{"product_id":"triconex-3850e-tmr-processor-module-sis-safety-controller","title":"Triconex 3850E TMR Processor Module SIS Safety Controller","description":"\u003ch2\u003eTriconex 3850E Main Processor Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTriconex 3850E\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e3850E\u003c\/strong\u003e Main Processor Module, operates as a dedicated hardware component for deterministic safety logic execution within Tricon Safety Instrumented System (SIS) 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\u003eModel\u003c\/td\u003e\n\u003ctd\u003e3850E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTriconex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e127 x 89 x 32 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArchitecture\u003c\/td\u003e\n\u003ctd\u003eTriple-Modular Redundancy (TMR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003e32 MB application memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eIEC 61508 SIL3, CE, UL, CSA, TUV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTriple Modular Redundancy (TMR) and Fail-Safe Execution\u003c\/h3\u003e\n\u003cp\u003eThe 3850E utilizes a 2oo3 (two-out-of-three) voting architecture to facilitate fault-tolerant operations. Within the Tricon SIS, three parallel processor legs execute identical safety logic simultaneously. The onboard diagnostic sub-system continuously monitors discrepancies between processor channels. If a single hardware failure occurs within one leg, the TMR architecture prevents the fault from propagating to the output modules, allowing the remaining two legs to sustain continuous process control. The module triggers a fail-safe state execution automatically upon the detection of non-recoverable internal hardware errors, ensuring the system maintains a predefined safe output condition during critical process upsets.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the physical constraints when performing a hot-swap on an active 3850E module?\u003c\/p\u003e\n\u003cp\u003eA: The 3850E supports hot-swapping under normal system operation. Technicians must ensure that the replacement module matches the firmware and configuration revision of the remaining active processors to prevent backplane communication errors.\u003c\/p\u003e\n\u003cp\u003eQ: How does the 3850E handle data synchronization between redundant processors?\u003c\/p\u003e\n\u003cp\u003eA: The module utilizes a high-speed system bus to perform real-time data arbitration and clock synchronization. This ensures deterministic cycle times across all three legs of the TMR architecture.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eVerify that the chassis slot is free of debris before inserting the 3850E module.\u003c\/li\u003e\n\u003cli\u003eEnsure proper alignment with the backplane connectors to avoid pin damage. Engage the module slowly until the mechanical retention clips secure it to the chassis frame.\u003c\/li\u003e\n\u003cli\u003eConfirm that the module diagnostic LEDs indicate a healthy state (green status) before initiating communication with the peer-to-peer network or remote I\/O subsystems.\u003c\/li\u003e\n\u003cli\u003eVerify proper grounding of the chassis to prevent common-mode noise interference on the system bus communication lines.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":43856073392227,"sku":"3850E","price":450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/21.2_b0bfd8cd-0aea-4ce2-9fd0-f859944a735b.jpg?v=1764123796","url":"https:\/\/www.autocontrolglobal.com\/products\/triconex-3850e-tmr-processor-module-sis-safety-controller","provider":"AutoControl Global","version":"1.0","type":"link"}