{"product_id":"honeywell-900rr0-0001-cpu-rack","title":"Honeywell 900RR0-0001 CPU Rack","description":"\u003ch2\u003eHoneywell 900RR0-0001 CPU Rack\u003c\/h2\u003e\n\u003cp\u003eConfigured for redundant CPU execution in HC900 hybrid controller systems, the \u003cstrong\u003eHoneywell 900RR0-0001\u003c\/strong\u003e (\u003cstrong\u003e900RR0-0001\u003c\/strong\u003e CPU rack) provides direct mechanical and electrical mounting for dual controller modules and associated I\/O assemblies.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003e900RR0-0001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eApprox. 3.79 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003eRack-mounted form factor (HC900 cabinet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temp\u003c\/th\u003e\n\u003ctd\u003e0 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Consumption\u003c\/th\u003e\n\u003ctd\u003ePassive distribution via HC900 power module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCore Function\u003c\/th\u003e\n\u003ctd\u003eHouses redundant CPUs and modular I\/O cards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol\u003c\/h3\u003e\n\u003cp\u003eThe rack supports integration of HC900 modules that utilize \u003cstrong\u003e4-20 mA HART loop protocol\u003c\/strong\u003e for process variable transmission. This ensures compatibility with hybrid control environments where analog signal conditioning and digital diagnostics coexist. Channel-to-channel isolation is maintained across the backplane, preventing interference between redundant CPUs and distributed I\/O modules.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 900RR0-0001 rack allow hot-swap of CPU modules? A: CPU modules can be replaced while power remains applied; redundancy firmware determines switchover behavior.\u003c\/p\u003e\n\u003cp\u003eQ: How is backplane current distributed in redundant configurations? A: The rack itself does not consume active current; regulated DC is distributed from the HC900 power supply module across CPU and I\/O slots.\u003c\/p\u003e\n\u003cp\u003eQ: Is firmware upgrade compatibility affected by rack design? A: No, firmware compatibility is determined by CPU module architecture; the rack provides only physical and electrical interconnect.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the rack within the HC900 cabinet using designated rail supports.\u003c\/li\u003e\n\u003cli\u003eEnsure shielded cables are properly grounded at a single point to minimize noise coupling.\u003c\/li\u003e\n\u003cli\u003eMaintain clearance for airflow around CPU modules to prevent localized heating.\u003c\/li\u003e\n\u003cli\u003eVerify redundant CPU slot alignment before insertion to avoid connector stress.\u003c\/li\u003e\n\u003cli\u003eFollow standard industrial wiring practices: segregate analog and digital signal routing, and secure field wiring to prevent vibration-induced loosening.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49507498819843,"sku":"900RR0-0001","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/7995\/4179\/files\/24ee17ec4d1fa3cf8a174ed2bb057bd4_d48f67b5-9e33-4735-84bd-d85893240d53.jpg?v=1697199791","url":"https:\/\/www.runtoelectronic.com\/products\/honeywell-900rr0-0001-cpu-rack","provider":"Runto Electric","version":"1.0","type":"link"}