{"product_id":"honeywell-12-sbus-sbus-series","title":"Honeywell 12-SBUS SBUS Series","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 12-SBUS\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e12-SBUS\u003c\/strong\u003e Rack-Mounted Chassis, operates as a dedicated hardware component for mechanical support and electrical backplane routing of active modules within SBUS network 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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12-SBUS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e580 mm x 450 mm x 240 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePassive backplane (Power distribution only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChassis Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 module slots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Standard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19-inch standard industrial rack mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial Construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChrome-finished high-tensile steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Integration and DCS Interface\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA HART Loop Protocol Pathing\u003c\/strong\u003e: The passive backplane bus integrated into the chassis routes multi-channel analog signals, maintaining clean shielding lines to prevent interference with parallel high-frequency HART communications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-Channel Isolation Protection\u003c\/strong\u003e: Provides the physical structural separation necessary to isolate individual SBUS input\/output modules, ensuring localized electrical faults on one card slot do not propagate through adjacent slots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold Junction Compensation (CJC) Stability\u003c\/strong\u003e: The heavy chrome-finished steel enclosure provides a thermally stable mass, reducing localized ambient temperature fluctuations across adjacent slots to preserve the accuracy of CJC calculations on installed thermocouple cards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 12-SBUS chassis backplane contain active microprocessors?\u003c\/p\u003e\n\u003cp\u003eA: No. The backplane inside the 12-SBUS is completely passive. It contains no active microprocessors or logic gates, which increases system reliability by eliminating potential electronic failure points.\u003c\/p\u003e\n\u003cp\u003eQ: Can modules be hot-swapped in this chassis?\u003c\/p\u003e\n\u003cp\u003eA: The physical structural guides support sliding replacement, but hot-swap capability is strictly determined by the specific SBUS active module inserted into the slot. Consult the dynamic I\/O card specifications before executing live extraction.\u003c\/p\u003e\n\u003cp\u003eQ: How is backplane power distributed across the 12 slots?\u003c\/p\u003e\n\u003cp\u003eA: Power is routed via heavy copper traces integrated into the backplane circuit board, supplied from redundant system power modules located in designated power slots.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding Straps\u003c\/strong\u003e: Prior to mounting the chassis into a 19-inch cabinet, connect the dedicated copper grounding bolt located at the rear of the steel frame to the primary cabinet ground bus bar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirflow Clearances\u003c\/strong\u003e: To maintain passive convection cooling, ensure a minimum of 50 mm clearance is preserved above and below the chassis assembly inside the enclosure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Routing\u003c\/strong\u003e: Secure all field signal wiring using the integrated front cable guides. Avoid routing low-voltage SBUS signal lines in parallel with heavy AC power distribution cables in the same wire duct.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":48170768498878,"sku":"12-SBUS","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-07-17_17-47-49.png?v=1784281864","url":"https:\/\/www.autooiltech.com\/products\/honeywell-12-sbus-sbus-series","provider":"AutoOilTech Limited","version":"1.0","type":"link"}