{"product_id":"allen-bradley-1756-a13-k-controllogix-chassis","title":"Allen-Bradley 1756-A13\/K ControlLogix Chassis","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003eAllen-Bradley 1756-A13\/K ControlLogix Chassis\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003eConfigured for modular ControlLogix backplane expansion in 13-slot architectures, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-A13\/K\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e1756-A13\/K\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eControlLogix chassis) provides direct physical\/electrical execution of module interconnection and distributed power arbitration across ControlLogix I\/O, CPU, and communication modules. The chassis implements a shared backplane structure enabling deterministic data exchange and synchronized power distribution across horizontally mounted modules in a single rack assembly.\u003c\/p\u003e\n\u003cp\u003eWithin the ControlLogix system, the chassis supports multi-rail DC distribution and backplane signaling coordination, ensuring aligned execution of cyclic controller tasks and I\/O data transfer across all installed slots.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe suffix “\/K” represents a series revision identifier within the 1756 chassis platform lineage. “A13” defines a 13-slot ControlLogix chassis configuration. No additional functional segmentation is defined by the manufacturer for this ordering code.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-A13\/K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.90 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e50.8 × 81.3 × 20.3 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eIEC 60068-2-1 \/ IEC 60068-2-2 compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMax 5.4 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eControlLogix Chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlots\u003c\/td\u003e\n\u003ctd\u003e13 module slots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eHorizontal back-panel only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Voltage Rails\u003c\/td\u003e\n\u003ctd\u003e1.2 VDC, 3.3 VDC, 5.1 VDC, 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5.1 VDC)\u003c\/td\u003e\n\u003ctd\u003e15 A chassis max \/ 6 A per slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (3.3 VDC)\u003c\/td\u003e\n\u003ctd\u003e4 A per slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (24 VDC)\u003c\/td\u003e\n\u003ctd\u003e2.8 A chassis\/slot max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrounding\u003c\/td\u003e\n\u003ctd\u003e8 AWG functional earth \/ 14 AWG protective earth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eOpen-style chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eControlLogix Backplane Communication and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe 1756-A13\/K chassis implements a unified backplane architecture where all installed modules share a synchronized electrical and timing bus. Backplane rails at 1.2 VDC and 3.3 VDC support internal logic domains, while 5.1 VDC and 24 VDC rails distribute I\/O and auxiliary module power. The ControlLogix backplane operates with deterministic scheduling, allowing coordinated data exchange between modules without discrete inter-module wiring.\u003c\/p\u003e\n\u003cp\u003eI\/O density scaling is achieved through slot-based architecture, where up to 13 modules operate under a shared communication backbone, maintaining aligned scan execution across controller and I\/O subsystems.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1756-A13\/K support hot-swapping of modules?\u003c\/strong\u003e\u003cbr\u003eA: Yes. ControlLogix architecture allows hot-swap insertion and removal. Electrical state handling is managed at module firmware level, not by the chassis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are backplane power rails isolated per slot?\u003c\/strong\u003e\u003cbr\u003eA: No. The chassis provides shared backplane distribution. Current limits are enforced per rail and per slot depending on system loading.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the chassis provide slot-to-slot electrical isolation?\u003c\/strong\u003e\u003cbr\u003eA: No. Isolation is implemented within individual modules. The chassis functions as a common backplane bus structure.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eInstall chassis in horizontal orientation only as specified by mechanical design constraints\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure 8 AWG functional earth and 14 AWG protective earth conductors are properly terminated\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVerify backplane connector alignment before inserting modules to avoid pin deformation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain cabinet clearance to support airflow due to open-frame chassis design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDistribute high-load modules across slots to avoid localized backplane rail stress\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure cabinet grounding integrity to minimize electrical noise coupling into backplane bus \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43568890249306,"sku":"1756-A13\/K","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-A13K2.jpg?v=1782703167","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-a13-k-controllogix-chassis","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}