{"product_id":"allen-bradley-1771-od16-isolated-120v-ac-output-module","title":"Allen-Bradley 1771-OD16 Isolated 120V AC Output Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1771-OD16\u003c\/strong\u003e is a \u003cstrong\u003e16-point isolated AC output module\u003c\/strong\u003e for PLC-5 1771 I\/O systems. It provides individual 120V AC output channels capable of driving up to \u003cstrong\u003e2A per point\u003c\/strong\u003e and \u003cstrong\u003e8A total per module\u003c\/strong\u003e, with built-in fuse protection and status indicators for reliable AC load control in industrial automation applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Channels:\u003c\/strong\u003e 16 isolated 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 74–138V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Frequency:\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 8 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Current:\u003c\/strong\u003e 200 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\u003eData Format:\u003c\/strong\u003e BCD or natural binary\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Arm:\u003c\/strong\u003e 1771-WN or 1771-WH\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\u003eCoating:\u003c\/strong\u003e Conformal-coated electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e UL, CE, CSA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Current Capacity:\u003c\/strong\u003e 2A per point and 8A per module support demanding AC load applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual Output Isolation:\u003c\/strong\u003e Each channel is electrically isolated for safe multi-phase control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Diagnostics:\u003c\/strong\u003e Green active LED, red fuse-blown indicator, and 16 red status LEDs for rapid troubleshooting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConformal Coating:\u003c\/strong\u003e Environmental protection for harsh industrial conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Data Format:\u003c\/strong\u003e Supports both BCD and natural binary programming\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRIUP Compatible:\u003c\/strong\u003e Supports Removal and Insertion Under Power for reduced downtime\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAC motor starter and contactor control\u003c\/li\u003e\n\u003cli\u003eSolenoid valve and actuator switching\u003c\/li\u003e\n\u003cli\u003eIndicator light and annunciator control\u003c\/li\u003e\n\u003cli\u003eHeater and HVAC load management\u003c\/li\u003e\n\u003cli\u003ePump and fan motor control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Installation:\u003c\/strong\u003e Insert the 1771-OD16 into a compatible 1771-series I\/O chassis slot. Ensure adequate backplane power capacity (200 mA per module).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Arm Attachment:\u003c\/strong\u003e Install the \u003cstrong\u003e1771-WN or 1771-WH wiring arm\u003c\/strong\u003e before field wiring. The wiring arm provides screw-terminal access for all 16 outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad Wiring:\u003c\/strong\u003e Connect AC loads (74–138V AC, 47–63 Hz) to the output terminals. Ensure load current does not exceed 2A per point or 8A total.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Verification:\u003c\/strong\u003e Check fuse status indicators after power-up. Replace blown fuses with correct ratings per the installation manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Protection:\u003c\/strong\u003e Install in NEMA-rated enclosures with proper ventilation. Maintain 0–60 °C operating temperature.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the 1771-OD16 drive DC loads?\u003c\/strong\u003e\u003cbr\u003e\nA: No. The 1771-OD16 is designed exclusively for AC loads (74–138V AC). For DC output applications, use the 1771-ODD or 1771-OBD module.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum inrush current per output?\u003c\/strong\u003e\u003cbr\u003e\nA: The module supports 2A continuous per output. For inductive loads with high inrush, verify the load profile stays within module specifications or use external contactors.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if a fuse has blown?\u003c\/strong\u003e\u003cbr\u003e\nA: The module features a dedicated red fuse-blown indicator LED. Individual output status LEDs also show channel state for quick diagnostics.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this module still manufactured?\u003c\/strong\u003e\u003cbr\u003e\nA: The 1771-OD16 is a discontinued legacy product. It is available through surplus and refurbishment channels for existing PLC-5 system maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCalculate total AC load current and verify it does not exceed 8A module limit\u003c\/li\u003e\n\u003cli\u003eFor inductive loads (motors, solenoids), consider inrush current and use external protection if necessary\u003c\/li\u003e\n\u003cli\u003eSpecify 1771-WH wiring arm if higher terminal density is required\u003c\/li\u003e\n\u003cli\u003eEnsure chassis power supply has sufficient 5VDC capacity for all installed modules\u003c\/li\u003e\n\u003cli\u003eFor new designs, evaluate migration to ControlLogix 1756-OA16I or CompactLogix alternatives\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53803378802872,"sku":"1771-OD16","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1771-OD16_3.png?v=1784796363","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1771-od16-isolated-120v-ac-output-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}