{"product_id":"t8431-trusted-tmr-24vdc-analogue-input-module-ics-triplex","title":"T8431 Trusted TMR 24Vdc Analogue Input Module | ICS Triplex","description":"\u003cp\u003eThe \u003cstrong\u003eICS Triplex T8431\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eT8431\u003c\/strong\u003e Analogue Input Module, operates as a dedicated hardware component for fault-tolerant analog signal acquisition within Trusted TMR system architectures. The module processes 40 input channels supporting 0-22 mA current loop or 0-6 VDC voltage ranges with a fast sample update time of 0.5 ms.\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\u003eT8431\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eICS Triplex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited Kingdom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.149 kg (2.5 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e266 mm x 31 mm x 303 mm (10.5 in x 1.2 in x 12.0 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-5 deg C to +60 deg C (-13 deg F to +140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eStandard Backplane Bus Draw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e20 VDC to 32 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e40 Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Ranges\u003c\/td\u003e\n\u003ctd\u003e0-22 mA \/ 0-6 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSample Update Time\u003c\/td\u003e\n\u003ctd\u003e0.5 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e3.9 pA (1\/256 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-1% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalibration Accuracy\u003c\/td\u003e\n\u003ctd\u003e0.03% (Recommended check interval: 2 years)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSOE Event Resolution\u003c\/td\u003e\n\u003ctd\u003e1 ms (Timestamp accuracy: +\/-0.5 ms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e10% to 95% RH non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHigh-Reliability Safety Control \u0026amp; TMR Architecture\u003c\/h3\u003e\n\u003cp\u003eThe T8431 utilizes a fully triplicated, fault-tolerant circuit architecture to satisfy SIL3 certification requirements in safety-critical process loops. Three independent processing channels perform majority voting on digitized field inputs to guarantee fail-safe state execution without false trips. Robust galvanic isolation isolates field signal paths from the inter-module bus (IMB) backplane, preventing severe electrical noise or field-side transients from interrupting real-time system diagnostics and 1 ms sequence-of-events (SOE) timestamping.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the T8431 module contain onboard fuses or intrinsic safety protection for hazardous field locations?\u003c\/p\u003e\n\u003cp\u003eA: No. The T8431 includes no internal channel fuses and has no integrated intrinsic safety barriers. External line fuses and Ex-i isolation barriers must be installed separately where required.\u003c\/p\u003e\n\u003cp\u003eQ: What is the recommended maintenance calibration check interval for the input channels?\u003c\/p\u003e\n\u003cp\u003eA: The recommended calibration check interval for the T8431 input channels is 2 years to maintain the standard 0.03% calibration accuracy.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eVerify that backplane power supplies are within the 20 VDC to 32 VDC operating range before seating the module into the active rack slot.\u003c\/li\u003e\n\u003cli\u003eEnsure field input cables use shielded twisted pairs, grounding shields at designated system grounding bars to maintain +\/-0.5 ms SOE timestamp accuracy.\u003c\/li\u003e\n\u003cli\u003eObserve ambient environmental limits, ensuring temperature slew rates do not exceed 0.5 deg C per minute to avoid thermal stress on precision measurement circuits.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ICS Triplex","offers":[{"title":"Default Title","offer_id":52095448547637,"sku":"T8431","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/T8480_78c1ed21-8b6a-4e8a-aa0e-14d27ef79d84.png?v=1785227074","url":"https:\/\/www.5gplc.com\/products\/t8431-trusted-tmr-24vdc-analogue-input-module-ics-triplex","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}