{"product_id":"1771-oan-allen-bradley-digital-ac-output-module-new-original-stock","title":"1771-OAN Allen-Bradley Digital AC Output Module | New \u0026 Original Stock","description":"\u003ch1\u003eAllen-Bradley 1771-OAN PLC 5 Digital AC Output Module\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1771-OAN\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1771-OAN\u003c\/strong\u003e Digital AC Output Module, operates as a dedicated hardware component for binary AC load switching within PLC 5 platforms. The assembly converts logic commands received across the chassis backplane into physical state changes for 32 independent AC outputs, utilizing triac switching circuits arranged in four isolated groups of eight channels.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eModel\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003e1771-OAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eOrigin\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003e1.05 kg (2.31 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eDimensions\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003eStandard 1771 single-slot module dimensions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eOperating Temp\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003e0 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"8\"\u003ePower Consumption\u003c\/td\u003e\n\u003ctd data-row=\"8\"\u003e5 VDC backplane current consumption at 800 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"9\"\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd data-row=\"9\"\u003e32 outputs (4 groups of 8 channels)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"10\"\u003eVoltage Category\u003c\/td\u003e\n\u003ctd data-row=\"10\"\u003e85-264 VAC (Nominal 120 \/ 240 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"11\"\u003eMax Continuous Current Per Point\u003c\/td\u003e\n\u003ctd data-row=\"11\"\u003e1.0 A at 30 deg C \/ 0.3 A at 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"12\"\u003eMax Continuous Current Per Group\u003c\/td\u003e\n\u003ctd data-row=\"12\"\u003e2.0 A at 30 deg C \/ 0.6 A at 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"13\"\u003eMax Continuous Current Per Module\u003c\/td\u003e\n\u003ctd data-row=\"13\"\u003e8.0 A at 30 deg C \/ 2.4 A at 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"14\"\u003eSignal Delay (Off to On)\u003c\/td\u003e\n\u003ctd data-row=\"14\"\u003e1 ms maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"15\"\u003eSignal Delay (On to Off)\u003c\/td\u003e\n\u003ctd data-row=\"15\"\u003e9.3 ms at 60 Hz \/ 11 ms at 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"16\"\u003eCircuit Board Protection\u003c\/td\u003e\n\u003ctd data-row=\"16\"\u003eConformal coat application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"17\"\u003eRequired Field Interface\u003c\/td\u003e\n\u003ctd data-row=\"17\"\u003e1771-WH wiring arm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity and High-Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe electronic architecture interfaces with the 1771 chassis infrastructure to execute high-density scaling of discrete AC points across a single slot. Data transfer occurs via BCD or Natural Binary data formats, syncing directly with the main processor scan to maintain backplane bus communication velocity parameters. The control logic relies on native firmware flash compatibility paths across the PLC-5 processor family, allowing the 800 mA backplane current load to remain constant without fluctuating during multi-channel execution.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the maximum continuous current rating adjust to ambient temperature increases within the local electrical enclosure?\u003c\/p\u003e\n\u003cp\u003eA: The module operates under a strict thermal derating curve. At 30 deg C, each independent point allows up to 1.0 A continuous load, which decreases to 0.3 A per point when the ambient environment reaches 60 deg C to protect the triac junctions from thermal runaway.\u003c\/p\u003e\n\u003cp\u003eQ: Can this module be extracted from the 1771 rack infrastructure while the backplane bus is actively powered?\u003c\/p\u003e\n\u003cp\u003eA: No. The 1771 I\/O architecture does not support live removal or insertion under power. Removing the component during active backplane communication can generate electrical noise, disrupt processor execution, and cause terminal damage to the backplane connectors.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Keying and Insertion:\u003c\/strong\u003e Prior to module insertion, install plastic keying bands on the chassis backplane connector between pins 6 and 8. Align the module housing with the top and bottom chassis rails, sliding it forward until the locking latch engages the frame completely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Arm Attachment:\u003c\/strong\u003e Secure the 1771-WH wiring arm to the pivot bar of the chassis slot. Terminate all 85-264 VAC field wiring onto the screw terminals before clipping the arm onto the front face of the module to prevent physical strain on the PCB.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroup Isolation and Wiring:\u003c\/strong\u003e Maintain separation between the four independent electrical groups when routing external AC supply lines. Wire each group to its respective fused power branch to ensure proper circuit isolation and prevent cross-phase short circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductor Routing:\u003c\/strong\u003e Keep all AC output load wires isolated from low-voltage DC or analog signal cables within the wire trunking to prevent high-frequency inductive coupling from shifting into nearby instrumentation lines.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":43412185546842,"sku":"1771-OAN","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/22._6422634f-b8cb-4597-97c7-7be8dea86164.jpg?v=1779672854","url":"https:\/\/www.spareoil.com\/products\/1771-oan-allen-bradley-digital-ac-output-module-new-original-stock","provider":"SpareOil Automation","version":"1.0","type":"link"}