{"product_id":"1771-im-allen-bradley-plc-5-digital-ac-dc-input-module-8-point","title":"1771-IM Allen-Bradley PLC-5 Digital AC\/DC Input Module 8-Point","description":"\u003ch3\u003e\u003cstrong\u003eIndustrial Digital Signal Interface Module\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003e1771-IM\u003c\/span\u003e\u003c\/strong\u003e is a high-voltage digital input module developed by \u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003eAllen-Bradley\u003c\/span\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe module belongs to the reliable \u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003ePLC-5 Series\u003c\/span\u003e\u003c\/strong\u003e control platform.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003e1771-IM\u003c\/span\u003e\u003c\/strong\u003e supports both AC and DC field signal acquisition.\u003c\/p\u003e\n\n\u003cp\u003eThe module processes up to 8 discrete industrial input signals simultaneously.\u003c\/p\u003e\n\n\u003cp\u003eIts robust electrical isolation design supports stable factory automation operation.\u003c\/p\u003e\n\n\u003cp\u003eThe module performs effectively in high-voltage industrial control systems.\u003c\/p\u003e\n\n\u003cp\u003eEngineers widely deploy this module for switch monitoring and machine status acquisition.\u003c\/p\u003e\n\n\u003cp\u003eThe rack-mount structure simplifies installation inside PLC-5 automation cabinets.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003eAllen-Bradley PLC-5 Series\u003c\/span\u003e\u003c\/strong\u003e modules remain widely trusted in industrial automation infrastructures.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003e1771-IM\u003c\/span\u003e\u003c\/strong\u003e module offers reliable high-voltage digital signal processing capability.\u003c\/p\u003e\n\n\u003cp\u003eIts broad AC\/DC compatibility simplifies integration with legacy and mixed-voltage systems.\u003c\/p\u003e\n\n\u003cp\u003eThe module is particularly suitable for harsh industrial switching environments.\u003c\/p\u003e\n\n\u003cp\u003eMany engineers use this model in long-running process and manufacturing applications.\u003c\/p\u003e\n\n\u003cp\u003eCompatible industrial equipment includes:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003ePLC-5 control racks\u003c\/li\u003e\n\u003cli\u003eIndustrial motor control systems\u003c\/li\u003e\n\u003cli\u003eFactory automation cabinets\u003c\/li\u003e\n\u003cli\u003eMaterial handling systems\u003c\/li\u003e\n\u003cli\u003ePower monitoring systems\u003c\/li\u003e\n\u003cli\u003eMachine safety monitoring circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eTypical application scenarios include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003ePushbutton signal monitoring\u003c\/li\u003e\n\u003cli\u003eLimit switch status acquisition\u003c\/li\u003e\n\u003cli\u003eSelector switch monitoring\u003c\/li\u003e\n\u003cli\u003eIndustrial float switch integration\u003c\/li\u003e\n\u003cli\u003eConveyor system input detection\u003c\/li\u003e\n\u003cli\u003eProcess equipment state monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eDiagnostic capability supports:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eDiscrete signal verification\u003c\/li\u003e\n\u003cli\u003eInput status troubleshooting\u003c\/li\u003e\n\u003cli\u003eField wiring diagnostics\u003c\/li\u003e\n\u003cli\u003eInput delay monitoring\u003c\/li\u003e\n\u003cli\u003eControl cabinet maintenance analysis\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTechnical Performance Matrix\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003eRockwell Automation\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003eAllen-Bradley\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003e1771-IM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLC-5\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital AC\/DC Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e220V AC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAC Operating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e184-276V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDC Operating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e184-276V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e47-63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Input Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.6 mA DC \/ 3-3.5 mA AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum ON-State Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.9 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum OFF-State Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum OFF-State Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e92-114V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e75 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Delay AC ON\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 ± 6 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Delay DC ON\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 ± 4 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Delay AC OFF\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 ± 6 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Delay DC OFF\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 ± 9 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.4 W minimum \/ 2.4 W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.2 to 10.9 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5-95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32°F to 140°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRack mountable\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Wiring Arm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1771-WA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e\u003cstrong\u003eApplication-Oriented Design Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eSupports both AC and DC industrial input signals\u003c\/li\u003e\n\n\u003cli\u003eDesigned for high-voltage discrete input applications\u003c\/li\u003e\n\n\u003cli\u003eStable switching performance improves signal reliability\u003c\/li\u003e\n\n\u003cli\u003eCompatible with multiple industrial switch types\u003c\/li\u003e\n\n\u003cli\u003eIntegrated delay filtering reduces false triggering\u003c\/li\u003e\n\n\u003cli\u003eOptimized for continuous industrial control operation\u003c\/li\u003e\n\n\u003cli\u003eSupports long-term PLC-5 system integration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eField Device Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003ePushbutton switches\u003c\/li\u003e\n\n\u003cli\u003eSelector switches\u003c\/li\u003e\n\n\u003cli\u003eAC limit switches\u003c\/li\u003e\n\n\u003cli\u003eIndustrial float switches\u003c\/li\u003e\n\n\u003cli\u003eRelay contact outputs\u003c\/li\u003e\n\n\u003cli\u003eHigh-voltage discrete sensors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eEngineering Installation Recommendations\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eInstall the module inside compatible PLC-5 racks\u003c\/li\u003e\n\n\u003cli\u003eUse the approved 1771-WA wiring arm for secure field connections\u003c\/li\u003e\n\n\u003cli\u003eSeparate input wiring from high-current motor cables\u003c\/li\u003e\n\n\u003cli\u003eVerify voltage compatibility before energizing field devices\u003c\/li\u003e\n\n\u003cli\u003eMaintain cabinet ventilation for thermal stability\u003c\/li\u003e\n\n\u003cli\u003eCheck signal timing requirements during system commissioning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eMaintenance and Operational Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eInspect field terminal tightness during preventive maintenance\u003c\/li\u003e\n\n\u003cli\u003eMonitor abnormal OFF-state leakage current conditions\u003c\/li\u003e\n\n\u003cli\u003eVerify signal response timing during troubleshooting procedures\u003c\/li\u003e\n\n\u003cli\u003eClean rack contacts during scheduled shutdown periods\u003c\/li\u003e\n\n\u003cli\u003eReview cabinet temperature conditions during continuous operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eShipping and Packaging Information\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e1 × \u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003e1771-IM\u003c\/span\u003e\u003c\/strong\u003e Digital Input Module\u003c\/li\u003e\n\n\u003cli\u003eIndustrial anti-static protective packaging\u003c\/li\u003e\n\n\u003cli\u003eSecure export transportation protection\u003c\/li\u003e\n\n\u003cli\u003eProduct identification labeling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eWarranty and Logistics Support\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Period:\u003c\/strong\u003e 12 months\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eCourier Services:\u003c\/strong\u003e FedEx, UPS, DHL\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eOrder Processing:\u003c\/strong\u003e Fast international dispatch support\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003ePackaging Standard:\u003c\/strong\u003e Industrial-grade protective packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eProfessional FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhy does this module support both AC and DC input signals?\u003c\/strong\u003e\n\n\u003cp\u003eMixed-voltage compatibility simplifies industrial system integration.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWhat practical advantage comes from integrated signal delay filtering?\u003c\/strong\u003e\n\n\u003cp\u003eIt reduces false triggering caused by electrical noise or switch bounce.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eHow should engineers select compatible field devices?\u003c\/strong\u003e\n\n\u003cp\u003eVerify voltage ratings and switching characteristics before installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWhat installation issue most commonly affects input stability?\u003c\/strong\u003e\n\n\u003cp\u003ePoor cabinet grounding often introduces unwanted electrical interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWhy is OFF-state leakage current important in high-voltage systems?\u003c\/strong\u003e\n\n\u003cp\u003eLeakage current may create unintended input activation conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWhich industries commonly deploy this module?\u003c\/strong\u003e\n\n\u003cp\u003eManufacturing, material handling, energy systems, and process automation.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWhat maintenance practice improves long-term rack reliability?\u003c\/strong\u003e\n\n\u003cp\u003eRegular cleaning of rack connectors helps maintain stable communication.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eHow can technicians troubleshoot delayed signal transitions?\u003c\/strong\u003e\n\n\u003cp\u003eCheck field device response times and input wiring integrity.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWhat should buyers confirm before ordering?\u003c\/strong\u003e\n\n\u003cp\u003eVerify PLC-5 rack compatibility and required operating voltage range.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWhy is rack ventilation important for this module?\u003c\/strong\u003e\n\n\u003cp\u003eStable cabinet temperatures improve long-term electrical reliability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45014016819382,"sku":"1771-IM","price":164.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1771-IM_e4544bf2-4e8c-4ffa-b2b8-5526923c3b6c.jpg?v=1779703258","url":"https:\/\/www.plcsparehub.com\/products\/1771-im-allen-bradley-plc-5-digital-ac-dc-input-module-8-point","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}