{"product_id":"allen-bradley-1756-l71-plc-cpu-module","title":"Allen-Bradley 1756-L71 GuardLogix 5570 Controller","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1756-L71 GuardLogix 5570 is a high-performance programmable automation controller designed for integrated standard and safety control within the ControlLogix platform. This controller combines standard automation logic and functional safety in a single architecture, allowing both applications to execute within the same chassis while remaining logically independent. The conformal coating provides enhanced protection against corrosive atmospheres, meeting Severity Level G3 per ANSI\/ISA 71.04-2013 and Severity Level C4 per IEC 60721-3-5:2018.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIntegrated standard and safety control platform\u003c\/li\u003e\n\u003cli\u003e2 MB standard user memory and 1 MB dedicated safety memory\u003c\/li\u003e\n\u003cli\u003eSupports up to 128,000 digital I\/O and 4,000 analog I\/O\u003c\/li\u003e\n\u003cli\u003eUp to 500 controller communication connections\u003c\/li\u003e\n\u003cli\u003eIntegrated motion support over EtherNet\/IP\u003c\/li\u003e\n\u003cli\u003eConformal coating for harsh industrial environments\u003c\/li\u003e\n\u003cli\u003eEnergy Storage Module (ESM) replaces traditional batteries for data retention\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eWater\/Wastewater: Chemical dosing and effluent valve control\u003c\/li\u003e\n\u003cli\u003eOil\/Gas\/Petrochemical: Pressure loop management and burner gas-feed systems\u003c\/li\u003e\n\u003cli\u003eFood\/Beverage: PID-based temperature control for mixing and cooking\u003c\/li\u003e\n\u003cli\u003ePower Generation: Steam governor actuation and cooling tower fan management\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-L71\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\u003eNon-volatile Memory\u003c\/td\u003e\n\u003ctd\u003e1 GB (SD Card)\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\u003eTasks\u003c\/td\u003e\n\u003ctd\u003e32 (31 Standard, 1 Safety)\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\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 degC to +60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 degC to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe controller installs into any slot of a 1756 ControlLogix chassis.\u003c\/li\u003e\n\u003cli\u003eUse the provided plastic keying system to prevent incorrect module placement in the chassis.\u003c\/li\u003e\n\u003cli\u003eEnsure the Energy Storage Module (ESM) is properly seated; the controller does not use traditional batteries.\u003c\/li\u003e\n\u003cli\u003eWhen using an SD card for non-volatile storage, insert with the beveled corner facing up and contacts on the right until it clicks.\u003c\/li\u003e\n\u003cli\u003eMaintain proper ventilation within the cabinet to stay within the 0 to 60 degC operating range.\u003c\/li\u003e\n\u003cli\u003eAlways power down the chassis before inserting or removing the controller module to prevent electrical damage.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat are the memory capacities?\u003c\/h3\u003e\u003cp\u003eThe 1756-L71 features 2 MB of user memory and 0.98 MB of I\/O memory, with 1 GB of non-volatile storage provided by the pre-installed SD card.\u003c\/p\u003e\u003ch3\u003eDoes it require a battery?\u003c\/h3\u003e\u003cp\u003eNo. The 1756-L71 utilizes an Energy Storage Module (ESM) to preserve controller memory during power interruptions, eliminating the need for traditional batteries.\u003c\/p\u003e\u003ch3\u003eDoes it have an embedded Ethernet port?\u003c\/h3\u003e\u003cp\u003eNo. The controller features a USB 2.0 port for local programming and maintenance. Communication with EtherNet\/IP, ControlNet, or DeviceNet networks requires a dedicated communication bridge module in the chassis.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50909856891132,"sku":"1756-L71","price":77.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_5e408d37-1603-4968-9e92-be70b554fbcf.jpg?v=1785633052","url":"https:\/\/www.electronicplc.com\/ar\/products\/allen-bradley-1756-l71-plc-cpu-module","provider":"Electronic PLC","version":"1.0","type":"link"}