{"product_id":"triconex-3721-tricon-3000-series-input-module","title":"Triconex 3721 Tricon 3000 Series Input Module","description":"\u003ch2\u003eTriconex 3721 Tricon 3000 Series Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-density signal processing and electrical voltage verification in Tricon 3000 Series SIS platforms, the \u003cstrong\u003eTriconex 3721\u003c\/strong\u003e (\u003cstrong\u003e3721\u003c\/strong\u003e Analog\/Digital Input Module) provides direct physical\/electrical execution. The component executes real-time data acquisition from field circuits, routing isolated input pathways directly to the primary safety controller backplane matrix.\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\u003e3721\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTriconex (Schneider Electric)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.36 kg (1.5 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e177.8 mm x 101.6 mm x 228.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C (FSR validated from 0 to 60 deg C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified \/ Backplane distributed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e32 differential, DC-coupled (or 32 isolated digital inputs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Range\u003c\/td\u003e\n\u003ctd\u003e0 to 5 VDC, -5 to +5 VDC (+6%), or 18-32 VDC logic inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Update Rate\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12 bits or 14 bits programmable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.15% of FSR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon Mode Rejection\u003c\/td\u003e\n\u003ctd\u003e-85 dB (DC - 100 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Overrange Protection\u003c\/td\u003e\n\u003ctd\u003e150 VDC \/ 115 VAC continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e1500 VAC galvanic isolation between channels and backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eContinuous per-channel monitoring, LED indicators, fault detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eIEC 61508 SIL3, IEC 61511, TÜV, CE, UL Class I Div 2, ATEX Zone 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTriple Modular Redundancy and Safety Integrity\u003c\/h3\u003e\n\u003cp\u003eThe module hardware uses a triple modular redundancy (TMR) 2oo3 architecture paired with internal voter logic circuitry to achieve continuous fail-safe state execution. Three separate logic legs handle concurrent processing of the incoming 32 channels, cross-checking values to eliminate single-point hardware faults. Galvanic isolation up to 1500 VAC protects the subsystem by separating the field channels and the primary backplane bus. These structural diagnostic layers allow the module to maintain active state operation and safety loops under strict IEC 61508 SIL3 certification parameters.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the physical operational limitations during a hot-swap procedure?\u003c\/p\u003e\n\u003cp\u003eA: The module supports online hot-swap operations within a single rack slot allocation. The replacement procedure must execute while the system is energized, allowing the backup or adjacent redundant channels to manage the processing loop during the physical swap without causing shutdown initialization.\u003c\/p\u003e\n\u003cp\u003eQ: How does the interface architecture handle signal validation overvoltage spikes?\u003c\/p\u003e\n\u003cp\u003eA: The hardware includes built-in input overrange protection rated up to 150 VDC or 115 VAC continuous. This protection array works in tandem with the galvanic isolation barrier to isolate high-voltage spikes and prevent degradation of the core logic solvers.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the module vertically inside the designated slot position of the Tricon 3000 Series SIS rack. Confirm the guide pins route securely into the rear backplane connectors before engaging the faceplate locking screws. Field technicians must terminate all external circuits at the corresponding termination baseplate. Apply continuous cable shielding and low-impedance grounding across all low-level signal paths to minimize electromagnetic interference (EMI). Maintain strict physical separation between data signaling lines and high-voltage AC power loops inside the enclosure to eliminate induction errors.\u003c\/p\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":43736152834138,"sku":"3721","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/197._bda68bcf-3ccd-46d7-bfcb-c471ac53f1c7.jpg?v=1785116701","url":"https:\/\/www.spareoil.com\/ar\/products\/triconex-3721-tricon-3000-series-input-module","provider":"SpareOil Automation","version":"1.0","type":"link"}