{"product_id":"allen-bradley-1771-in-plc-5-digital-ac-dc-input-module","title":"Allen-Bradley 1771-IN PLC-5 Digital AC\/DC Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1771-IN is a digital AC\/DC input module designed for use within the classic PLC-5 and 1771 I\/O platform architecture. This module provides an essential interface between industrial automation controllers and various discrete pilot devices such as pushbuttons, limit switches, and auxiliary contacts. It translates field-level sensor signals into controller-compatible data, ensuring reliable monitoring of industrial machinery and discrete processes.\u003c\/p\u003e\n\u003cp\u003eOperating status is easily monitored directly from the front panel via integrated LED indicators, which display the real-time ON or OFF condition of each individual input channel. Power for internal module operations is drawn directly from the 1771 I\/O chassis backplane, simplifying system wiring and reducing external power supply requirements.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with Allen-Bradley PLC-5 programmable controllers and standard 1771 I\/O chassis\u003c\/li\u003e\n  \u003cli\u003eInterfaces directly with standard on\/off industrial control devices\u003c\/li\u003e\n  \u003cli\u003eFront-panel status indicators provide visual feedback of individual input states\u003c\/li\u003e\n  \u003cli\u003eBackplane-powered design eliminates the need for auxiliary module power supplies\u003c\/li\u003e\n  \u003cli\u003eRobust modular construction suited for standard industrial environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDiscrete manufacturing and assembly lines\u003c\/li\u003e\n  \u003cli\u003eConveyor and material handling systems\u003c\/li\u003e\n  \u003cli\u003ePumping stations and water treatment facilities\u003c\/li\u003e\n  \u003cli\u003eLegacy PLC-5 system expansions and maintenance replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\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\u003eManufacturer\u003c\/td\u003e\n      \u003ctd\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCatalog Number\u003c\/td\u003e\n      \u003ctd\u003e1771-IN\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct Type\u003c\/td\u003e\n      \u003ctd\u003eDigital AC\/DC Input Module\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCompatible Chassis\u003c\/td\u003e\n      \u003ctd\u003e1771 I\/O Chassis\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCompatible Controller Family\u003c\/td\u003e\n      \u003ctd\u003ePLC-5\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOperating Voltage\u003c\/td\u003e\n      \u003ctd\u003e12 to 28V AC\/DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBackplane Current Draw\u003c\/td\u003e\n      \u003ctd\u003e80 mA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMaximum AC Off-State Current\u003c\/td\u003e\n      \u003ctd\u003e2.8 mA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSignal Delay (ON or OFF)\u003c\/td\u003e\n      \u003ctd\u003e18 ms (+\/- 10 ms) typical\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMounting Type\u003c\/td\u003e\n      \u003ctd\u003eChassis Rack Mount\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCountry of Origin\u003c\/td\u003e\n      \u003ctd\u003eUnited States\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cp\u003eEnsure all power to the 1771 I\/O chassis is disconnected before inserting or removing the 1771-IN module. Align the circuit board carefully with the chassis backplane guide rails of the designated slot and push firmly to seat the edge connector. Secure the module using the top and bottom retaining latches. Verify that field wiring is terminated securely to the associated 1771 swing-arm RTB (Removable Terminal Block) before restoring power to the system.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":53770309632363,"sku":"1771-IN","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/1771-IN_1200x1200_644f8864-2a1b-4979-a4a6-3499a65f77df.jpg?v=1787740982","url":"https:\/\/www.plcprotech.com\/products\/allen-bradley-1771-in-plc-5-digital-ac-dc-input-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}