{"product_id":"1791-16ac-industrial-automation-module-by-allen-bradley","title":"1791-16AC Industrial Automation Module by Allen-Bradley","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1791-16AC\u003c\/strong\u003e is a block I\/O module engineered for Remote I\/O architectures. It integrates a power supply, PLC interface, I\/O connections, and signal conditioning circuitry into one compact unit. With sixteen 120VAC input channels and sixteen 120VAC output channels, this module simplifies wiring and reduces panel space, making it a dependable choice for distributed control systems.\u003c\/p\u003e\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete I\/O solution:\u003c\/strong\u003e Combines input, output, and communication functions in a single block.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote I\/O adapter mode:\u003c\/strong\u003e Connects directly to a Remote I\/O scanner, enabling daisy-chain topology.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible mounting:\u003c\/strong\u003e Supports vertical or horizontal orientation to suit various enclosure layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust electrical isolation:\u003c\/strong\u003e 500VAC between power supply and RIO, 1250VAC between I\/O groups and logic.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eBlock I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003e1791 Block I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e1791-16AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e612598124749\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.00 lbs (0.91 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs per Block\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutputs per Block\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo. of Groups\u003c\/td\u003e\n\u003ctd\u003e2 groups of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e120VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput On-state Voltage Range\u003c\/td\u003e\n\u003ctd\u003e79 to 132 Volts AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput On-state Current\u003c\/td\u003e\n\u003ctd\u003e12.3 mA at 132 Volts maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Off-state Voltage\u003c\/td\u003e\n\u003ctd\u003e35 Volts maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Off-state Current\u003c\/td\u003e\n\u003ctd\u003e2.3 mA minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Current\u003c\/td\u003e\n\u003ctd\u003e11 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e20-132VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Power, Voltage\u003c\/td\u003e\n\u003ctd\u003e85-132VAC, 47-63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Power, Current\u003c\/td\u003e\n\u003ctd\u003e150 mA @ 132VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eVertical \/ Horizontal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation, maximum\u003c\/td\u003e\n\u003ctd\u003e31.3 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation, maximum\u003c\/td\u003e\n\u003ctd\u003e106.73 BTU\/Hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-state Voltage range\u003c\/td\u003e\n\u003ctd\u003e79-132VAC, 47-63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e120 Volts AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003e1791-16AC\u003c\/strong\u003e excels in material handling, packaging lines, and process control systems where distributed I\/O reduces wiring costs. For example, a conveyor system can use the 1791-16AC to collect limit switch and proximity sensor inputs while driving motor contactors and pilot lamps—all over a single Remote I\/O link. Its 120VAC compatibility makes it a direct replacement in existing plants without changing field devices.\u003c\/p\u003e\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\u003cp\u003eMount the 1791-16AC on a standard DIN rail or panel in either vertical or horizontal orientation. Vertical mounting improves airflow and allows higher output current ratings: 300 mA at 60°C and 600 mA at 30°C. Horizontal mounting reduces ratings to 150 mA at 60°C and 300 mA at 30°C. Verify that the external power supply delivers 85-132VAC at 47-63 Hz and that the total load current does not exceed the module’s capacity per group.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003ePeriodically inspect the 1791-16AC for dust accumulation, loose terminal connections, and signs of overheating. Because the module’s output current derates with temperature, ensure adequate ventilation around the unit. The module’s robust isolation (500VAC\/1250VAC) protects against ground loops, reducing unexpected downtime. With proper care, this block I\/O module delivers years of reliable service.\u003c\/p\u003e\u003ch2\u003eCompatibility \u0026amp; Integration\u003c\/h2\u003e\u003cp\u003eThe 1791-16AC operates as a Remote I\/O adapter, connecting to a main controller via a Remote I\/O scanner. It supports daisy-chain topology, allowing multiple block I\/Os to share the same communication cable. This module is compatible with a wide range of input devices—proximity switches, limit switches, selector switches, float switches, pushbuttons—and output devices such as pilot lamps, relay coils, horns, and solenoid actuators.\u003c\/p\u003e\u003ch2\u003eBuying Guide\u003c\/h2\u003e\u003cp\u003eBefore ordering, confirm your system’s Remote I\/O scanner compatibility and verify the required number of I\/O points. Also check the continuous current draw of your connected devices to stay within the module’s output ratings. For genuine Allen-Bradley 1791-16AC modules with fast shipping and expert support, choose \u003cstrong\u003ePLC Source PRO\u003c\/strong\u003e—your trusted source for industrial automation spares.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default","offer_id":44453925552227,"sku":"1791-16AC","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/1791-0A16-c1_125a0f06-f9e3-44bf-8dbb-da29213b5e4d.jpg?v=1786111744","url":"https:\/\/www.plcsourcepro.com\/products\/1791-16ac-industrial-automation-module-by-allen-bradley","provider":"PLC Source PRO","version":"1.0","type":"link"}