{"product_id":"ics-triplex-t8451c-digital-output-module","title":"ICS Triplex T8451C Digital Output Module","description":"\u003ch1\u003eICS Triplex T8451C Trusted TMR Digital Output Module\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eICS Triplex T8451C\u003c\/strong\u003e is a Trusted TMR digital output module designed for safety-critical control applications within the Trusted safety system. The module provides 40 independently controlled digital output channels arranged in isolated groups and employs Triple Modular Redundant (TMR) architecture with 2oo3 voting logic. This configuration is intended for Safety Instrumented Systems (SIS) requiring high fault tolerance, extensive diagnostics, and SIL 3-capable operation.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"___1vyiefv f1ddd56o f16vktn6 f1ahpp82 f11qra4b f1uinfot fibjyge fvueend f9yszdx f1fu4s3n f3l3pb3 f10ghnd0 f8fmt76 fjvbh62 f1qrqxae f1vw5qpk fc02sbz fxawf59 fymf513 f1aoyrul f1el8yx3 f1pymoxg f1ofu761 fe6itr f7coize f1794535 f1o0pw0q fbjjl9v fk1v6el f16pyhcb f1ixlhx9 f12zef0i flu5r5u f19haqzy f1owmcxx f1oddm8q f1004tna fcoaxci fh0ee9u f15v23i2 f1dmj53 f1r1gcv9 f14z1veh ffufd3x f1ypplot f1660cg\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eT8451C\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 Digital Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Grouping\u003c\/td\u003e\n\u003ctd\u003e5 isolated groups of 8 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Supply Voltage (IMB)\u003c\/td\u003e\n\u003ctd\u003e20-32 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e18-32 VDC (24 VDC nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Output Current\u003c\/td\u003e\n\u003ctd\u003e2 A 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 group\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Power Consumption\u003c\/td\u003e\n\u003ctd\u003eApprox. 24 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Delay\u003c\/td\u003e\n\u003ctd\u003e0.5 ms\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\u003eAutomatic Self-Test Interval\u003c\/td\u003e\n\u003ctd\u003e2 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Rating\u003c\/td\u003e\n\u003ctd\u003e2500 VDC opto-isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Architecture\u003c\/td\u003e\n\u003ctd\u003eTMR, 2oo3 voting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctional Safety\u003c\/td\u003e\n\u003ctd\u003eIEC 61508 SIL 3 capable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 1.13 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd\u003e241 mm x 30 mm x 300 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\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\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTMR Safety Architecture\u003c\/h3\u003e\n\u003cp\u003eThe module uses Triple Modular Redundant technology with internal two-out-of-three (2oo3) voting. Three parallel processing paths continuously compare output decisions, allowing the system to tolerate a single fault while maintaining operation.\u003c\/p\u003e\n\u003cp\u003eThis architecture supports the Trusted platform's fault-tolerant philosophy, where the first fault can be managed without loss of the safety function and subsequent faults are handled in a predefined safe manner.\u003c\/p\u003e\n\u003ch3\u003eOutput Capacity and Channel Organization\u003c\/h3\u003e\n\u003cp\u003eThe T8451C provides 40 digital outputs divided into five electrically isolated groups. Group isolation helps reduce fault propagation between field circuits and simplifies the distribution of loads across multiple output sections.\u003c\/p\u003e\n\u003cp\u003eEach channel supports up to 2 A continuous load current, while each group is limited to a maximum of 8 A total output current. Load calculations should therefore consider both channel and group current limits during system design.\u003c\/p\u003e\n\u003ch3\u003eDiagnostics and Line Monitoring\u003c\/h3\u003e\n\u003cp\u003eComprehensive onboard diagnostics continuously monitor output operation and field wiring conditions. The module supports detection of short circuits, open circuits, and field-ground faults on individual channels.\u003c\/p\u003e\n\u003cp\u003eAutomatic self-testing is performed every two minutes, enabling ongoing verification of internal circuitry. Sequence of Events (SOE) reporting with 1 ms resolution supports detailed analysis of safety-related actions and system responses.\u003c\/p\u003e\n\u003ch3\u003eProtection and Isolation\u003c\/h3\u003e\n\u003cp\u003eElectronic short-circuit protection is integrated into the module and operates without external fuses. Fault conditions can be electronically latched and reset through the system's diagnostic mechanisms.\u003c\/p\u003e\n\u003cp\u003eThe field side is optically isolated from the logic backplane by 2500 VDC isolation, helping protect the Trusted controller from field electrical disturbances and wiring faults.\u003c\/p\u003e\n\u003ch3\u003eConformal Coating Option\u003c\/h3\u003e\n\u003cp\u003eThe suffix \u003cstrong\u003e\"C\"\u003c\/strong\u003e in \u003cstrong\u003eT8451C\u003c\/strong\u003e identifies the conformal-coated version of the module. The protective coating provides additional resistance to contamination, moisture, and corrosive environmental conditions compared with standard uncoated assemblies.\u003c\/p\u003e\n\u003cp\u003eThis feature is particularly relevant in installations where environmental exposure may affect long-term electronics reliability.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many output channels are available on the T8451C?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The module provides 40 independent digital output channels arranged in five isolated groups of eight channels each.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum output current supported by the module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Each output channel can supply up to 2 A continuously. The combined load for any individual 8-channel group must not exceed 8 A.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the \"C\" suffix indicate in T8451C?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The suffix identifies the conformal-coated version of the module, which provides additional environmental protection for the electronic assemblies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the module support safety applications?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. The module uses TMR architecture with 2oo3 voting and is designed for applications compliant with IEC 61508 functional safety requirements up to SIL 3 system implementations.\u003c\/p\u003e","brand":"ICS Triplex","offers":[{"title":"Default Title","offer_id":67760506470474,"sku":"T8451C","price":580.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/8569\/3770\/files\/T8442_1.png?v=1763537251","url":"https:\/\/www.topbrandsplc.com\/products\/ics-triplex-t8451c-digital-output-module","provider":"Topbrands PLC Limited","version":"1.0","type":"link"}