{"product_id":"t7420a-ics-triplex-trusted-analogue-input-module","title":"T7420A ICS Triplex Trusted Analogue Input Module","description":"\u003ch2\u003eICS Triplex T7420A Trusted Safety System Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eICS Triplex T7420A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eT7420A\u003c\/strong\u003e Analogue Input Module, operates as a dedicated hardware component for fault-tolerant loop signal processing within Trusted TMR safety system platforms. The hardware accepts 4-20 mA current loops from field transmitters and converts the physical analog metrics into triplicated digital data streams over a redundant interface.\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\u003eT7420A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eICS Triplex (Rockwell Automation)\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\u003e1.26 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e33 x 265 x 357 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\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24\/48 VDC system voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Range\u003c\/td\u003e\n\u003ctd\u003e4-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e40 isolated inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12-bit (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.1% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e2500 V between field wiring and logic circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eOpen circuit, short circuit, and out-of-range detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eIEC 61508 SIL 3, CE, UL, ATEX, IECEx\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 hardware architecture executes a triple modular redundancy (TMR) 2oo3 architecture to sustain active safety loops during single-point physical or electrical faults. The component achieves definitive SIL3 certification by processing independent input legs through isolated voting circuits. Integrated galvanic isolation rated at 2500 V separates field-side wiring loops from internal logic busses to block transient faults. The microcode provides continuous fail-safe state execution, driving the processing channel to a defined safe state when out-of-range thresholds or hardware diagnostic discrepancies are detected.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the module undergo hot-swapping during live plant processing operations? A: Yes. The device features fully hot-swappable architecture, allowing live physical extraction and insertion within the Trusted chassis without dropping system power or interrupting active loop logic processing.\u003c\/p\u003e\n\u003cp\u003eQ: What operational metrics are evaluated by the continuous diagnostic loops? A: The input circuitry continuously checks the 4-20 mA interface for open circuits, dead shorts, and out-of-range signaling conditions to isolate failed field loops before they impact system safety vectors.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFix the module firmly into its designated chassis slot and ensure the latching ears are fully engaged to establish robust electrical connection to the triplicated backplane.\u003c\/li\u003e\n\u003cli\u003eTerminate all 4-20 mA analog signal shields at the designated single-point plant ground bar to minimize electromagnetic noise and loop interference.\u003c\/li\u003e\n\u003cli\u003eVerify that external field wiring isolation ratings meet or exceed the 2500 V parameter constraint relative to adjacent industrial power lines.\u003c\/li\u003e\n\u003cli\u003eMaintain vertical clearance spaces around the active rack assembly to prevent localized ambient temperatures from escalating past the 60 deg C limit.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ICS Triplex","offers":[{"title":"Default Title","offer_id":43753945792602,"sku":"T7420A","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/247._495f790a-d2f3-4aad-a8a0-cf1c87e73bf5.jpg?v=1785294333","url":"https:\/\/www.spareoil.com\/es\/products\/t7420a-ics-triplex-trusted-analogue-input-module","provider":"SpareOil Automation","version":"1.0","type":"link"}