{"product_id":"900c52-0021-honeywell-hc900-cpu-new-original-stock","title":"900C52-0021 Honeywell HC900 CPU - New \u0026 Original Stock","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell 900C52-0021\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erepresents the primary processing intelligence of the HC900 Process Automation System. This C50 CPU module executes complex regulatory control, high-speed logic, and sequential operations within a single hardware platform. It serves as the central node for plant-wide data integration, bridging field-level I\/O with supervisory networks via high-speed communication ports. We supply this module as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New in original packaging\u003c\/strong\u003e, ensuring total hardware reliability for critical chemical, power, and water treatment applications.\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\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e900C52-0021\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProcessor Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHC900 C50 Central Processing Unit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eI\/O Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSupports 900R08 (8-slot) and 900R12 (12-slot) Racks\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication Ports\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDual Ethernet (Modbus TCP\/IP) and RS485 Serial (Modbus RTU)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMemory Architecture\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNon-volatile flash memory for secure program retention\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC (Supplied via backplane)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.8 cm x 14.0 cm x 14.7 cm (1.5\" x 5.5\" x 5.8\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Environment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIndustrial-grade thermal and EM resistance\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUnited States (USA)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUnified Control Architecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module eliminates the need for separate PLC and PID controllers. It manages analog loops and discrete logic simultaneously, reducing hardware overhead and simplifying system synchronization.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeamless Network Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDual Ethernet ports facilitate redundant communication paths. The module utilizes Modbus TCP\/IP protocols to stream real-time process data to HMIs, SCADA systems, or enterprise-level databases without requiring proprietary gateways.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Data Integrity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNon-volatile memory safeguards your control strategies against unexpected power loss. The CPU automatically reloads the application program upon restart, preventing process variables from drifting into unsafe states.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Scalability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe C50 processor handles extensive I\/O expansion across multiple racks. This scalability allows engineers to expand plant capacity by adding I\/O modules without replacing the core CPU architecture.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 900C52-0021 require specific software for programming?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. You must use\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell HC Designer\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esoftware to configure control loops, logic blocks, and communication parameters for the 900C52-0021.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan this CPU module replace an older C30 or C50 variant?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 900C52-0021 is a standard C50 module. While it often serves as a direct replacement for same-series modules, always verify your current firmware version and rack compatibility before installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the CPU handle communication failure?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 900C52-0021 features built-in diagnostics. You can configure \"Fail-Safe\" states for all connected I\/O, ensuring the process moves to a predetermined safe condition if a network or CPU error occurs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this unit a refurbished or \"pull\" part?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. We guarantee this 900C52-0021 is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New, factory-sealed\u003c\/strong\u003e, and has never been commissioned in a live environment. It carries a full 12-month warranty.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":43213262225498,"sku":"900C52-0021","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/465_f381a41f-ec7b-416a-8569-9f14763a9eed.jpg?v=1776132491","url":"https:\/\/www.spareoil.com\/products\/900c52-0021-honeywell-hc900-cpu-new-original-stock","provider":"SpareOil Automation","version":"1.0","type":"link"}