{"product_id":"ics-triplex-t8451cx-trusted-tmr-digital-output-module","title":"ICS Triplex T8451CX Trusted TMR Digital Output Module","description":"\u003cp\u003eConfigured for 24 VDC discrete actuator control in Trusted TMR SIS platforms, the \u003cstrong\u003eICS Triplex T8451CX\u003c\/strong\u003e (\u003cstrong\u003eT8451\u003c\/strong\u003e Trusted TMR Digital Output Module) provides 40 fault-tolerant digital output channels. The module uses three isolated logic slices with 2oo3 hardware voting and five electrically isolated field power groups.\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\u003eT8451CX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase Model\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 \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eTrusted TMR 24 VDC Digital Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Capability\u003c\/td\u003e\n\u003ctd\u003eIEC 61508 SIL 3 capable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e40 digital output channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Configuration\u003c\/td\u003e\n\u003ctd\u003e5 electrically isolated groups, 8 channels per group\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\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e18 VDC to 32 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e2 A continuous per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Group Current\u003c\/td\u003e\n\u003ctd\u003e8 A per power group\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum On-State Load\u003c\/td\u003e\n\u003ctd\u003e50 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e0.5 ms turn-on \/ turn-off delay\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\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eApprox. 24 W typical, system and field supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e250 VDC sustained working; 2,500 VDC transient impulse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShort-Circuit Protection\u003c\/td\u003e\n\u003ctd\u003eAutomatic electronic current limiting with latching\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e241 mm H x 30 mm W x 300 mm D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.13 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConformal Coating\u003c\/td\u003e\n\u003ctd\u003eYes, CX configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHot-Swap Capability\u003c\/td\u003e\n\u003ctd\u003eSupported for online replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTrusted TMR Architecture and Output Diagnostics\u003c\/h3\u003e\n\u003cp\u003eThe T8451CX contains three isolated internal logic slices receiving output data from the Trusted TMR Processor. Each slice participates in a 2oo3 majority voting process through a six-element internal hardware voter array.\u003c\/p\u003e\n\u003cp\u003eThe 40 outputs are divided into five electrically isolated field power groups. Each group contains eight output channels, limiting electrical fault propagation between field supply sections.\u003c\/p\u003e\n\u003cp\u003eIntegrated diagnostics monitor output circuits and field wiring conditions. The module detects short circuits, open circuits, and related loop faults through automated testing and output current diagnostics.\u003c\/p\u003e\n\u003cp\u003eThe CX configuration uses conformal coating for additional protection against humid and corrosive industrial environments. The module also supports online replacement without system shutdown or process interruption.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the T8451CX maintain output fault tolerance?\u003c\/p\u003e\n\u003cp\u003eA: Three isolated logic slices process the output data, while a 2oo3 voting structure determines the commanded output state.\u003c\/p\u003e\n\u003cp\u003eQ: How are the 40 output channels electrically grouped?\u003c\/p\u003e\n\u003cp\u003eA: The channels are divided into five isolated field power groups, with eight outputs assigned to each group.\u003c\/p\u003e\n\u003cp\u003eQ: Can the T8451CX be replaced while the Trusted system remains energized?\u003c\/p\u003e\n\u003cp\u003eA: The supplied specifications identify the module as hot-swappable, permitting online replacement without powering down the system.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the T8451CX in the specified Trusted system carrier and verify mechanical engagement before wiring field circuits.\u003c\/p\u003e\n\u003cp\u003eConfirm that the field supply remains within the specified 18 VDC to 32 VDC operating range before energizing outputs.\u003c\/p\u003e\n\u003cp\u003eKeep field output wiring separated from high-voltage switching conductors and other sources of electromagnetic interference.\u003c\/p\u003e\n\u003cp\u003eRoute signal and power conductors according to the system installation design, maintaining appropriate separation between independent power groups.\u003c\/p\u003e\n\u003cp\u003eTerminate cable shields according to the site grounding architecture and avoid creating unintended ground-current paths.\u003c\/p\u003e\n\u003cp\u003eVerify actuator polarity, output load compatibility, field power grouping, and protective bonding before commissioning.\u003c\/p\u003e\n\u003cp\u003eCheck open-circuit, short-circuit, and loop diagnostic indications during functional testing before placing connected safety functions into service.\u003c\/p\u003e\n\u003cp\u003eFor hot-swap replacement, follow the Trusted system maintenance procedure and confirm module identification before removing or inserting the assembly.\u003c\/p\u003e","brand":"ICS Triplex","offers":[{"title":"Default Title","offer_id":44036516839514,"sku":"T8451CX","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/T8451CX.jpg?v=1788946105","url":"https:\/\/www.plcmasters.com\/products\/ics-triplex-t8451cx-trusted-tmr-digital-output-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}