{"product_id":"ics-triplex-t8801-digital-input-field-termination-assembly","title":"ICS Triplex T8801 Digital Input Field Termination Assembly","description":"\u003cp\u003eConfigured for 24 VDC discrete signal termination in Trusted TMR systems, the \u003cstrong\u003eICS Triplex T8801\u003c\/strong\u003e (\u003cstrong\u003eT8801 Digital Input FTA\u003c\/strong\u003e) provides direct field wiring interface.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\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\u003eT8801\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\u003e40-Channel 24 VDC Digital Input Field Termination Assembly (FTA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eNot specified in supplied data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e40 digital input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal field loop supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Distribution\u003c\/td\u003e\n\u003ctd\u003eDual 24 VDC feeds with diode commoning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Protection\u003c\/td\u003e\n\u003ctd\u003e220 ohm current-limiting resistor per field loop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Module\u003c\/td\u003e\n\u003ctd\u003eT8403 24 VDC TMR Digital Input Card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Compatibility\u003c\/td\u003e\n\u003ctd\u003eDry contacts, wet contacts, non-incendive field switches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN-rail or rack-mounted inside Trusted system cabinet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e30.0 x 21.0 x 7.0 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Architecture\u003c\/td\u003e\n\u003ctd\u003eTrusted Triple Modular Redundant (TMR) system interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Application\u003c\/td\u003e\n\u003ctd\u003eSIL 3 SIS integration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHazardous Area Compatibility\u003c\/td\u003e\n\u003ctd\u003eNon-incendive field loop circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTMR Digital Input Signal Termination\u003c\/h3\u003e\n\u003cp\u003eThe T8801 routes discrete field signals toward the T8403 input module through dedicated termination circuitry.\u003c\/p\u003e\n\u003cp\u003eEach channel incorporates a 220 ohm current-limiting resistor for field-loop signal conditioning and circuit protection.\u003c\/p\u003e\n\u003cp\u003eDual 24 VDC feeds use diode commoning, providing redundant power distribution to connected field input circuits.\u003c\/p\u003e\n\u003cp\u003eThe assembly supports dry contacts, wet contacts, and non-incendive field switches connected through discrete input loops.\u003c\/p\u003e\n\u003cp\u003eThe interface supports triple-redundant signal processing when paired with the specified T8403 TMR digital input card.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How many digital input channels does the T8801 provide?\u003cbr\u003eA: The T8801 provides 40 discrete input channels for connection with compatible field switching devices.\u003c\/p\u003e\n\u003cp\u003eQ: Which Trusted system module connects directly with the T8801?\u003cbr\u003eA: The specified interface module is the T8403 24 VDC TMR Digital Input Card.\u003c\/p\u003e\n\u003cp\u003eQ: What field-loop protection does each input channel provide?\u003cbr\u003eA: Each field loop includes a 220 ohm current-limiting resistor for input circuit protection.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the T8801 on the specified DIN rail or rack location inside the Trusted cabinet.\u003c\/p\u003e\n\u003cp\u003eVerify cabinet clearances and mechanical retention before terminating field conductors at the assembly.\u003c\/p\u003e\n\u003cp\u003eRoute digital input wiring separately from high-voltage power conductors and high-current switching circuits.\u003c\/p\u003e\n\u003cp\u003eMaintain consistent terminal identification between field devices, T8801 channels, and the associated T8403 input module.\u003c\/p\u003e\n\u003cp\u003eUse shielded instrumentation cable where required by the installed system design and electromagnetic environment.\u003c\/p\u003e\n\u003cp\u003eTerminate cable shields according to the project grounding specification, avoiding unintended multiple-point shield connections.\u003c\/p\u003e\n\u003cp\u003eVerify both 24 VDC feeds before energization, including polarity, continuity, and diode-commoned supply arrangement.\u003c\/p\u003e\n\u003cp\u003eConfirm field-loop voltage and signal state before connecting live conductors to the termination assembly.\u003c\/p\u003e\n\u003cp\u003eFor hazardous-area circuits, verify the installed wiring method against the applicable non-incendive system requirements.\u003c\/p\u003e","brand":"ICS Triplex","offers":[{"title":"Default Title","offer_id":44036531552346,"sku":"T8801","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/T7481A1.jpg?v=1788766608","url":"https:\/\/www.plcmasters.com\/products\/ics-triplex-t8801-digital-input-field-termination-assembly","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}