{"product_id":"1769-ia8i-allen-bradley-8-path-isolated-ac-input-module-for-i-o","title":"1769-IA8I Allen-Bradley 8-path isolated AC input module for I\/O","description":"\u003ch2\u003eAllen-Bradley 1769-IA8I Compact I\/O Digital Input Module\u003c\/h2\u003e\n\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 AC signal monitoring within CompactLogix and MicroLogix 1500 controller networks.\u003c\/p\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\u003e0.23 kg (0.51 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e118 mm x 35 mm x 87 mm\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\u003e0.45 W (90 mA @ 5 VDC bus current draw)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 individually isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Category\u003c\/td\u003e\n\u003ctd\u003e100\/120 VAC\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\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e47-63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Voltage (min)\u003c\/td\u003e\n\u003ctd\u003e79 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Current\u003c\/td\u003e\n\u003ctd\u003e5 mA @ 79 VAC (min), 12 mA @ 120 VAC (nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Voltage (max)\u003c\/td\u003e\n\u003ctd\u003e20 VAC\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\u003eSignal Delay\u003c\/td\u003e\n\u003ctd\u003e20 ms ON \/ 20 ms OFF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e1517 VAC for 1 s or 2145 VDC for 1 s (IEC Class II reinforced)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Impedance\u003c\/td\u003e\n\u003ctd\u003e12 kOhm @ 50 Hz, 10 kOhm @ 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Dissipation\u003c\/td\u003e\n\u003ctd\u003e1.81 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Distance Rating\u003c\/td\u003e\n\u003ctd\u003e8 modules maximum from power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Options\u003c\/td\u003e\n\u003ctd\u003eDIN-rail or panel mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eUL, CE, IECEx, ATEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control \u0026amp; Deterministic Network Features\u003c\/h3\u003e\n\u003cp\u003eThe module interfaces directly with the controller backplane, utilizing dedicated bus communication velocity mechanisms to transfer channel states within deterministic execution frames. The eight input channels feature complete electrical segmentation via integrated optical isolation, minimizing cross-channel interference and preventing localized transient events from disrupting adjacent bus operations. Signal processing circuits apply fixed hardware input filtering to suppress high-frequency noise induced by surrounding field wiring. Firmware flash compatibility checks ensure synchronization with the controller operating system, preventing version mismatches during high-density I\/O scaling expansions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the maximum distance this module can be installed from the system power supply?\u003c\/p\u003e\n\u003cp\u003eA: The module has a power supply distance rating of 8. It must be located within 8 slots of an applicable Compact I\/O power supply to maintain proper backplane voltage regulation.\u003c\/p\u003e\n\u003cp\u003eQ: Can channels on the same module be connected to different AC phases?\u003c\/p\u003e\n\u003cp\u003eA: Yes. Because all 8 channels are individually isolated with a reinforced isolation rating of 1517 VAC for 1 second, distinct channels can monitor signals from separate AC phases without risk of phase-to-phase shorts.\u003c\/p\u003e\n\u003cp\u003eQ: Is hot-swapping supported for this module during controller runtime?\u003c\/p\u003e\n\u003cp\u003eA: No. Compact I\/O modules do not support Removal and Insertion Under Power (RIUP). Power to the controller backplane and all field-side power must be completely disconnected before removing or inserting the hardware component.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Setup\u003c\/strong\u003e: Secure the module onto an EN 50022 compliant 35 mm x 7.5 mm DIN-rail or attach it directly to a rigid interior panel via the integrated mounting holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBus Connection\u003c\/strong\u003e: Slide the module firmly into the adjacent slot until the integrated 1769 bus connectors mesh securely. Lock the bus latches to maintain mechanical rigidity and ensure continuous electrical continuity across the backplane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Configurations\u003c\/strong\u003e: Route field wiring away from high-voltage motor conductors or variable frequency drive cables. Maintain physical separation between the low-voltage backplane bus links and the high-voltage 120 VAC input conduits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding Requirements\u003c\/strong\u003e: Ensure the DIN-rail or sub-panel is bonded directly to the functional earth ground of the enclosure via a low-impedance copper strap to mitigate ambient electromagnetic noise.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":44427620122723,"sku":"1769-IA8I","price":310.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/241._ee5f2d7d-99ae-49bb-b880-189c0de1de70.jpg?v=1785483969","url":"https:\/\/www.autocontrolglobal.com\/products\/1769-ia8i-allen-bradley-8-path-isolated-ac-input-module-for-i-o","provider":"AutoControl Global","version":"1.0","type":"link"}