{"product_id":"1794-oa16-16-point-ac-digital-output-module-allen-bradley-flex-i-o-series","title":"1794-OA16 16-Point AC Digital Output Module | Allen-Bradley Flex I\/O Series","description":"\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #d35400;\"\u003e1794-OA16\u003c\/span\u003e\u003c\/strong\u003e is a cornerstone component of the Rockwell Automation Flex I\/O distributed architecture. Our technical experts highlight its extreme versatility in handling inductive AC loads, such as contactors and sirens. Because the channels are non-isolated, this module is exceptionally compact, making it the primary choice for space-constrained industrial control cabinets where high-density 120VAC output switching is required.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Suitability and Diagnostic Capability\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSuitable Equipment:\u003c\/strong\u003e Compatible with all 1794 Flex I\/O communication adapters for seamless integration into Logix or legacy PLC systems.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCore Applications:\u003c\/strong\u003e Energizing AC relay coils, solenoid-actuated valves, contactor control, and high-visibility industrial alarm signaling (horns\/buzzers).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDiagnostic Capability:\u003c\/strong\u003e Features 16 dedicated yellow LED status indicators for per-channel output verification, allowing maintenance staff to pinpoint signal faults instantly without secondary diagnostic tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Allen-Bradley (Rockwell Automation)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #d35400;\"\u003e1794-OA16\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOutput Type:\u003c\/strong\u003e 16-Channel Non-isolated Digital AC Output\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVoltage Range:\u003c\/strong\u003e 74 to 132 VAC (120 VAC Nominal)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e 0.5A per channel (4.0A total module current)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eScan Delay:\u003c\/strong\u003e ½ AC cycle (Off-to-On\/On-to-Off)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e 4.7 Watts at 0.5A maximum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnvironmental:\u003c\/strong\u003e 0 to 55°C operating range; 5G vibration resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConfiguration Breakdown (Flex I\/O Series)\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e1794:\u003c\/strong\u003e Flex I\/O Platform Base\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eOA:\u003c\/strong\u003e AC Digital Output Module\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003e16:\u003c\/strong\u003e 16-Channel Density Configuration\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLogistics and Warranty Assurance\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eShipping Partners:\u003c\/strong\u003e Secure and priority worldwide transit via FedEx, UPS, or DHL.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDispatch:\u003c\/strong\u003e Rapid order fulfillment with 24-48 hour processing.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Protected by our industry-standard 12-month quality and performance guarantee.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEngineering Frequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Why is external fusing required with the 1794-TBNF base, but not others?\u003c\/strong\u003e\u003cbr\u003e\nA: The 1794-TBNF base includes integrated fuse holders specifically designed to protect the non-isolated outputs of the \u003cstrong\u003e\u003cspan style=\"color: #d35400;\"\u003e1794-OA16\u003c\/span\u003e\u003c\/strong\u003e; using a non-fused base (like the TBN) necessitates external circuit protection to satisfy electrical safety codes.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How does the \"non-isolated\" nature of this module affect my wiring strategy?\u003c\/strong\u003e\u003cbr\u003e\nA: Because outputs are non-isolated, all channels share a common return path to the AC source; ensure your common wiring is correctly sized for the aggregate load and avoid mixing different voltage phases within the same module.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Selection Guide: How do I choose the right terminal base for my cabinet space?\u003c\/strong\u003e\u003cbr\u003e\nA: If you require integrated fusing, opt for the 1794-TBNF. For standard space-saving applications, the 1794-TB2 or TB3 offers a smaller footprint, but remember you must provide your own independent overcurrent protection.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Experience Tip: What causes the 2.25 mA off-state leakage current?\u003c\/strong\u003e\u003cbr\u003e\nA: This is a byproduct of the module's internal snubbing circuitry; be cautious when using this module to drive very low-power loads, as this leakage current can sometimes keep sensitive indicators or relays energized even when commanded \"OFF.\"\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the most efficient way to maintain the 1794-OA16 in high-vibration environments?\u003c\/strong\u003e\u003cbr\u003e\nA: Regularly inspect the terminal base-to-module locking mechanism. The 5G vibration rating is contingent upon the module being securely seated and the keyswitch correctly positioned (Position 8) to prevent accidental mismating.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45013989654710,"sku":"1794-OA16","price":136.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1794-OA16.jpg?v=1779703274","url":"https:\/\/www.plcsparehub.com\/products\/1794-oa16-16-point-ac-digital-output-module-allen-bradley-flex-i-o-series","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}