{"product_id":"allen-bradley-1771-op-digital-ac-output-module","title":"Allen-Bradley 1771-OP Digital AC Output Module","description":"\u003ch2\u003eAllen-Bradley 1771-OP Digital AC Output Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1771-OP\u003c\/strong\u003e (\u003cstrong\u003e1771-OP\u003c\/strong\u003e Digital AC Output Module) operates as a dedicated hardware component for AC load switching within the PLC-5 1771 I\/O system. The module provides four protected AC output channels for controlling 120 VAC field devices through rack-based PLC control signals.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1771-OP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.43 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e32 to 140 deg F (0 to 60 deg C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDigital AC Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003ePLC-5 1771 I\/O Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e4 AC outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Category\u003c\/td\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Operating Voltage\u003c\/td\u003e\n\u003ctd\u003e92-138 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e47-63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Continuous Current per Output\u003c\/td\u003e\n\u003ctd\u003e2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Current per Module\u003c\/td\u003e\n\u003ctd\u003e6 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e350 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Arm\u003c\/td\u003e\n\u003ctd\u003e1771-WH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Delay (AC Off)\u003c\/td\u003e\n\u003ctd\u003e45 +\/-15 ms typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Delay (DC Off)\u003c\/td\u003e\n\u003ctd\u003e50 ms typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Feature\u003c\/td\u003e\n\u003ctd\u003eProtected output circuitry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating\u003c\/td\u003e\n\u003ctd\u003eConformal coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eRack mountable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003ePLC-5 Deterministic Output Switching Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 1771-OP is designed for Allen-Bradley PLC-5 platforms and exchanges output control data through the 1771 I\/O backplane interface. The module provides digital AC switching through four output points configured for 120 VAC field loads.\u003c\/p\u003e\n\u003cp\u003eThe module architecture follows PLC-5 I\/O density scaling principles by integrating multiple AC switching channels into a single rack-mounted unit. The conformal coating provides protection for internal electronic assemblies against environmental exposure. The output circuitry includes protected switching elements for AC load control applications.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What type of loads can the 1771-OP control?\u003cbr\u003eA: The module is designed for 120 VAC digital loads within the specified current limits, including industrial AC switching devices.\u003c\/p\u003e\n\u003cp\u003eQ: How many output channels are available on the 1771-OP module?\u003cbr\u003eA: The module provides four AC output channels.\u003c\/p\u003e\n\u003cp\u003eQ: What PLC platform is compatible with the 1771-OP?\u003cbr\u003eA: The module is designed for use with Allen-Bradley PLC-5 systems using the 1771 I\/O architecture.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1771-OP module in a compatible PLC-5 1771 I\/O chassis using the correct rack position and 1771-WH wiring arm. Verify that the connected AC supply voltage is within the module operating range before applying power.\u003c\/p\u003e\n\u003cp\u003eUse suitable AC-rated field wiring and maintain separation between control wiring and high-voltage conductors where required. Follow site grounding practices for shielded wiring installations and avoid routing signal cables alongside high-noise switching circuits.\u003c\/p\u003e\n\u003cp\u003eConfirm output channel assignments and load current requirements before connecting field devices. Ensure that the total module current and individual output current limits are not exceeded during operation.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43688225669210,"sku":"1771-OP","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1771-OP2.jpg?v=1784620657","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1771-op-digital-ac-output-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}