{"product_id":"1756-a17-allen-bradley-chassis-racks-controllogix","title":"1756-A17 Allen-Bradley Chassis Racks ControlLogix","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1756-A17 is a high-capacity, 17-slot chassis designed to serve as the backbone of large-scale ControlLogix automation systems. Built for industrial environments requiring maximum I\/O density and processing power, this chassis enables seamless communication between modules by providing a high-speed backplane for data exchange and power distribution. It is a critical component for complex machine control, large-scale plant automation, and distributed control systems where reliability is paramount.\u003c\/p\u003e\n\u003cp\u003eThe 1756-A17 chassis incorporates sophisticated features that facilitate easy maintenance and system uptime. Its support for Removal and Insertion Under Power (RIUP) allows technicians to replace I\/O or communication modules without halting the entire process, drastically reducing Mean Time to Repair (MTTR). Additionally, the chassis includes electronic keying to prevent the accidental installation of incorrect modules, safeguarding your investment and preventing potential hardware damage. Whether used in automotive assembly lines, municipal water treatment facilities, or large-scale logistics centers, the 1756-A17 offers the structural integrity and electrical stability required for enterprise-grade automation.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-A17\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eManufacturer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSeries\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eControlLogix\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eChassis Racks\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSlot Count\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e17 Slots\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEnclosure Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOpen\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBackplane Current (5V DC)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10.0 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBackplane Current (24V DC)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.8 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Dissipation (Max)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.0 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.90 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e21.2 x 74.5 x 16.8 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHorizontal (Panel\/Cabinet)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0°C to +60°C (+32°F to +140°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eModel Configuration Explanation\u003c\/h3\u003e\n\u003cp\u003eThe 1756-A17 model number provides a clear understanding of its physical and functional capabilities:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e1756:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIdentifies the product as part of the ControlLogix family of industrial controllers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDenotes the chassis classification.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e17:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSpecifies the number of available slots for I\/O, communication, and controller modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cp\u003eThe 1756-A17 is favored by system integrators for applications requiring high modularity:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAutomotive Manufacturing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports complex vehicle assembly lines where multiple CPUs, motion controllers, and high-density I\/O modules are required to be housed in one central location.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFood \u0026amp; Beverage Processing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrates numerous communication gateways and motion control modules for packaging and palletizing operations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWater \u0026amp; Wastewater Treatment:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eActs as the central hub in large control panels for remote monitoring of filtration, pumping, and sewage treatment telemetry.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLogistics \u0026amp; Warehousing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCentralizes control for high-speed automated sorting systems, conveyor logic, and variable frequency drive (VFD) communication.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSystem Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe 1756-A17 is fully compatible with all standard 1756 ControlLogix modules, including:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProcessors:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1756-L7x, 1756-L8x series controllers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eI\/O Modules:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDigital, analog, and specialty I\/O cards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Modules:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEtherNet\/IP (1756-ENxT), ControlNet, and DeviceNet bridges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supplies:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1756-PB50, 1756-PA72, etc. (mounted to the left of the chassis).\u003c\/p\u003e\n\u003cp\u003eThe chassis backplane provides the necessary power and high-speed bus connectivity to ensure that these diverse modules operate as a single, coherent control unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; Mounting Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHorizontal Orientation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe chassis must be mounted horizontally only to ensure that heat generated by the modules can dissipate through the natural ventilation channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eClearance Requirements:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTo ensure adequate cooling, maintain the following minimum clearances:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTop:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e15.3 cm (6.0 in.)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBottom:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e5.1 cm (2.0 in.)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLeft (Power Supply Side):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e10.2 cm (4.0 in.) + supply width\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e7.7 cm (3.0 in.) + supply width\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Tabs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe chassis includes 10 mounting tabs (5 top, 5 bottom) for secure attachment to the subpanel.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrounding Requirements:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA Functional Earth (8.3 mm² \/ 8 AWG) and Protective Earth (2.1 mm² \/ 14 AWG) ground connection is mandatory to ensure safety and prevent signal noise interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHardware:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIf utilizing SEM screws, you will need 5 Phillips screws, 5 flat washers, 5 split-lock washers, and 5 SEM screws per installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Density Control:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e17 slots provide the largest standard capacity for complex automation projects, reducing the need for multiple, interconnected chassis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRIUP Functionality:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnables maintenance and module hot-swapping under power, significantly increasing system availability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eElectronic Keying:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEliminates human error by ensuring only the correctly programmed module can be inserted into a configured slot.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen combined with intelligent I\/O modules, the backplane communication supports comprehensive system diagnostics for faster fault identification.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e1756-A17 ControlLogix 17-Slot Chassis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStandard industrial packaging.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNote: Confirm mounting hardware requirements based on your specific cabinet subpanel type. Ensure the total backplane current draw (10A @ 5V, 2.8A @ 24V) does not exceed the capacity of your chosen power supply.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the 1756-A17 come with a power supply?\u003c\/p\u003e\n\u003cp\u003eNo, the chassis is a passive backplane unit. You must purchase a compatible ControlLogix power supply (e.g., 1756-PA72 or 1756-PB50) separately.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan I install this chassis vertically to save space?\u003c\/p\u003e\n\u003cp\u003eNo. The chassis is strictly designed for horizontal mounting to facilitate proper thermal convection. Vertical mounting will lead to overheating and potential hardware failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat does \"electronic keying\" do?\u003c\/p\u003e\n\u003cp\u003eIt prevents an incorrectly typed module from being used in a slot configured for a different module, preventing data corruption and hardware damage during setup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs the chassis compatible with legacy ControlLogix modules?\u003c\/p\u003e\n\u003cp\u003eYes, the 1756 backplane architecture is backward compatible with most legacy ControlLogix modules, allowing for phased system upgrades.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow do I protect the backplane from metal shavings?\u003c\/p\u003e\n\u003cp\u003eUse the debris strips provided on the chassis until all wiring and mounting are complete. Metal shavings can cause short circuits on the backplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat grounding wire should I use?\u003c\/p\u003e\n\u003cp\u003ePer documentation, use an 8 AWG Functional Earth wire and a 14 AWG Protective Earth wire to ensure electromagnetic compatibility and safety.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan I use this for Sequence of Events (SOE) timestamping?\u003c\/p\u003e\n\u003cp\u003eYes, the 1756-A17 supports high-speed communication backplane timing, allowing for SOE timestamping when used with compatible input modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow much space does the chassis occupy in a cabinet?\u003c\/p\u003e\n\u003cp\u003eThe chassis itself is 74.5 cm wide, but you must account for the power supply and the required clearance (total cabinet footprint should be at least 91.4 cm wide).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs this chassis available after the manufacturer discontinues it?\u003c\/p\u003e\n\u003cp\u003eWhile the OEM may transition to new platforms, reliable third-party suppliers like Amikon often maintain stocks of EOL hardware to support legacy installations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066411700397,"sku":"1756-A17","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1756-A17-1.jpg?v=1781172730","url":"https:\/\/www.maxwellplc.com\/products\/1756-a17-allen-bradley-chassis-racks-controllogix","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}