{"product_id":"honeywell-900rr0-0200-controledge-hc900-redundant-controller-rack","title":"Honeywell 900RR0-0200 ControlEdge HC900 Redundant Controller Rack","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 900RR0-0200\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e900RR0\u003c\/strong\u003e Redundant Controller Rack, operates as a dedicated hardware component for housing dual redundant control processor modules within ControlEdge HC900 automation architectures. This assembly provides the physical mounting chassis, redundant power routing paths, and high-speed inter-processor bus links needed to maintain continuous CPU synchronization. The chassis establishes direct physical and electrical execution for bumpless failover operations across parallel processing units.\u003c\/p\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\u003e900RR0-0200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\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\u003e1.751 kg (1751 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e151.7 mm D x 261.6 mm W x 137 mm H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive chassis backplane bus assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRack Configuration\u003c\/td\u003e\n\u003ctd\u003eDual Redundant CPM Rack Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eControlEdge HC900 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e2.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation \u0026amp; Redundant Bus Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 900RR0-0200\u003c\/strong\u003e chassis architecture features internal backplane isolation channels designed to decouple control logic signals from power supply cross-talk. Ground distribution planes built directly into the backplane printed circuit board provide shielding against common-mode electrical transients and radio-frequency interference. Signal routing paths support continuous database mirroring between primary and backup CPUs, allowing full channel-to-channel isolation and structured communication without signal degradation across redundant system nodes.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can a single Control Processor Module (CPM) be replaced in the 900RR0-0200 rack while the primary controller is actively processing logic?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the redundant rack backplane supports Removal and Insertion Under Power (RIUP) for the secondary or standby CPU module, provided all grounding protocols and field wiring safety isolation precautions are strictly followed.\u003c\/p\u003e\n\u003cp\u003eQ: What mounting orientation is required for the 900RR0-0200 controller rack assembly?\u003c\/p\u003e\n\u003cp\u003eA: The rack must be mounted horizontally on a flat cabinet panel or enclosure frame to ensure proper vertical thermal convection air circulation through the installed power supplies and processing modules.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSecurely mount the 900RR0-0200 rack to the enclosure backpanel using standard mounting hardware to establish a solid physical frame anchor.\u003c\/li\u003e\n\u003cli\u003eConnect a low-impedance ground strap directly from the chassis grounding stud on the rack frame to the main protective earth (PE) busbar.\u003c\/li\u003e\n\u003cli\u003eMaintain a minimum clearance of 75 mm (3.0 inches) above and below the rack frame for unimpeded natural convective heat dissipation.\u003c\/li\u003e\n\u003cli\u003eInspect the backplane slot connectors for foreign debris or bent pins prior to inserting controller modules or power supplies.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53531533541685,"sku":"900RR0-0200","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/900RR0-0200_Cocoai.png?v=1789094801","url":"https:\/\/www.5gplc.com\/products\/honeywell-900rr0-0200-controledge-hc900-redundant-controller-rack","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}