{"product_id":"8120e-triconex-enhanced-performance-main-chassis","title":"8120E | Triconex | Enhanced Performance Main Chassis","description":"\u003ch1\u003eTriconex 8120E Enhanced Performance Main Chassis\u003c\/h1\u003e\n\u003cp\u003eConfigured for high-integrity Safety Instrumented Systems (SIS), the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTriconex 8120E\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e8120E\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnhanced Performance Main Chassis) provides direct physical\/electrical execution. The 19-slot chassis hardware houses three main processors and integrated I\/O modules, maintaining continuous diagnostic coverage across emergency shutdown (ESD) and critical safety loops.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8120E\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTriconex\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24.5 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e483 mm wide x 578 mm high (19-inch rack mount)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-20 deg C to +70 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDual redundant 24 VDC (20-30 VDC range) or 100-240 VAC (50\/60 Hz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSystem Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e19 modular card slots\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIngress Protection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP30 (intended for indoor cabinet mounting)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBackplane Bus\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1000 Mbps TriBus inter-processor bus; triple RS-485 I\/O bus\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIsolation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGalvanic isolation across internal distribution rails (5 VDC \/ 24 VDC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSIL3 Certification \u0026amp; Triple Modular Redundancy (TMR) Architecture\u003c\/h3\u003e\n\u003cp\u003eThe 8120E chassis provides the hardware foundation for SIL3-certified triple modular redundancy (TMR) applications. Three isolated power, logic, and bus channels run concurrently across the backplane, allowing the host system to execute 2oo3 (two-out-of-three) voting logic on all input signals and internal diagnostic states. Internal galvanic isolation barriers separate the field power lines from central processing buses, ensuring that single-point electrical faults or channel failures trigger immediate fail-safe state execution without causing system-wide shutdown.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the 8120E chassis backplane maintain fault isolation during module failure?\u003c\/p\u003e\n\u003cp\u003eA: The backplane features three completely separated signal and power distribution channels. Galvanic isolation and fault-tolerant TriBus architecture prevent an electrical short or hardware failure on one channel from propagating to the remaining two active channels.\u003c\/p\u003e\n\u003cp\u003eQ: Can modules installed in the 8120E chassis be replaced while power is applied?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the chassis supports full hot-swap capability for main processors, communication modules, and I\/O cards, allowing online module replacement without de-energizing the safety system or disrupting active 2oo3 voting loops.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMount the 8120E chassis securely into a standard 19-inch industrial rack enclosure, ensuring proper structural support for its 24.5 kg frame weight.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConnect dual redundant 24 VDC or 100-240 VAC power feeds to the chassis power terminal connections to maintain continuous power path fault tolerance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain adequate vertical ventilation space inside the cabinet to facilitate natural convection heat dissipation across installed modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBond the chassis ground lug directly to the central functional earth bar with a low-impedance copper conductor to prevent electromagnetic noise coupling onto backplane bus lines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":45889826652234,"sku":"8120E","price":540.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/8569\/3770\/files\/8110-420x280.png?v=1755053260","url":"https:\/\/www.topbrandsplc.com\/products\/8120e-triconex-enhanced-performance-main-chassis","provider":"Topbrands PLC Limited","version":"1.0","type":"link"}