{"product_id":"7400028-100-triconex-tricon-15-slot-expansion-chassis","title":"Triconex 7400028-100 (Model 8101) 15-Slot Expansion Chassis","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Triconex 7400028-100, also designated as Model 8101, is a high-capacity 15-slot expansion chassis engineered for the Triconex Triple Modular Redundancy (TMR) safety system. This industrial-grade rack is designed to scale I\/O density in mission-critical environments, including oil refineries, petrochemical plants, and power generation facilities. It provides a ruggedized physical and electrical foundation for redundant I\/O modules, ensuring seamless data integration across the expansion bus. The robust backplane architecture is built to maintain system integrity under demanding thermal and electrical conditions, supporting high plant availability.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e15-slot configuration for high-density I\/O expansion.\u003c\/li\u003e\n\u003cli\u003eSupports high-speed communication with the Main Processor (MP) via the I\/O expansion bus.\u003c\/li\u003e\n\u003cli\u003eDual-power rail distribution supporting redundant power supply modules.\u003c\/li\u003e\n\u003cli\u003ePassive backplane design to minimize active components and improve MTBF.\u003c\/li\u003e\n\u003cli\u003ePhysical slot keying to prevent incorrect module insertion.\u003c\/li\u003e\n\u003cli\u003eSupports hot-swapping of modules for online maintenance without interrupting safety functions or process control loops.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThe 7400028-100 expansion chassis is utilized in safety-instrumented systems (SIS) where high availability and fault tolerance are required. It is commonly deployed in emergency shutdown systems (ESD), burner management systems (BMS), and critical process control loops where TMR architecture is mandatory.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e7400028-100 (Model 8101)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlot Count\u003c\/td\u003e\n\u003ctd\u003e15 Slots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 to 120 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e2 to 10 Amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the chassis is mounted in a clean, dry, and vibration-free environment within a standard industrial cabinet.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate clearance around the chassis to allow for proper airflow and cooling.\u003c\/li\u003e\n\u003cli\u003eUse ESD-safe handling procedures when inserting or removing modules to prevent damage to sensitive backplane components.\u003c\/li\u003e\n\u003cli\u003eVerify that power supply modules are correctly seated and secured before applying input voltage.\u003c\/li\u003e\n\u003cli\u003eEnsure all grounding connections are secure to minimize EMI and maintain signal integrity.\u003c\/li\u003e\n\u003cli\u003eAlways power down the specific slot or follow established hot-swap procedures as defined in the Triconex system manual before module replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs this chassis compatible with all Triconex I\/O modules?\u003c\/h3\u003e\u003cp\u003eThe 7400028-100 is designed for the Triconex TMR system. While it supports a wide range of standard I\/O modules, always verify the specific module compatibility and slot requirements against your system's configuration documentation.\u003c\/p\u003e\u003ch3\u003eDoes this chassis support redundant power supplies?\u003c\/h3\u003e\u003cp\u003eYes, the chassis features dual-power rail distribution specifically designed to accommodate redundant power supply modules for high-availability applications.\u003c\/p\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":50740531331324,"sku":"7400028-100","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_259fa1ac-aa5e-49ae-9b6d-9adbc1392d79.jpg?v=1785412308","url":"https:\/\/www.electronicplc.com\/ar\/products\/7400028-100-triconex-tricon-15-slot-expansion-chassis","provider":"Electronic PLC","version":"1.0","type":"link"}