{"product_id":"new-honeywell-900c73r-0000-41-redundant-module-global-shipping","title":"New Honeywell 900C73R-0000-41 Redundant Module | Global Shipping","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell 900C73R-0000-41\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as the high-availability core for the HC900 Process Automation System. This redundant CPU module integrates advanced logic, sequencing, and process control with a dedicated 2-port scanning interface for remote I\/O management. Specifically engineered for mission-critical environments, it facilitates automatic failover between primary and backup controllers to prevent process downtime. We supply this module as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein factory packaging, providing the necessary hardware layer for chemical, power generation, and water treatment facilities that demand zero-interruption operations.\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\u003e900C73R-0000-41\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRedundant CPU \/ I\/O Scanner\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\u003e2-Port (Ethernet Modbus TCP\/IP, Serial Modbus RTU)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFunctionality\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eProcess Control, Logic, Sequencing, Redundancy Switchover\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRedundancy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAutomatic failover with synchronized memory\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMemory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNon-volatile flash for program and state storage\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC (Backplane supplied)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.65 lbs (Module net)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDIN Rail within 900R08 or 900R12 Racks\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\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\u003eHigh-Availability Architecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 900C73R-0000-41 executes a seamless redundancy switchover. By maintaining constant synchronization between the primary and secondary CPUs, the backup module assumes control instantly upon detecting a hardware or communication fault in the lead unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConsolidated Control \u0026amp; Scanning:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module eliminates the need for separate scanner and CPU hardware. It manages local rack logic while simultaneously scanning remote I\/O racks through its high-speed ports, optimizing rack space and reducing system latency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Data Integrity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated non-volatile memory ensures that your control strategies, setpoints, and historical synchronization data remain intact during total power loss. This prevents the need for manual site recalibration after a blackstart.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRugged EMI Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBuilt for the factory floor, the module features advanced galvanic isolation. This shielding prevents electrical transients and high-frequency interference from disrupting the sensitive logic circuits, ensuring stable operation in heavy industrial zones.\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\u003eHow does the redundancy switchover work in the 900C73R-0000-41?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module uses a dedicated peer-to-peer link to mirror its internal state to a secondary module. If the primary unit fails a diagnostic check, the secondary unit takes over the 2-port I\/O scanning and logic execution without bumping the process variables.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require specific firmware?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Redundant HC900 systems require synchronized firmware versions between the primary and backup 900C73R modules. Always verify your current software revision in Honeywell HC Designer before commissioning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this module to replace a non-redundant C50 or C70 CPU?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 900C73R is specifically for redundant configurations. While it shares many logic capabilities with standard CPUs, its 2-port scanner hardware is optimized for high-availability distributed I\/O.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the condition of this unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe guarantee this\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e900C73R-0000-41\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand ships in its original factory-sealed box. It includes our professional 12-month warranty to ensure long-term reliability in your DCS environment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":43213634011226,"sku":"900C73R-0000-41","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/466_9d300858-41a6-4b0a-99e1-6c931c138e23.jpg?v=1776135810","url":"https:\/\/www.spareoil.com\/products\/new-honeywell-900c73r-0000-41-redundant-module-global-shipping","provider":"SpareOil Automation","version":"1.0","type":"link"}