{"product_id":"honeywell-900r12r-0200-controledge-hc900-series-12-slot-redundant-rack","title":"Honeywell 900R12R-0200 ControlEdge HC900 Series 12-Slot Redundant Rack","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 900R12R-0200\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e900R12R-0200\u003c\/strong\u003e PLC Rack, operates as a dedicated hardware component for multi-module physical housing and backplane signal routing within ControlEdge HC900 DCS\/PLC networks. It features a 12-slot physical backplane architecture designed to host CPU controllers, power supplies, and high-density I\/O expansion modules while supporting dual power supply redundancy.\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\u003e900R12R-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\u003e5252 grams (approx. 11.58 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e683.3 mm x 137.0 mm x 151.7 mm (26.9 in x 5.4 in x 6.0 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +60 deg C (32 deg F to +140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBackplane passive routing (Power determined by installed modules)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlot Count\u003c\/td\u003e\n\u003ctd\u003e12 Module Slots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Configuration\u003c\/td\u003e\n\u003ctd\u003eRedundant Power Supply Support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Mounting\u003c\/td\u003e\n\u003ctd\u003eStandard Panel Mount \/ Chassis Mount\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 \u0026amp; Dynamic Backplane Isolation\u003c\/h3\u003e\n\u003cp\u003eThe Honeywell 900R12R-0200 rack backplane routes high-speed digital communications and differential analog measurement signals between installed I\/O cards and the central controller. It supports multi-channel analog input modules processing 4-20 mA HART loop protocol field telemetry for integration into distributed control system (DCS) architectures. The rack chassis architecture maintains robust channel-to-channel isolation and galvanic isolation barriers between the internal DC logic buses, field wiring terminals, and external ground paths, suppressing common-mode electrical noise across industrial control cabinets.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 900R12R-0200 rack support hot-swapping of power supply modules and I\/O cards?\u003c\/p\u003e\n\u003cp\u003eA: Yes. Under redundant power configuration, primary or backup power supply modules and standard field I\/O cards can be replaced while the backplane remains energized without interrupting ongoing control logic execution.\u003c\/p\u003e\n\u003cp\u003eQ: What is the mechanical slot allocation for redundant power supplies on this 12-slot chassis?\u003c\/p\u003e\n\u003cp\u003eA: The chassis features dedicated left-hand mounting locations for dual power supply modules, reserving all 12 primary backplane slots exclusively for processing modules and I\/O expansion units.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the 900R12R-0200 rack chassis vertically on a rigid, flat panel inside a grounded NEMA or IP-rated enclosure using standard mounting hardware to ensure adequate mechanical stability.\u003c\/li\u003e\n\u003cli\u003eMaintain a minimum clearance of 50 mm (2.0 in) above and below the rack chassis to enable proper convective airflow and thermal dissipation across active modules.\u003c\/li\u003e\n\u003cli\u003eEstablish a low-impedance earth ground connection by bonding the chassis grounding lug directly to the main cabinet ground bus using heavy-gauge braided copper strap.\u003c\/li\u003e\n\u003cli\u003eRoute field I\/O wiring, 4-20 mA HART loop cables, and high-voltage AC power lines through separate wire ducts to eliminate electromagnetic cross-talk and preserve backplane signal integrity.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45434988658803,"sku":"900R12R-0200","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/900R12R-0200_a5d5ef72-6e02-4657-8662-6bbbc83453de.png?v=1788319796","url":"https:\/\/www.dcssupplier.com\/products\/honeywell-900r12r-0200-controledge-hc900-series-12-slot-redundant-rack","provider":"DcsSupplier Limited","version":"1.0","type":"link"}