{"product_id":"t8403-ics-triplex-trusted-tmr-24-vdc-digital-input-modul","title":"T8403 ICS Triplex Trusted TMR 24 Vdc Digital Input Module","description":"\u003cp\u003eConfigured for high-integrity digital signal acquisition in safety-critical ESD and Fire \u0026amp; Gas networks, the \u003cstrong\u003eICS Triplex T8403\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eT8403\u003c\/strong\u003e TMR 24 Vdc Digital Input Module, provides direct physical\/electrical execution. The hardware operates across 40 isolated input channels designed for fault-tolerant operation without channel-to-channel isolation.\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\u003eT8403\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\u003e1.18 kg (2.6 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\u003e0 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e20 W (Backplane) \/ 29 W Max Dissipation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e-6 VDC to +36 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 Impedance\u003c\/td\u003e\n\u003ctd\u003e5 kOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e20 VDC to 32 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e50 V Reinforced continuous \/ 250 V Basic fault \/ 2436 VDC test\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Accuracy\u003c\/td\u003e\n\u003ctd\u003e0.5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSOE Resolution\u003c\/td\u003e\n\u003ctd\u003e1 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTimestamp Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-10 ms\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 T8403 module utilizes a triple modular redundancy (TMR) 2oo3 architecture to achieve SIL3 certification in safety-instrumented applications. Internal voter circuits perform majority voting on incoming digital input signals to prevent single-point hardware failures from triggering false trips or inhibiting safety functions. Galvanic isolation rated at 50 V reinforced continuous insulation isolates the field commons from the system inter-module bus (IMB), ensuring fail-safe state execution under severe electrical transients or ground potential variations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the isolation threshold between field inputs and system backplane circuits?\u003c\/p\u003e\n\u003cp\u003eA: The module features 50 V continuous reinforced isolation and 250 V basic fault isolation between field commons and system circuits, type-tested at 2436 VDC for 60 seconds.\u003c\/p\u003e\n\u003cp\u003eQ: Does the T8403 module require external fuses or intrinsic safety barriers for hazardous areas?\u003c\/p\u003e\n\u003cp\u003eA: The T8403 contains no internal channel fusing. For hazardous location field loops requiring intrinsic safety protection, external Ex-i barriers must be installed separately in series with field wiring.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePower off the system rack slot or follow hot-swap maintenance procedure limits prior to module insertion into the T8100 or T8300 I\/O chassis slot.\u003c\/li\u003e\n\u003cli\u003eVerify field cable signal lines do not exceed the max continuous withstanding limit of +\/-50 VDC prior to connecting terminal blocks.\u003c\/li\u003e\n\u003cli\u003eConnect signal cable shielding to designated ground bars using short, high-frequency grounding straps to prevent noise coupling on 1 ms Sequence of Events (SOE) timestamp channels.\u003c\/li\u003e\n\u003cli\u003eMaintain a minimum bending radius on field wiring harnesses to eliminate physical strain on the front connector interface.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ICS Triplex","offers":[{"title":"Default Title","offer_id":52093988602165,"sku":"T8403","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/T8403.png?v=1785224707","url":"https:\/\/www.5gplc.com\/products\/t8403-ics-triplex-trusted-tmr-24-vdc-digital-input-modul","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}