{"product_id":"allen-bradley-1756-l71s-safety-processor-module","title":"Allen-Bradley 1756-L71S ControlLogix 5571S Safety Controller","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1756-L71S is a GuardLogix 5571S safety controller designed for high-performance automation and safety-critical applications within the ControlLogix platform. This controller provides integrated safety functionality, allowing users to manage both standard and safety-related control tasks within a single, unified environment. It features 2 MB of user memory and 1 MB of dedicated safety memory to support complex logic execution.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIntegrated safety and standard control in a single controller.\u003c\/li\u003e\n\u003cli\u003eSupports high-density I\/O configurations for large-scale automation systems.\u003c\/li\u003e\n\u003cli\u003eDesigned for use with the ControlLogix chassis-based architecture.\u003c\/li\u003e\n\u003cli\u003eHigh-speed processing for demanding industrial control loops.\u003c\/li\u003e\n\u003cli\u003eSupports standard communication protocols for seamless integration with plant-wide networks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003e1756-L71S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Memory\u003c\/td\u003e\n\u003ctd\u003e2 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Memory\u003c\/td\u003e\n\u003ctd\u003e1 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Memory\u003c\/td\u003e\n\u003ctd\u003e0.98 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw (1.2V DC)\u003c\/td\u003e\n\u003ctd\u003e5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw (5.1V DC)\u003c\/td\u003e\n\u003ctd\u003e800 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e2.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e8.5 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e30V Continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Digital I\/O\u003c\/td\u003e\n\u003ctd\u003e128,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Analog I\/O\u003c\/td\u003e\n\u003ctd\u003e4,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the controller is installed in a compatible ControlLogix chassis.\u003c\/li\u003e\n\u003cli\u003ePower down the chassis before inserting or removing the controller module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eMaintain proper ventilation around the chassis to ensure thermal dissipation remains within specified limits.\u003c\/li\u003e\n\u003cli\u003eUse shielded cables for communication and I\/O connections to minimize EMI interference.\u003c\/li\u003e\n\u003cli\u003eFollow standard ESD (Electrostatic Discharge) handling procedures when touching internal components or connectors.\u003c\/li\u003e\n\u003cli\u003eVerify that the module is fully seated and the locking latch is engaged before applying power.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of the 1756-L71S?\u003c\/h3\u003e\u003cp\u003eThe 1756-L71S is a GuardLogix safety controller used to execute safety-rated logic in industrial automation systems, ensuring machine and process safety alongside standard control operations.\u003c\/p\u003e\u003ch3\u003eIs this controller compatible with standard ControlLogix I\/O?\u003c\/h3\u003e\u003cp\u003eYes, the 1756-L71S is designed to operate within the ControlLogix environment and is compatible with standard ControlLogix I\/O modules, provided the system is configured correctly for safety applications.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50980884611324,"sku":"1756-L71S","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_c110a3e0-8912-4262-a2d8-bdd6a6ea97f9.jpg?v=1786730666","url":"https:\/\/www.electronicplc.com\/es\/products\/allen-bradley-1756-l71s-safety-processor-module","provider":"Electronic PLC","version":"1.0","type":"link"}