{"product_id":"abb-advant-s900-i-o-tu921s-3kde175111l9210-redundant-termination-unit","title":"ABB TU921S 3KDE175111L9210 Advant S900 Redundant Termination Unit","description":"\u003cp\u003eThe ABB TU921S (3KDE175111L9210) is a high-performance redundant termination unit designed for the Advant S900 I\/O system. This unit provides a robust interface for up to 16 I\/O modules, supporting critical industrial processes that require high availability and fault tolerance.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupports redundancy for both power and communication paths to ensure system uptime.\u003c\/li\u003e\n\u003cli\u003eDesigned for installation in hazardous areas with ATEX certification for Zone 1.\u003c\/li\u003e\n\u003cli\u003eFeatures Hot Swap functionality and Hot Configuration in Run, allowing for maintenance without process interruption.\u003c\/li\u003e\n\u003cli\u003eEquipped with G3 conformal coating on all components for enhanced environmental protection.\u003c\/li\u003e\n\u003cli\u003eAdvanced diagnostic capabilities accessible via FDT\/DTM for simplified troubleshooting and maintenance.\u003c\/li\u003e\n\u003cli\u003eIntegrated auto-diagnostics to reduce downtime and simplify system health monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThe TU921S is primarily used in process automation environments where S900 I\/O systems are deployed, such as chemical, petrochemical, and power generation plants. Its redundant architecture makes it suitable for safety-critical loops and high-availability control applications.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003eTU921S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrder Code\u003c\/td\u003e\n\u003ctd\u003e3KDE175111L9210\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Protection\u003c\/td\u003e\n\u003ctd\u003eG3 Coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eATEX Zone 1\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\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the unit is mounted in a clean, dry, and vibration-free environment suitable for its IP rating.\u003c\/li\u003e\n\u003cli\u003eVerify that the power supply is disconnected before installing or removing any I\/O modules from the termination unit.\u003c\/li\u003e\n\u003cli\u003eUse shielded cabling for communication lines to minimize electromagnetic interference (EMI) in industrial environments.\u003c\/li\u003e\n\u003cli\u003eEnsure proper grounding of the termination unit chassis to the system common ground to maintain signal integrity and safety.\u003c\/li\u003e\n\u003cli\u003eFollow standard ESD (Electrostatic Discharge) handling procedures when touching internal components or connectors.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDoes this unit support hot-swapping?\u003c\/strong\u003e\u003cbr\u003eYes, the TU921S supports hot-swap functionality, allowing you to replace modules while the system is running.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this unit suitable for hazardous locations?\u003c\/strong\u003e\u003cbr\u003eYes, the TU921S is ATEX certified for installation in Zone 1 hazardous areas.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many I\/O modules can be connected to this unit?\u003c\/strong\u003e\u003cbr\u003eThis termination unit is designed to accommodate up to 16 S900 I\/O modules.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":50956734628092,"sku":"TU921S 3KDE175111L9210","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_f8640c1f-2904-4bc5-b185-48546ceec3b2.jpg?v=1786320538","url":"https:\/\/www.electronicplc.com\/es\/products\/abb-advant-s900-i-o-tu921s-3kde175111l9210-redundant-termination-unit","provider":"Electronic PLC","version":"1.0","type":"link"}