{"product_id":"allen-bradley-1756-ib16i-controllogix-isolated-discrete-dc-input-module","title":"Allen-Bradley 1756-IB16I ControlLogix Isolated Discrete DC Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1756-IB16I is a 16-point isolated discrete DC input module designed for the ControlLogix platform. This single-slot module interfaces with binary sensors such as pushbuttons, limit switches, and auxiliary contacts, routing real-world field signals directly to the controller backplane. Engineered for high-noise industrial environments, the module features channel-to-channel optical isolation, protecting internal controller components from transient voltage spikes and ground loops originating in heavy-duty sensor networks.\u003c\/p\u003e\n\u003cp\u003eInstalled directly into any slot of a ControlLogix chassis except the primary controller slot, the 1756-IB16I supports deployment in local, distributed, and remote I\/O architectures. Field wiring terminates via a compatible Removable Terminal Block (RTB), allowing technicians to disconnect and replace the module chassis-side without disturbing external sensor connections. Configurable input filter times enable users to fine-tune noise rejection and response latency based on specific application demands.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e16 individually isolated input channels operating on a nominal 24VDC source\u003c\/li\u003e\n  \u003cli\u003eUser-selectable input filter times for balancing noise rejection and signal response speed\u003c\/li\u003e\n  \u003cli\u003eRemovable Terminal Block (RTB) interface supporting screw-clamp or spring-clamp connections\u003c\/li\u003e\n  \u003cli\u003eBackplane power consumption of 100mA at 5.1VDC and 3mA at 24VDC\u003c\/li\u003e\n  \u003cli\u003eStatus indicators providing visual verification of individual channel states and module health\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eInterfacing discrete field devices such as limit switches, photoelectric sensors, and pushbuttons\u003c\/li\u003e\n  \u003cli\u003eMonitoring safety circuit auxiliary contacts and machine interlocks in automated assembly lines\u003c\/li\u003e\n  \u003cli\u003eAcquiring binary status signals from motor starters, contactors, and pneumatic solenoid valves\u003c\/li\u003e\n  \u003cli\u003eProviding isolated digital telemetry inputs in distributed ControlLogix remote rack architectures\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\u003eBrand\u003c\/td\u003e\n      \u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModule Type\u003c\/td\u003e\n      \u003ctd\u003eIsolated Discrete DC Input Module\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct Family\u003c\/td\u003e\n      \u003ctd\u003eControlLogix (1756)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInputs per Module\u003c\/td\u003e\n      \u003ctd\u003e16 isolated\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVoltage Category\u003c\/td\u003e\n      \u003ctd\u003e24VDC Sink\/Source\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n      \u003ctd\u003e10 to 30VDC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n      \u003ctd\u003e24VDC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOff-State Voltage\u003c\/td\u003e\n      \u003ctd\u003e5VDC max\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOff-State Current\u003c\/td\u003e\n      \u003ctd\u003e1.5mA max\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOn-State Current\u003c\/td\u003e\n      \u003ctd\u003e2mA min at 10VDC \/ 10mA max at 30VDC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBackplane Current Draw\u003c\/td\u003e\n      \u003ctd\u003e100mA at 5.1VDC; 3mA at 24VDC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eTotal Backplane Power\u003c\/td\u003e\n      \u003ctd\u003e0.58W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePower Dissipation\u003c\/td\u003e\n      \u003ctd\u003e5.0W max at 60 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n      \u003ctd\u003e17.05 BTU\/hr\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSlot Width\u003c\/td\u003e\n      \u003ctd\u003e1 single slot\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eWire Size\u003c\/td\u003e\n      \u003ctd\u003e0.33 to 2.1 mm2 (22 to 14 AWG) solid or stranded\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n      \u003ctd\u003e250V reinforced insulation (continuous), tested at 1350V AC for 2s\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    \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\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUL Listed Industrial Control Equipment\u003c\/li\u003e\n  \u003cli\u003eCE Compliant for European Union Directives\u003c\/li\u003e\n  \u003cli\u003eCSA Certified for Canadian Standards\u003c\/li\u003e\n  \u003cli\u003eC-Tick compliant for Australian market\u003c\/li\u003e\n  \u003cli\u003eHazardous Location Approval: Class I, Division 2, Groups A, B, C, D\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":53770297803115,"sku":"1756-IB16I","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/1756-IB16I_1200x1200_9f98c979-9dfc-4de2-8db4-bb6e713df87d.jpg?v=1787740553","url":"https:\/\/www.plcprotech.com\/products\/allen-bradley-1756-ib16i-controllogix-isolated-discrete-dc-input-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}