{"product_id":"ics-triplex-t8451-digital-output-module","title":"ICS Triplex T8451 Digital Output Module","description":"\u003ch2\u003eICS Triplex T8451 Digital Output Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for 24 VDC field output execution in the Trusted TMR system network, the \u003cstrong\u003eICS Triplex T8451C\u003c\/strong\u003e (\u003cstrong\u003eT8451C\u003c\/strong\u003e Digital Output Module) provides direct physical and electrical switching control for external field devices.\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\u003eT8451\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\u003eDigital Output 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\u003e1.25 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\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\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\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5-95% RH non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5-15 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e40 TMR output channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Configuration\u003c\/td\u003e\n\u003ctd\u003eFive isolated groups of eight outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e0.5-2.0 A per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Isolation\u003c\/td\u003e\n\u003ctd\u003e2500 VDC opto-isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Architecture\u003c\/td\u003e\n\u003ctd\u003eSix-element voted output array\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Function\u003c\/td\u003e\n\u003ctd\u003eComprehensive diagnostics and self-test\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvent Reporting\u003c\/td\u003e\n\u003ctd\u003eSequence of Events (SOE), 1 ms resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTMR Safety Output Architecture\u003c\/h3\u003e\n\u003cp\u003eThe ICS Triplex T8451C Digital Output Module operates within the Trusted TMR safety platform and uses triple modular redundancy (TMR) 2oo3 architecture for output processing. Each output channel receives triplicated control data from the Trusted TMR Processor and passes the signals through an internal hardware voter.\u003c\/p\u003e\n\u003cp\u003eThe module provides 40 independent TMR output channels. Furthermore, the channels are divided into five isolated groups, with eight outputs per group sharing a common power source and return path.\u003c\/p\u003e\n\u003cp\u003eEach output channel uses a six-element voted switching array. Therefore, the module maintains output control operation during a single output switch fault condition. The architecture supports fail-safe state execution requirements for IEC-61508 SIL3 safety applications.\u003c\/p\u003e\n\u003cp\u003eThe module also provides galvanic isolation through 2500 VDC opto-isolation between internal logic and field circuits. In addition, integrated line monitoring detects field loop current conditions and supports fault diagnostics.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the T8451 support TMR output processing?\u003cbr\u003eA: Yes. The T8451 uses triple modular redundancy (TMR) processing with internal voting logic for each output channel.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module monitor field output conditions?\u003cbr\u003eA: The module provides per-channel line monitoring and detects the actual field device loop current for Sequence of Events reporting.\u003c\/p\u003e\n\u003cp\u003eQ: What type of isolation does the output module provide?\u003cbr\u003eA: The module provides 2500 VDC opto-isolation between the output circuits and internal module electronics.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the T8451C module in the designated Trusted system chassis position according to the system hardware configuration manual.\u003c\/li\u003e\n\u003cli\u003eVerify the 24 VDC field supply polarity before connecting output devices.\u003c\/li\u003e\n\u003cli\u003eSeparate field output wiring from high-voltage power cables to reduce electrical interference.\u003c\/li\u003e\n\u003cli\u003eConnect cable shields according to the site grounding standard and avoid multiple grounding points on shielded signal cables.\u003c\/li\u003e\n\u003cli\u003eConfirm output group power sources and return wiring before commissioning.\u003c\/li\u003e\n\u003cli\u003ePerform diagnostic checks after installation to verify channel status, line monitoring operation, and field loop response.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ICS Triplex","offers":[{"title":"Default Title","offer_id":43225159499864,"sku":"T8451C","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/ics-triplex-t8451c-digital-output-module-efysz10xbmy.png?v=1758605296","url":"https:\/\/www.industriaxplc.com\/products\/ics-triplex-t8451-digital-output-module","provider":"IndustriaX Limited","version":"1.0","type":"link"}