{"product_id":"1756-l64-allen-bradley-controllogix-logix5564-processor-16mb-controller","title":"1756-L64 Allen-Bradley ControlLogix Logix5564 Processor | 16MB Controller","description":"\u003ch3\u003eSystem Architecture Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cstrong\u003e1756-L64\u003c\/strong\u003e\u003c\/strong\u003e is a high-performance Logix5564 controller engineered by \u003cstrong\u003e\u003cstrong\u003eAllen-Bradley\u003c\/strong\u003e\u003c\/strong\u003e (Rockwell Automation) within the \u003cstrong\u003e\u003cstrong\u003eControlLogix\u003c\/strong\u003e\u003c\/strong\u003e automation platform. Equipped with 16 MB of non-volatile user memory and 478 KB of I\/O memory, this processor orchestrates complex, large-scale plant networks. Global PLC Spare HUB's Insight highlights that pairing this module with a 1764-CF128 CompactFlash card ensures robust non-volatile data backup during extended facility maintenance outages.\u003c\/p\u003e\n\u003ch3\u003eConfiguration Tree Structure\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Controller: 1756-L64\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eUser Memory Allocation: 16 Megabytes dedicated for user logic, tags, and data structures\u003c\/li\u003e\n\u003cli\u003eI\/O Memory Capacity: 478 Kilobytes configured for high-speed discrete and analog data exchange\u003c\/li\u003e\n\u003cli\u003eSystem I\/O Limits: Supports up to 128,000 digital I\/O points and 4,000 analog I\/O points\u003c\/li\u003e\n\u003cli\u003eChassis Compatibility: Operates exclusively within 1756-A4, 1756-A7, 1756-A10, 1756-A13, and 1756-A17 backplanes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specification Matrix\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePerformance Parameter\u003c\/th\u003e\n\u003cth\u003eEngineering Specification Detail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand and Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e\u003cstrong\u003eAllen-Bradley\u003c\/strong\u003e\u003c\/strong\u003e \/ Rockwell Automation \u003cstrong\u003e\u003cstrong\u003e1756-L64\u003c\/strong\u003e\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Series \u0026amp; Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003ca href=\"https:\/\/www.plcsparehub.com\/collections\/allen-bradley-1756-controllogix\"\u003e\u003cstrong\u003e\u003cstrong\u003eControlLogix\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/a\u003e Standard Processor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Current Draw\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1200 mA at 5.1V DC, 14 mA at 24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower \u0026amp; Thermal Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5 Watts power dissipation; 11.9 BTU per hour thermal output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0°C to 60°C ambient operating range (-40°C to 85°C storage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Networks\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEtherNet\/IP, ControlNet, DeviceNet, DH+, and DF1 serial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDiagnostic Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFront-panel indicator LEDs provide immediate status tracking for controller health, battery backup voltage, and communication network traffic.\u003c\/li\u003e\n\u003cli\u003eSupports full controller redundancy configurations to detect primary rack failures and switchover seamlessly.\u003c\/li\u003e\n\u003cli\u003eBuilt-in diagnostic routines monitor backplane isolation voltage limits (30V continuous \/ 720V DC dielectric test).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation and Commissioning Guidelines\u003c\/h3\u003e\n\u003cdiv\u003eInsert the processor into any slot within compatible 1756 ControlLogix chassis backplanes.\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eReplace the internal coin cell power unit exclusively with the 1756-BA2 lithium battery when prompted by low-voltage diagnostics.\u003c\/li\u003e\n\u003cli\u003eEnsure surrounding cabinet temperature does not exceed the 60°C maximum rating to prevent premature thermal throttling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEquipment Compatibility and Application Scenarios\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnterprise-wide continuous process manufacturing plants requiring redundant controller architecture.\u003c\/li\u003e\n\u003cli\u003eHigh-density discrete assembly lines managing up to 128,000 I\/O points.\u003c\/li\u003e\n\u003cli\u003eHeavy industrial infrastructure integrating legacy Data Highway Plus and modern EtherNet\/IP networks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLogistics and Warranty Terms\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFully backed by a standard 12-month manufacturing defect warranty.\u003c\/li\u003e\n\u003cli\u003eExpress 24 to 48-hour order dispatch via secure global couriers: \u003cstrong\u003eFedEx\u003c\/strong\u003e, \u003cstrong\u003eUPS\u003c\/strong\u003e, and \u003cstrong\u003eDHL\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What specific memory card model is compatible with the 1756-L64 processor?\u003c\/strong\u003e\u003cbr\u003eA: The only officially supported non-volatile memory expansion card for this controller is the 128 MB 1764-CF128 CompactFlash model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many total controller connections can this processor handle concurrently?\u003c\/strong\u003e\u003cbr\u003eA: The controller is engineered to support a maximum limit of 250 active controller connections across linked industrial networks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What safety precautions are necessary when replacing the internal battery?\u003c\/strong\u003e\u003cbr\u003eA: Technicians must replace the unit strictly with a 1756-BA2 lithium battery while observing proper electrostatic discharge (ESD) grounding procedures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does project scan time compare between the 1756-L64 and other L6x controllers?\u003c\/strong\u003e\u003cbr\u003eA: Due to its larger 16MB memory capacity structure, projects loaded onto the 1756-L64 may exhibit slightly slower scan times compared to smaller memory variants running identical logic.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What buying factors should engineers evaluate when upgrading to this processor?\u003c\/strong\u003e\u003cbr\u003eA: Verify that your existing chassis backplane power supply can support the 1200 mA current draw at 5.1V DC alongside your other installed I\/O modules.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45013809299638,"sku":"1756-L64","price":141.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1756-L64-3.jpg?v=1789373114","url":"https:\/\/www.plcsparehub.com\/products\/1756-l64-allen-bradley-controllogix-logix5564-processor-16mb-controller","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}