{"product_id":"ics-triplex-t8449c-trusted-tmr-24-vdc-valve-monitor-module","title":"ICS Triplex T8449C Trusted TMR 24 VDC Valve Monitor Module","description":"\u003cp\u003eThe \u003cstrong\u003eICS Triplex T8449C\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eT8449C\u003c\/strong\u003e Trusted TMR Valve Monitor Module, provides 20 dedicated valve control outputs and 20 feedback inputs for safety instrumented systems.\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\u003eT8449C\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\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eTrusted TMR 24 VDC Valve Monitor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Outputs\u003c\/td\u003e\n\u003ctd\u003e20 TMR control output points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeedback Inputs\u003c\/td\u003e\n\u003ctd\u003e20 TMR feedback input points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e19.2 VDC to 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e2500 V impulse withstand opto\/galvanic isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSequence of Events\u003c\/td\u003e\n\u003ctd\u003eOn-board timestamping, 1 ms resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOver-Current Protection\u003c\/td\u003e\n\u003ctd\u003eAutomatic per-channel protection; external fuses not required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e216 mm x 127 mm x 102 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.36 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTMR Architecture and Valve Circuit Monitoring\u003c\/h3\u003e\n\u003cp\u003eThe T8449C uses triple modular redundant architecture for valve control and feedback processing. Each valve device receives a dedicated control output and corresponding feedback monitoring channel.\u003c\/p\u003e\n\u003cp\u003eThe module supports up to 20 field valve devices and continuously monitors field wiring for open and short circuit conditions. Automatic per-channel over-current protection operates without requiring external channel fuses.\u003c\/p\u003e\n\u003cp\u003eGalvanic isolation separates field-side circuits from module circuitry, with the supplied specification stating 2500 V impulse withstand isolation. Online partial stroke testing can be performed without interrupting active field processes.\u003c\/p\u003e\n\u003cp\u003eThe module also provides on-board Sequence of Events timestamping with 1 ms resolution for event recording and diagnostic analysis.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the T8449C support hot swapping?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The supplied technical data specifies hot-swapping capability for the module.\u003c\/p\u003e\n\u003cp\u003eQ: How many valve circuits can the T8449C interface?\u003c\/p\u003e\n\u003cp\u003eA: The module provides 20 TMR control output points and 20 TMR feedback input points for up to 20 field valve devices.\u003c\/p\u003e\n\u003cp\u003eQ: What electrical protection is provided on the output channels?\u003c\/p\u003e\n\u003cp\u003eA: Each channel has automatic over-current protection, eliminating the requirement for external channel fuses according to the supplied data.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the module in the specified Trusted system chassis and verify mechanical engagement before energizing the assembly.\u003c\/p\u003e\n\u003cp\u003eVerify the field supply remains within the stated 19.2 VDC to 30 VDC operating range during normal and transient conditions.\u003c\/p\u003e\n\u003cp\u003eSeparate valve wiring from high-current switching conductors and other sources of electromagnetic interference where cabinet design permits.\u003c\/p\u003e\n\u003cp\u003eTerminate cable shields according to the applicable system grounding architecture and site electrical standards. Avoid creating unintended ground loops through multiple shield termination points.\u003c\/p\u003e\n\u003cp\u003eVerify each valve control circuit and feedback circuit independently before commissioning the complete TMR logic path.\u003c\/p\u003e\n\u003cp\u003eConfirm open-circuit and short-circuit diagnostic indications during controlled loop testing. Perform partial stroke testing only under an approved site procedure that accounts for valve process conditions.\u003c\/p\u003e\n\u003cp\u003eMaintain adequate cabinet ventilation and verify that the installation environment remains within the specified -40 deg C to +70 deg C temperature range and 5% to 95% non-condensing humidity range.\u003c\/p\u003e","brand":"ICS Triplex","offers":[{"title":"Default Title","offer_id":44036492918874,"sku":"T8449C","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/ICSTriplexT88001_5c40b993-9a86-40df-9401-d09b1333796f.jpg?v=1788945399","url":"https:\/\/www.plcmasters.com\/products\/ics-triplex-t8449c-trusted-tmr-24-vdc-valve-monitor-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}