mA @ 30 V DC (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOFF-State Current\u003c\/td\u003e\n\u003ctd\u003eMax. 1.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Delay (ON)\u003c\/td\u003e\n\u003ctd\u003e≤ 1 ms + selectable filter (0, 1, 2 ms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Delay (OFF)\u003c\/td\u003e\n\u003ctd\u003e≤ 4 ms + selectable filter (0, 1, 2, 9, 18 ms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Filtering\u003c\/td\u003e\n\u003ctd\u003eUser-configurable per channel group\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Time\u003c\/td\u003e\n\u003ctd\u003e200 µs to 750 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e100 mA @ 5.1 V DC; 3 mA @ 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Power\u003c\/td\u003e\n\u003ctd\u003eApprox. 0.58 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003eMax. 5 W @ 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003eApprox. 17.05 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e250 V continuous (input-to-input and input-to-backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Blocks\u003c\/td\u003e\n\u003ctd\u003e1756-TBCH, 1756-TBS6H (compatible RTBs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eControlLogix chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eOpen-style (panel installation required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.4 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eApplication Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IB16I\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis commonly used in systems where input signal integrity is critical, such as process control, safety monitoring, and high-noise industrial environments. Typical applications include sensor feedback, limit switch monitoring, and status signal acquisition in large-scale automation systems.\u003c\/p\u003e\n\u003cp\u003eIts individually isolated channels make it especially suitable for installations where signals originate from different ground potentials or remote field devices.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of individual channel isolation?\u003c\/strong\u003e\u003cbr\u003eEach input is electrically separated, preventing faults or noise on one channel from affecting others, which improves system reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module accept both sinking and sourcing inputs?\u003c\/strong\u003e\u003cbr\u003eYes, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IB16I\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esupports both sink and source input configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat terminal blocks are required?\u003c\/strong\u003e\u003cbr\u003eIt is compatible with removable terminal blocks such as 1756-TBCH and 1756-TBS6H.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module suitable for high-speed inputs?\u003c\/strong\u003e\u003cbr\u003eYes, with a minimum update time of 200 µs and configurable filtering, it can handle relatively fast input signals.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43321020153946,"sku":"1756-IB16I","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-IB16I2.jpg?v=1778048738","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-ib16i-controllogix-digital-input-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}