{"product_id":"ics-triplex-t8403c-trusted-tmr-24-vdc-digital-input-module","title":"ICS Triplex T8403C Trusted TMR 24 VDC Digital Input Module","description":"\u003ch2\u003eICS Triplex T8403C Trusted TMR 24 VDC Digital Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for 24 VDC digital signal acquisition in the Trusted TMR I\/O architecture, the \u003cstrong\u003eICS Triplex T8403C\u003c\/strong\u003e (\u003cstrong\u003eT8403C\u003c\/strong\u003e Input Module) provides 40 discrete input channels with configurable thresholds and 50 V reinforced field 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\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003eT8403C\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eTrusted TMR 24 VDC Digital Input Module\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\u003e1.15 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e3 x 30.3 x 26.4 cm estimated shipping size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified in supplied data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMaximum power dissipation: 29 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eDigital Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Field Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Commo\u003c\/td\u003e\n\u003ctd\u003e50 V reinforced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance\u003c\/td\u003e\n\u003ctd\u003e5 kOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Range\u003c\/td\u003e\n\u003ctd\u003e-6 to +36 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Thresholds\u003c\/td\u003e\n\u003ctd\u003eConfigurable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Withstanding Voltage\u003c\/td\u003e\n\u003ctd\u003e+\/-50 VDC\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\u003eField Connection\u003c\/td\u003e\n\u003ctd\u003e3-wire field device connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Power\u003c\/td\u003e\n\u003ctd\u003eFused field power supply per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN rail compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy Architecture\u003c\/td\u003e\n\u003ctd\u003eTriple Modular Redundancy (TMR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInter-Module Bus\u003c\/td\u003e\n\u003ctd\u003eIMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Indicators\u003c\/td\u003e\n\u003ctd\u003e3 Healthy, 1 Active, 1 Standby, 1 Educated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTMR Safety Architecture and Digital Input Processing\u003c\/h3\u003e\n\u003cp\u003eThe T8403C uses a Triple Modular Redundancy (TMR) architecture for digital input acquisition. Each module contains three module slices that process the input data independently.\u003c\/p\u003e\n\u003cp\u003eThe Field Processing Unit (FPU) receives data from the three slices and performs a 2oo3 vote on each input data bit. Therefore, the voting process determines the reported input state from redundant processing paths.\u003c\/p\u003e\n\u003cp\u003eThe module interfaces with the Trusted Inter-Module Bus (IMB), which distributes module power and communication with the Trusted TMR Processor. In addition, the field interface provides direct connections for the external digital input circuits.\u003c\/p\u003e\n\u003cp\u003eThe supplied data specifies 50 V reinforced field isolation. Furthermore, each channel incorporates a fused field power supply, while the field interface supports 3-wire device connections.\u003c\/p\u003e\n\u003cp\u003eThe front panel provides six status LEDs. Three Healthy indicators correspond to the individual module slices, while Active, Standby, and Educated indicators are controlled by the FPU.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many digital inputs does the ICS Triplex T8403C provide?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The T8403C provides 40 digital input channels per VFTA.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the T8403C process redundant input data?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Three module slices process the input data, and the FPU performs a 2oo3 vote on each data bit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What input voltage range does the T8403C specify?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The supplied specification lists a measurement range of -6 to +36 VDC, with configurable input thresholds and +\/-50 VDC maximum withstanding voltage.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the T8403C according to the applicable Trusted system hardware installation requirements.\u003c\/li\u003e\n\u003cli\u003eVerify the field wiring before energizing the module. Confirm correct polarity and terminal allocation for each digital input.\u003c\/li\u003e\n\u003cli\u003eUse the specified 3-wire field connection arrangement where applicable.\u003c\/li\u003e\n\u003cli\u003eKeep field signal wiring separated from high-voltage power and high-current switching conductors to reduce electrical interference.\u003c\/li\u003e\n\u003cli\u003eConnect cable shields according to the plant grounding and control-system wiring standard. Avoid creating unintended ground loops.\u003c\/li\u003e\n\u003cli\u003eVerify the field supply voltage remains within the specified input measurement range before connecting external devices.\u003c\/li\u003e\n\u003cli\u003eCheck each channel fuse and field power circuit before commissioning.\u003c\/li\u003e\n\u003cli\u003eConfirm the three Healthy indicators and the Active, Standby, and Educated status indicators after installation.\u003c\/li\u003e\n\u003cli\u003eDo not apply voltages beyond the stated +\/-50 VDC maximum withstanding specification.\u003c\/li\u003e\n\u003cli\u003eConfirm correct IMB seating and module engagement before system startup.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ICS Triplex","offers":[{"title":"Default Title","offer_id":44547394011224,"sku":"T8403C","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/T8403C-3_1200x1200_44e0428b-b944-4fb8-9cd3-352e15b967c9.jpg?v=1786348582","url":"https:\/\/www.industriaxplc.com\/id\/products\/ics-triplex-t8403c-trusted-tmr-24-vdc-digital-input-module","provider":"IndustriaX Limited","version":"1.0","type":"link"}