{"product_id":"allen-bradley-1756-ia16i-digital-ac-input-module-controllogix","title":"Allen-Bradley 1756-IA16I Digital AC Input Module ControlLogix","description":"\u003cp\u003eConfigured for discrete 120 VAC signal acquisition in ControlLogix chassis architectures, the \u003cstrong\u003eAllen-Bradley 1756-IA16I\u003c\/strong\u003e (\u003cstrong\u003e1756-IA16I\/A\u003c\/strong\u003e input module) provides direct physical execution by accepting high-voltage alternating current field inputs across individual channel circuitry.\u003c\/p\u003e\n\u003ch3\u003eCatalog Designation \u0026amp; Hardware Variant Matrix\u003c\/h3\u003e\n\u003cp\u003eThe base processing module is designated as \u003cstrong\u003e1756-IA16I\u003c\/strong\u003e. Hardware revision options include series release \u003cstrong\u003e1756-IA16I\/A\u003c\/strong\u003e, with complete physical interchangeability guaranteed across standard ControlLogix chassis assemblies. Commercial component cross-referencing maps this assembly to spare part designation \u003cstrong\u003e1756IA16I\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eMechanical \u0026amp; Electrical Performance Metrics\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-IA16I (Spare: 1756IA16I, 1756-IA16I\/A)\u003c\/td\u003e\n\u003c\/tr\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\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e0.35 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e23.3 x 18.2 x 5.3 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003e16 Individually Isolated Discrete Inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e120 VAC (47-63 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e79-132 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Operating Current\u003c\/td\u003e\n\u003ctd\u003e5 mA at 79 VAC, 47-63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Operating Current\u003c\/td\u003e\n\u003ctd\u003e15 mA at 132 VAC, 47-63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Input Current (Max)\u003c\/td\u003e\n\u003ctd\u003e2.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Hardware Delay\u003c\/td\u003e\n\u003ctd\u003eProgrammable 9 ms or 18 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e4.9 W max at 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5 VDC)\u003c\/td\u003e\n\u003ctd\u003e125 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (24 VDC)\u003c\/td\u003e\n\u003ctd\u003e2 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff Code\u003c\/td\u003e\n\u003ctd\u003e8537101190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Integration \u0026amp; High-Speed Determinism\u003c\/h3\u003e\n\u003cp\u003eThe module executes real-time data frame transfers across the ControlLogix local backplane bus structure, preserving high deterministic network velocity across local EtherNet\/IP topologies. Firmware flash compatibility checks ensure seamless I\/O density scaling and automated system configuration updates upon insertion into active chassis slots without disturbing adjacent module operations.\u003c\/p\u003e\n\u003ch3\u003ePackage Contents \u0026amp; Kit Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1756-IA16I ControlLogix 16-Point AC Input Module\u003c\/li\u003e\n\u003cli\u003e1 x Protective Static Shield Packaging Unit\u003c\/li\u003e\n\u003cli\u003e1 x Factory Component Inspection Certificate Sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChassis Mounting \u0026amp; Field Wiring Directives\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlot Alignment\u003c\/strong\u003e: Verify module electronic keying profile in software before insertion into the targeted ControlLogix chassis slot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable Terminal Block\u003c\/strong\u003e: Utilize approved 1756-TBNH or 1756-TBSH terminal block structures; verify mechanical latch engagement prior to powering field loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Clearance\u003c\/strong\u003e: Maintain individual channel isolation integrity by keeping 120 VAC power conductors physically separate from low-voltage DC communication cables.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding Requirements\u003c\/strong\u003e: Secure central chassis grounding conductors to central bus bars to mitigate high-frequency electrical noise interferences.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the backplane current draw requirement for the module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module draws 125 mA at 5 VDC and 2 mA at 24 VDC from the active chassis backplane assembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this unit support individual channel-to-channel isolation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, all 16 channels feature individual channel-to-channel isolation rated for high-voltage AC input field circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the configurable hardware delay times for incoming signals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSignal filtering hardware can be software programmed for input delay responses of either 9 ms or 18 ms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the module be inserted or removed while backplane power is applied?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module supports Removal and Insertion Under Power (RIUP) capability within standard industrial field operating guidelines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum off-state current limit for input recognition?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe channel input circuitry guarantees a recognized off-state provided the current remains below 2.5 mA.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat power dissipation values must be calculated for enclosure thermal management?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThermal calculations should account for a maximum power dissipation profile of 4.9 W at 60 deg C operational ambient limits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does electronic keying function during module replacement?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eElectronic keying prevents incorrect system startup by matching physical module profiles against firmware configurations loaded in the controller.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat operating frequency range is permitted on the AC input channels?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 120 VAC input channels operate across an line frequency range spanning 47 Hz to 63 Hz.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066413568173,"sku":"1756-IA16I","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1756-IA16I_1-0.jpg?v=1786351541","url":"https:\/\/www.maxwellplc.com\/ru\/products\/allen-bradley-1756-ia16i-digital-ac-input-module-controllogix","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}