{"product_id":"1747oc-ebcba-allen-bradley-open-controller-cpu-slc-500","title":"1747OC-EBCBA Allen-Bradley Open Controller CPU SLC 500","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1747OC-EBCBA\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1747OCEBCBA\u003c\/strong\u003e Open Controller CPU, operates as a dedicated hardware component for central processing and system control execution within SLC 500 architecture networks.\u003c\/p\u003e\n\u003ch3\u003eModel Suffix Nomenclature Analysis\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1747OC-EBCBA: Standard catalog designation referencing an open controller central processing unit equipped with onboard volatile memory allocation and backplane power regulation.\u003c\/li\u003e\n\u003cli\u003e1747OCEBCBA: Alternative spare inventory part code representing the identical physical processing hardware configuration.\u003c\/li\u003e\n\u003cli\u003eOpen Controller CPU: Specifies the modular processing engine architecture optimized for chassis slot insertion and multi-tasking industrial logic operations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003e1747OC-EBCBA\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.32 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e3.5 x 13 x 14.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C (32 deg F to 140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.25 A at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRAM Capacity\u003c\/td\u003e\n\u003ctd\u003e64 MB to 256 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus and Network Communication Parameters\u003c\/h3\u003e\n\u003cp\u003eThe processor regulates backplane bus communication velocity and firmware flash compatibility across connected rack assemblies. I\/O density scaling relies on precise slot addressing while maintaining deterministic network synchronization with distributed input and output modules. Backplane current loading demands strict adherence to system power budgets, requiring 2.25 Amps at 5 Volts DC directly from the chassis bus interface to preserve operational signal integrity.\u003c\/p\u003e\n\u003ch3\u003ePackage Ordering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1747OC-EBCBA Open Controller CPU hardware unit\u003c\/li\u003e\n\u003cli\u003e1 x Onboard RAM module configuration slot assembly\u003c\/li\u003e\n\u003cli\u003e1 x Terminal protection housing and diagnostic cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical Installation and Mounting Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChassis Slot Placement: Insert the CPU module exclusively into the far-left slot of the designated chassis to align properly with system backplane bus connectors.\u003c\/li\u003e\n\u003cli\u003eEnvironmental Protection: Maintain ambient operating temperatures between 0 deg C and 60 deg C while keeping relative humidity levels within 5% to 95% non-condensing limits.\u003c\/li\u003e\n\u003cli\u003ePower Supply Connections: Terminate the external 24 VDC power supply source to the designated processor terminals using copper conductors sized to minimize voltage drop.\u003c\/li\u003e\n\u003cli\u003eGrounding Protocols: Secure the chassis mounting hardware directly to a low-impedance structural earth ground point to suppress electromagnetic interference.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDoes this central processing unit support hot-insertion and removal under power?\n\u003cul\u003e\n\u003cli\u003eNo, inserting or removing the 1747OC-EBCBA while the chassis backplane power is active can cause electrical faults and damage internal circuitry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eWhich specific chassis slot is required for mounting this CPU?\n\u003cul\u003e\n\u003cli\u003eThe unit must be installed strictly in the left slot of the compatible SLC 500 rack assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eWhat is the exact power requirement drawn from the backplane bus?\n\u003cul\u003e\n\u003cli\u003eThe module draws a continuous current load of 2.25 Amps at 5 Volts DC from the chassis backplane.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eWhat voltage level is required for the external controller power input?\n\u003cul\u003e\n\u003cli\u003eThe hardware operates using a dedicated 24 VDC external power supply input connected directly to the unit terminals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eHow is user program memory scaled on this specific hardware model?\n\u003cul\u003e\n\u003cli\u003eSystem memory supports configurable RAM capacity ranging from 64 MB up to 256 MB depending on application demands.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eAre firmware updates supported through network communication interfaces?\n\u003cul\u003e\n\u003cli\u003eYes, firmware flash compatibility allows system updates via connected programming terminals without replacing physical hardware components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eWhat environmental humidity range is permissible during operation?\n\u003cul\u003e\n\u003cli\u003eThe unit functions reliably within relative humidity levels spanning from 5% to 95% under non-condensing conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eHow should the unit be protected against extreme operating temperatures?\n\u003cul\u003e\n\u003cli\u003eEnsure adequate vertical clearance inside the electrical enclosure to permit continuous natural convection cooling across the module housing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066410586285,"sku":"1747OC-EBCBA","price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1747OC-EBCBA-0.jpg?v=1785929627","url":"https:\/\/www.maxwellplc.com\/ru\/products\/1747oc-ebcba-allen-bradley-open-controller-cpu-slc-500","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}