{"product_id":"ics-triplex-t8448-trusted-tmr-24-vdc-zone-interface-module","title":"ICS Triplex T8448 Trusted TMR 24 VDC Zone Interface Module","description":"\u003cp\u003eConfigured for field signal interfacing in Trusted TMR safety systems, the \u003cstrong\u003eICS Triplex T8448\u003c\/strong\u003e (\u003cstrong\u003eT8448\u003c\/strong\u003e Trusted TMR Zone Interface Module) provides 40 configurable channels for analog input, digital input, or digital output operation.\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\u003eT8448\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 Zone Interface Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e40 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Configuration\u003c\/td\u003e\n\u003ctd\u003eIndividually configurable as AI, DI, or DO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Grouping\u003c\/td\u003e\n\u003ctd\u003e5 independent groups, 8 channels per group\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Input\u003c\/td\u003e\n\u003ctd\u003e4-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Input \/ Output\u003c\/td\u003e\n\u003ctd\u003eBoolean \/ standard digital logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Wiring\u003c\/td\u003e\n\u003ctd\u003e2-wire or 3-wire field devices via 8842 FTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.5% of reading + 1 count\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSequence of Events\u003c\/td\u003e\n\u003ctd\u003eTime-stamped event logging down to 1 ms resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eTriplicated voting diagnostics, current and voltage testing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFault Protection\u003c\/td\u003e\n\u003ctd\u003eOver-current protection and line-fault monitoring\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 barrier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\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 Zone Signal Processing\u003c\/h3\u003e\n\u003cp\u003eThe T8448 uses Triple Modular Redundant architecture for triplicated signal conditioning and diagnostic processing.\u003c\/p\u003e\n\u003cp\u003eFive independent power groups divide the 40 channels into eight-channel sections for separate safety-zone arrangements.\u003c\/p\u003e\n\u003cp\u003eEach channel supports configuration as an analog input, digital input, or digital output according to system configuration.\u003c\/p\u003e\n\u003cp\u003eFor analog channels, the specified signal interface is 4-20 mA for compatible field instruments and detectors.\u003c\/p\u003e\n\u003cp\u003eDigital channels support Boolean field states for discrete detection and actuation circuits.\u003c\/p\u003e\n\u003cp\u003eTriplicated voting diagnostics compare redundant signal-processing paths and identify channel-level abnormal conditions.\u003c\/p\u003e\n\u003cp\u003eIntegrated current and voltage testing supports electrical fault detection within connected field circuits.\u003c\/p\u003e\n\u003cp\u003eThe module supports Sequence of Events recording with time resolution down to 1 ms.\u003c\/p\u003e\n\u003cp\u003eA galvanic or opto-isolation barrier provides the specified 2500 V impulse withstand between relevant electrical domains.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How are the 40 channels organized electrically?\u003cbr\u003eA: The channels are divided into five independent power groups, with eight channels assigned to each group.\u003c\/p\u003e\n\u003cp\u003eQ: Can one T8448 channel support different signal types?\u003cbr\u003eA: Yes. Individual channels can be configured as analog inputs, digital inputs, or digital outputs.\u003c\/p\u003e\n\u003cp\u003eQ: What field wiring arrangement is specified for the module?\u003cbr\u003eA: The supplied data specifies 2-wire or 3-wire field devices connected through the 8842 FTU.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the T8448 according to the Trusted system mechanical arrangement and maintain the specified module orientation and clearance requirements.\u003c\/p\u003e\n\u003cp\u003eUse the designated 8842 FTU interface for field wiring rather than applying field conductors directly to unsupported module connection points.\u003c\/p\u003e\n\u003cp\u003eSeparate low-level analog wiring from high-current switching conductors to reduce conducted and radiated interference.\u003c\/p\u003e\n\u003cp\u003eFor 4-20 mA circuits, maintain correct loop polarity and verify transmitter supply and return paths before energization.\u003c\/p\u003e\n\u003cp\u003eTerminate cable shields according to the system grounding design and avoid creating unintended multiple-point shield connections.\u003c\/p\u003e\n\u003cp\u003eRoute redundant or safety-related signal circuits independently where the installation design requires physical separation.\u003c\/p\u003e\n\u003cp\u003eVerify each channel configuration against the approved application logic before connecting field devices or actuators.\u003c\/p\u003e\n\u003cp\u003eCheck field wiring continuity, insulation condition, polarity, and channel allocation before placing the module into operational service.\u003c\/p\u003e\n\u003cp\u003eConfirm the five power-group assignments against the safety-zone design before energizing connected field circuits.\u003c\/p\u003e\n\u003cp\u003eRecord detected line faults and diagnostic indications during commissioning, then verify corrective wiring changes through the system diagnostic interface.\u003c\/p\u003e","brand":"ICS Triplex","offers":[{"title":"Default Title","offer_id":44036464574554,"sku":"T8448","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/T7488.jpg?v=1788767699","url":"https:\/\/www.plcmasters.com\/products\/ics-triplex-t8448-trusted-tmr-24-vdc-zone-interface-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}