{"product_id":"1769-ia16-allen-bradley-compactlogix-ac-input-module","title":"1769-IA16 Allen-Bradley CompactLogix AC Input Module","description":"\u003ch2\u003eAllen-Bradley 1769-IA16 CompactLogix AC Digital Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1769-IA16\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1769-IA16\u003c\/strong\u003e AC Digital Input Module, operates as a dedicated hardware component for 120 VAC discrete signal detection within CompactLogix control platforms.\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-IA16\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\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.34 kg (0.75 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e118 x 35 x 87 mm (H x W x D)\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\u003e115 mA Backplane Current at 5.1 VDC (3.3 W Max Dissipation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e16 Inputs (1 Group, Internally Connected Commons)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e79 to 132 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Frequency\u003c\/td\u003e\n\u003ctd\u003e47 to 63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current\u003c\/td\u003e\n\u003ctd\u003e10 to 12 mA at 120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Delay Time\u003c\/td\u003e\n\u003ctd\u003eON Delay: 20 ms \/ OFF Delay: 20 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Inrush Current\u003c\/td\u003e\n\u003ctd\u003e250 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Voltage \/ Current\u003c\/td\u003e\n\u003ctd\u003eMax 20 VAC \/ Max 2.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e12 kohms at 50 Hz, 10 kohms at 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Distance Rating\u003c\/td\u003e\n\u003ctd\u003e8 Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity \u0026amp; Determinism\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1769-IA16 processes incoming 120 VAC discrete signals through internal opto-isolators, converting field AC states into digital logic flags within a fixed 20 ms filter delay. The module consumes 115 mA at 5.1 VDC backplane current, transferring 16-point input status arrays directly to CompactLogix and MicroLogix 1500 processors across the local 1769 bus. Deterministic network execution and backplane bus communication velocity remain consistent across scaled expansion banks up to the maximum power supply distance rating of 8 modules, maintaining seamless firmware flash compatibility.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How do the internally connected commons affect field wiring for the 16 input channels?\u003c\/p\u003e\n\u003cp\u003eA: All 16 AC input channels share a common internal connection return, requiring all field input devices connected to the module to operate off the same AC voltage phase supply.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum distance the 1769-IA16 module can be installed relative to the system power supply?\u003c\/p\u003e\n\u003cp\u003eA: The module carries a power supply distance rating of 8, meaning it must be installed within 8 module slots of a system power supply, such as a 1769-PA2, 1769-PB2, 1769-PA4, or 1769-PB4, to ensure proper backplane power distribution.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eIsolate system backplane power and external AC field circuits before installing or servicing the input module. Mount the module onto a standard 35 mm DIN rail or panel surface, ensuring the backplane connector locks firmly into the adjacent slot or power supply housing. Connect field wiring to the screw terminals using 22 to 14 AWG solid or 22 to 16 AWG stranded copper wire rated for at least 90 deg C. Route high-voltage AC input conductors separate from low-voltage DC lines and communication buses to minimize electromagnetic noise coupling.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52902619709752,"sku":"1769-IA16","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/283.jpg?v=1788426257","url":"https:\/\/www.automodulexpert.com\/products\/1769-ia16-allen-bradley-compactlogix-ac-input-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}