{"product_id":"allen-bradley-1771-op-ac-output-module-4-channel","title":"Allen-Bradley 1771-OP AC Output Module 4-channel","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1771-OP\u003c\/strong\u003e is a \u003cstrong\u003e4-channel protected AC output module\u003c\/strong\u003e for PLC-5 1771 I\/O systems. It provides \u003cstrong\u003e120V AC output switching\u003c\/strong\u003e with protected output circuitry, conformal coating, and status indicators for reliable control of AC-powered industrial devices in legacy automation installations.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Channels:\u003c\/strong\u003e 4 AC outputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Category:\u003c\/strong\u003e 120V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC Operating Range:\u003c\/strong\u003e 92–138V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Range:\u003c\/strong\u003e 47–63 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Continuous Current per Output:\u003c\/strong\u003e 2 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Current per Module:\u003c\/strong\u003e 6 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Current:\u003c\/strong\u003e 350 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Delay (AC Off):\u003c\/strong\u003e 45 ± 15 ms typical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Delay (DC Off):\u003c\/strong\u003e 50 ms typical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Arm:\u003c\/strong\u003e 1771-WH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e Protected output circuitry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating:\u003c\/strong\u003e Conformal coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Rack mountable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0–60 °C (32–140 °F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.43 lbs (649 g)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtected Output Circuitry:\u003c\/strong\u003e Built-in protection safeguards against overload and short-circuit conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConformal Coating:\u003c\/strong\u003e Environmental protection for reliable operation in harsh industrial conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact 4-Channel Design:\u003c\/strong\u003e Efficient I\/O density for applications requiring fewer AC outputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatus Indicators:\u003c\/strong\u003e Visual LED indicators for output state monitoring and diagnostics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Wiring Arm:\u003c\/strong\u003e Uses 1771-WH for consistent installation with other 1771 modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e 92–138V AC accommodates typical industrial power variations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAC motor starter control\u003c\/li\u003e\n\u003cli\u003eSolenoid valve switching\u003c\/li\u003e\n\u003cli\u003eIndicator light and alarm control\u003c\/li\u003e\n\u003cli\u003eHeater element control\u003c\/li\u003e\n\u003cli\u003eLegacy PLC-5 system maintenance and repair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Preparation:\u003c\/strong\u003e Install the 1771-OP into a compatible 1771-series I\/O chassis. Verify backplane power capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Arm Attachment:\u003c\/strong\u003e Connect the \u003cstrong\u003e1771-WH wiring arm\u003c\/strong\u003e to the module for field terminal access.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad Connection:\u003c\/strong\u003e Wire AC loads (92–138V AC, 47–63 Hz) to the output terminals. Do not exceed 2A per point or 6A total.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Verification:\u003c\/strong\u003e The module features protected output circuitry, but verify external circuit protection is adequate for your application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Considerations:\u003c\/strong\u003e Install in properly ventilated enclosures. Maintain 0–60 °C operating temperature range.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does \"protected output\" mean on the 1771-OP?\u003c\/strong\u003e\u003cbr\u003e\nA: The module includes internal protection circuitry to guard against overload and short-circuit conditions, enhancing reliability and reducing external protection component requirements.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use the 1771-OP for DC output applications?\u003c\/strong\u003e\u003cbr\u003e\nA: No. The 1771-OP is designed exclusively for AC loads (92–138V AC). For DC output, use modules such as 1771-OBD or 1771-ODD.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How many outputs does the 1771-OP provide?\u003c\/strong\u003e\u003cbr\u003e\nA: The 1771-OP provides 4 AC output channels, compared to 16 channels on the 1771-OD16.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is the 1771-OP still available new?\u003c\/strong\u003e\u003cbr\u003e\nA: The 1771-OP is a discontinued legacy product. It is available through surplus channels for existing system maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChoose 1771-OP for applications needing 4 or fewer AC outputs with built-in protection\u003c\/li\u003e\n\u003cli\u003eFor higher channel density, consider 1771-OD16 (16 channels)\u003c\/li\u003e\n\u003cli\u003eVerify load current does not exceed 2A per point or 6A module total\u003c\/li\u003e\n\u003cli\u003eEnsure AC load voltage stays within 92–138V AC range\u003c\/li\u003e\n\u003cli\u003eFor new designs, evaluate migration to ControlLogix 1756-OA8I or CompactLogix output modules\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53803390632120,"sku":"1771-OP","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1771-OVN_2.png?v=1784796362","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1771-op-ac-output-module-4-channel","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}