{"product_id":"tu921s-3kde175111l9210-abb-advant-s900-i-o-series-redundant-termination-unit","title":"TU921S 3KDE175111L9210 ABB Advant S900 I\/O Series Redundant Termination Unit","description":"\u003cp\u003eConfigured for redundant I\/O termination and communication routing in the Advant S900 I\/O system, the \u003cstrong\u003eABB TU921S 3KDE175111L9210\u003c\/strong\u003e (\u003cstrong\u003eTU921S\u003c\/strong\u003e Redundant Termination Unit) provides physical termination for up to 16 I\/O modules with redundancy and hot configuration functions.\u003c\/p\u003e\n\u003ch3\u003eModel Identification\u003c\/h3\u003e\n\u003cp\u003eThe TU921S is identified by the following ordering references:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBase Model: TU921S\u003c\/li\u003e\n\u003cli\u003eFull Part Number: 3KDE175111L9210\u003c\/li\u003e\n\u003cli\u003eProduct Type: Redundant Termination Unit\u003c\/li\u003e\n\u003cli\u003eSystem: ABB Advant S900 I\/O\u003c\/li\u003e\n\u003cli\u003eSupported I\/O Capacity: Up to 16 I\/O modules\u003c\/li\u003e\n\u003cli\u003eSpare Model: 3KDE175111L9210\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\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\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eTU921S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e3KDE175111L9210\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eAdvant S900 I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eRedundant Termination Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTermination Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 16 I\/O modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003ePower and communication redundancy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eHot configuration in run\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHot Swap\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eExtended diagnostics and auto-diagnostics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration Interface\u003c\/td\u003e\n\u003ctd\u003eFDT\/DTM support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating\u003c\/td\u003e\n\u003ctd\u003eG3 coating for all components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATEX Certification\u003c\/td\u003e\n\u003ctd\u003eSuitable for installation in Zone 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.96 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e49.8 x 27.3 x 6.8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified in supplied data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified in supplied data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff Code\u003c\/td\u003e\n\u003ctd\u003e8537101190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control and I\/O Architecture\u003c\/h3\u003e\n\u003cp\u003eThe TU921S is designed for ABB Advant S900 I\/O installations where redundant power and communication paths are required. Its termination architecture supports connection of up to 16 I\/O modules and allows configuration changes while the system remains in operation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRedundant power and communication paths support system-level availability requirements.\u003c\/li\u003e\n\u003cli\u003eHot configuration in run permits configuration activities without a complete system shutdown.\u003c\/li\u003e\n\u003cli\u003eHot swap functionality supports module replacement procedures where the overall system architecture permits live maintenance.\u003c\/li\u003e\n\u003cli\u003eFDT\/DTM integration provides a standardized method for configuration and diagnostic access.\u003c\/li\u003e\n\u003cli\u003eExtended diagnostics and auto-diagnostics assist with identification of termination and communication-related conditions.\u003c\/li\u003e\n\u003cli\u003eG3 coating is specified for all components.\u003c\/li\u003e\n\u003cli\u003eATEX certification supports installation requirements for Zone 1 environments when the complete installation complies with the applicable certification and system conditions.\u003c\/li\u003e\n\u003cli\u003eThe termination unit provides the physical interface for up to 16 I\/O modules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x ABB TU921S Redundant Termination Unit\u003c\/li\u003e\n\u003cli\u003ePart Number: 3KDE175111L9210\u003c\/li\u003e\n\u003cli\u003eSpare Model: 3KDE175111L9210\u003c\/li\u003e\n\u003cli\u003eI\/O modules are not included unless separately specified.\u003c\/li\u003e\n\u003cli\u003eAdditional mounting or system accessories are not identified in the supplied product data.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003ch4\u003eMounting and Mechanical Installation\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the termination unit according to the Advant S900 system installation documentation.\u003c\/li\u003e\n\u003cli\u003eVerify mechanical alignment before connecting I\/O modules or field wiring.\u003c\/li\u003e\n\u003cli\u003eEnsure the mounting structure supports the 2.96 kg unit and connected wiring.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate clearance for module removal and hot-swap maintenance procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWiring and Signal Routing\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRoute power, communication, and field signal wiring according to the system installation requirements.\u003c\/li\u003e\n\u003cli\u003eKeep communication wiring separated from high-energy power conductors where practical.\u003c\/li\u003e\n\u003cli\u003eUse appropriate cable shielding and connect shields according to the plant grounding concept.\u003c\/li\u003e\n\u003cli\u003eAvoid excessive cable bending or mechanical stress at termination points.\u003c\/li\u003e\n\u003cli\u003eConfirm all terminal assignments before energizing the system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eRedundant Configuration\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eVerify both redundant power and communication paths before placing the system into service.\u003c\/li\u003e\n\u003cli\u003eCheck diagnostic indications after installation and following any module replacement.\u003c\/li\u003e\n\u003cli\u003eConfirm that redundancy is maintained after wiring modifications or hot-swap procedures.\u003c\/li\u003e\n\u003cli\u003ePerform functional checks using the applicable Advant S900 engineering and diagnostic tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the TU921S support redundant power?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The supplied data specifies power redundancy as a supported function. The complete system configuration must provide the corresponding redundant power architecture.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the TU921S support redundant communication?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Communication redundancy is specified for the TU921S. The actual redundancy behavior depends on the connected S900 I\/O system configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow many I\/O modules can the TU921S terminate?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe TU921S is specified as a termination unit for up to 16 I\/O modules. The supported module combinations must follow the applicable S900 system configuration rules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the TU921S be configured while running?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The product information specifies hot configuration in run, allowing supported configuration activities without stopping normal system operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the TU921S support hot swapping?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Hot swap functionality is specified. Live replacement must follow the applicable S900 installation and maintenance procedures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat diagnostic functions are available?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe unit provides extended diagnostics and auto-diagnostics. FDT\/DTM support is also specified for configuration and diagnostic access.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the TU921S suitable for Zone 1 installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe supplied data specifies ATEX certification for installation in Zone 1. Certification conditions must be verified against the complete installation before use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat environmental coating is specified?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eG3 coating is specified for all components. This coating designation should be considered together with the actual installation environment and applicable system documentation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46021157519533,"sku":"3KDE175111L9210","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/TU921S_145.jpg?v=1784538952","url":"https:\/\/www.maxwellplc.com\/products\/tu921s-3kde175111l9210-abb-advant-s900-i-o-series-redundant-termination-unit","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}