{"product_id":"allen-bradley-1769-ia8i-digital-ac-input-module","title":"Allen-Bradley 1769-IA8I Digital AC Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1769-IA8I\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1769-IA8I\u003c\/strong\u003e Digital Input Module, operates as a dedicated hardware component for isolated 120 VAC discrete signal processing within Allen-Bradley CompactLogix platforms.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1769\u003c\/strong\u003e: Compact I\/O hardware platform designation for CompactLogix and MicroLogix 1500 system compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIA8\u003c\/strong\u003e: 8-channel 120 VAC discrete input functional designation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\u003c\/strong\u003e: Channel-to-channel individually isolated hardware configuration code.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\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\u003e1769-IA8I\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\u003e1.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 1769 Compact I\/O single-slot width\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\u003e100 mA at 5.1 VDC (backplane bus load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e79 to 132 VAC (47 to 63 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e8 individually isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e265 VAC continuous channel-to-channel and channel-to-bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eCompactLogix 1769 controller sub-racks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication and Deterministic I\/O\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1769-IA8I module utilizes high-speed backplane bus communication velocity to pass discrete input status directly to CompactLogix controllers. Designed for EtherNet\/IP deterministic networks, the module provides individual channel-to-channel galvanic isolation to eliminate crosstalk and common-mode noise across industrial AC input circuits. Configurable I\/O density scaling and firmware flash compatibility enable seamless module integration, fault diagnostics, and deterministic cyclic data transfer in Studio 5000 environment configurations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the maximum allowable distance rating for mounting the 1769-IA8I relative to the CompactLogix power supply?\u003c\/p\u003e\n\u003cp\u003eA: The module has a power supply distance rating of 5, meaning it must be installed within 5 module slots of a 1769 Compact I\/O power supply module.\u003c\/p\u003e\n\u003cp\u003eQ: How does channel-to-channel isolation benefit field wiring on the 1769-IA8I?\u003c\/p\u003e\n\u003cp\u003eA: Individual channel-to-channel isolation allows each input channel to receive signals from separate AC power sources or different phases without cross-channel electrical interference.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eIsolate all main AC power sources and backplane power before inserting or removing the 1769-IA8I module from the DIN rail assembly.\u003c\/li\u003e\n\u003cli\u003eVerify that the module is positioned within 5 slots of the system power supply to comply with backplane bus distance rating rules.\u003c\/li\u003e\n\u003cli\u003eWire individual 120 VAC input signals to the removable terminal block (RTB), ensuring correct terminal torque specification.\u003c\/li\u003e\n\u003cli\u003eSeparate low-voltage DC communication cables from 120 VAC field signal wiring within panel wire raceways.\u003c\/li\u003e\n\u003cli\u003eLock adjacent module DIN rail latches securely to maintain continuous backplane bus pin alignment and chassis grounding.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52637825171736,"sku":"1769-IA8I","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/1769-IA8I_20_Cocoai.jpg?v=1788920524","url":"https:\/\/www.innoplcsync.com\/products\/allen-bradley-1769-ia8i-digital-ac-input-module","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}