{"product_id":"honeywell-900r08-0300-plc-8-slots-i-o-rack","title":"Honeywell 900R08-0300 PLC 8 Slots I\/O Rack","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 900R08-0300\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e900R08-0300\u003c\/strong\u003e I\/O Rack, operates as a dedicated hardware component for module mounting and backplane signal routing within ControlEdge HC900 industrial automation platforms.\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\u003e900R08-0300\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\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e9.2 cm x 5.5 cm x 12.8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eIndustrial Standard Temperature Limits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive backplane hardware component (0 W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Slots\u003c\/td\u003e\n\u003ctd\u003e8 I\/O module slots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Class\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eControlEdge HC900 I\/O modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHoneywell DCS Process Control and Loop Isolation\u003c\/h3\u003e\n\u003cp\u003eIntegrated within Honeywell ControlEdge HC900 distributed control environments, the 900R08-0300 rack secures up to eight modular cards while maintaining backplane communication paths and power distribution. While field instrumentation frequently relies on 4-20 mA HART loop protocol or FOUNDATION Fieldbus connectivity to convey process variables, the rack backplane manages deterministic data exchange between installed I\/O modules and the central controller. Built-in channel isolation boundaries and enclosure shielding prevent ground loops and high-frequency electromagnetic interference from corrupting sensitive signal loops across industrial cabinets.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can I\/O modules be inserted or extracted while the 900R08-0300 rack is powered and active?\u003c\/p\u003e\n\u003cp\u003eA: Hot-swapping modules under live backplane power is subject to specific controller configuration rules; always verify that individual module types support live insertion to prevent bus communication faults.\u003c\/p\u003e\n\u003cp\u003eQ: What environmental protection rating does the rack housing maintain inside control panels?\u003c\/p\u003e\n\u003cp\u003eA: The chassis provides an IP20 protection class rating, requiring installation inside a sealed industrial enclosure to protect against dust and moisture ingress.\u003c\/p\u003e\n\u003cp\u003eQ: How does the backplane ensure signal integrity across all eight module slots?\u003c\/p\u003e\n\u003cp\u003eA: Internal printed circuit bus traces utilize low-impedance routing and ground planes to suppress crosstalk and electromagnetic interference between adjacent card slots.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the 8-slot rack securely onto a flat panel or standard DIN-rail using all designated mounting points to withstand industrial vibration profiles.\u003c\/li\u003e\n\u003cli\u003eEnsure adequate clearance above and below the rack chassis to maintain proper thermal dissipation across operating cycles.\u003c\/li\u003e\n\u003cli\u003eInspect backplane connector pins for dust, bending, or particulate contamination prior to inserting expansion modules.\u003c\/li\u003e\n\u003cli\u003eVerify that module locking latches are fully engaged to guarantee continuous backplane bus connection and power delivery.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":67893383954728,"sku":"900R08-0300","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/900R08-0300.png?v=1791965789","url":"https:\/\/www.powerdcs.com\/es\/products\/honeywell-900r08-0300-plc-8-slots-i-o-rack","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}