{"product_id":"1756-im16i-allen-bradley-controllogix-isolated-digital-input-module","title":"1756-IM16I Allen-Bradley ControlLogix Isolated Digital Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-IM16I\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1756IM16I\u003c\/strong\u003e Isolated Digital Input Module, operates as a dedicated hardware component for high-voltage AC discrete signal acquisition within ControlLogix system chassis. It converts 240 VAC field signals into backplane-compatible logic levels across 16 point-to-point isolated channels.\u003c\/p\u003e\n\u003ch3\u003eChannel Nomenclature \u0026amp; Structural Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1756\u003c\/strong\u003e: Chassis-based ControlLogix programmable automation controller I\/O system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIM\u003c\/strong\u003e: High-voltage AC digital input module rating designed for 240 VAC nominal level execution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16\u003c\/strong\u003e: 16 discrete input points with independent power routing flexibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\u003c\/strong\u003e: Individually isolated channel topology for distinct phase or circuit isolation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Parameters \u0026amp; Electrical Ratings\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-IM16I\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.26 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e3.5 x 14.2 x 14.6 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003e16 Individually Isolated Inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e159-265 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Delay Time\u003c\/td\u003e\n\u003ctd\u003eProgrammable 9 or 18 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Current (Max)\u003c\/td\u003e\n\u003ctd\u003e2.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin Operating Current\u003c\/td\u003e\n\u003ctd\u003e5 mA at 159 VAC, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Operating Current\u003c\/td\u003e\n\u003ctd\u003e13 mA at 265 VAC, 60 Hz\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\u003ctr\u003e\n\u003ctd\u003ePlace of Shipment\u003c\/td\u003e\n\u003ctd\u003eXiamen, China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Connectivity \u0026amp; Deterministic Communications\u003c\/h3\u003e\n\u003cp\u003eThe module leverages backplane bus communication velocity to stream discrete status bits directly to the primary controller. Fully compatible with EtherNet\/IP deterministic networks, it transmits cyclic I\/O data and diagnostic flags without degrading system throughput. Enhanced I\/O density scaling allows 16 channel-to-channel isolated AC inputs within a standard single-slot chassis footprint, supported by firmware flash compatibility for direct integration into Studio 5000 Logix Designer tasks.\u003c\/p\u003e\n\u003ch3\u003eOrder Fulfillment Package Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1756-IM16I module housed in anti-static protective wrap\u003c\/li\u003e\n\u003cli\u003e1 x Installation insert sheet detailing field wiring layouts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEnclosure Mounting \u0026amp; Wiring Protocol\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAlign module guide rails carefully with the chassis slot before pushing firmly to seat backplane connectors.\u003c\/li\u003e\n\u003cli\u003eMaintain minimum 50 mm clearance above and below the chassis assembly to preserve passive airflow.\u003c\/li\u003e\n\u003cli\u003eKeep 240 VAC high-voltage AC field signal cabling physically separated from low-voltage DC communication bus lines.\u003c\/li\u003e\n\u003cli\u003eSecure field wiring to compatible Removable Terminal Blocks (RTB) using appropriate wire gauge and torque limits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Hardware Reference FAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the input delay time for signal state transitions?\u003c\/p\u003e\n\u003cp\u003eThe module provides hardware filtering delay settings selectable at 9 ms or 18 ms to accommodate field contact debouncing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan different AC phases be wired across separate channels?\u003c\/p\u003e\n\u003cp\u003eYes, because all 16 channels feature individual channel-to-channel isolation, distinct AC phases or power sources can be wired.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs Removal and Insertion Under Power (RIUP) supported for this card?\u003c\/p\u003e\n\u003cp\u003eYes, the module supports RIUP under system power, provided field wiring circuits are safely de-energized prior to disconnect.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat threshold defines the off-state current limit?\u003c\/p\u003e\n\u003cp\u003eAn input channel remains in the off-state as long as field leakage current stays at or below the maximum limit of 2.5 mA.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhich Removable Terminal Block (RTB) options fit this module?\u003c\/p\u003e\n\u003cp\u003eIt pairs with standard 36-pin ControlLogix terminal blocks such as the 1756-TBCH or 1756-TBS6H removable wiring assemblies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the module require external control logic configuration?\u003c\/p\u003e\n\u003cp\u003eYes, parameters such as input filter times and point-level diagnostic reporting are configured via the Studio 5000 I\/O tree.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does individual channel isolation protect system electronics?\u003c\/p\u003e\n\u003cp\u003eGalvanic barriers between input channels prevent voltage spikes or shorts on one field line from affecting adjacent channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat voltage range constitutes an active on-state signal?\u003c\/p\u003e\n\u003cp\u003eThe inputs recognize an active on-state signal when the field voltage is sustained within the range of 159 to 265 VAC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066415599789,"sku":"1756-IM16I","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/allen-bradley_1756-im16i_1.jpg?v=1787191193","url":"https:\/\/www.maxwellplc.com\/ru\/products\/1756-im16i-allen-bradley-controllogix-isolated-digital-input-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}