{"product_id":"t8850-ics-triplex-expander-interface-module","title":"T8850 | ICS TRIPLEX | Expander Interface Module","description":"\u003cp\u003eConfigured for signal termination within the Trusted TMR system, the \u003cstrong\u003eICS TRIPLEX T8850\u003c\/strong\u003e (\u003cstrong\u003eT8850\u003c\/strong\u003e Field Termination Assembly) provides direct physical and electrical execution. The unit functions as the primary interface between field-mounted digital instrumentation and the T8403 digital input modules, facilitating signal routing and localized power distribution for up to 40 individual channels.\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\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003eT8850\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States (US)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e16 cm x 16 cm x 12 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard Industrial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eConfiguration Dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e40 Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSIS Fail-Safe State Execution\u003c\/h3\u003e\n\u003cp\u003eThe T8850 assembly incorporates per-channel fusing to ensure localized fault isolation, maintaining the integrity of the broader safety instrumented system (SIS). By providing galvanic isolation between field-side signals and the TMR input modules, the FTA prevents the propagation of electrical transients or short-circuit events to the primary processor. In the event of a field-side fault, the assembly ensures that the failed channel does not influence the voltage levels or signal state of adjacent channels, adhering to strict fail-safe state execution protocols required for safety-critical applications.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the T8850 support hot-swapping of connected digital input modules?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the T8850 utilizes a SmartSlot connection design that enables the hot replacement of associated T8403 input modules. This allows for module maintenance without requiring the disconnection of field wiring or a system-wide shutdown.\u003c\/p\u003e\n\u003cp\u003eQ: How is field power integrity monitored on the T8850?\u003c\/p\u003e\n\u003cp\u003eA: Each channel utilizes integrated LED indicators located on the assembly to provide visual confirmation of field power supply status. A loss of local power or a blown fuse will be indicated by the extinguished LED corresponding to the specific input channel.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eSecure the T8850 assembly to a standard industrial DIN rail, ensuring the mounting clips are fully engaged for physical stability.\u003c\/li\u003e\n\u003cli\u003eTerminate 2-wire field devices directly to the designated terminals, observing proper polarity for the 24 VDC signal loop.\u003c\/li\u003e\n\u003cli\u003eVerify that all field wiring is properly shielded and routed away from high-voltage AC lines to mitigate electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eCheck that the SmartSlot connection is free of debris and debris-free before inserting the T8403 digital input module.\u003c\/li\u003e\n\u003cli\u003eEnsure the grounding lug is connected to the system reference ground to facilitate surge voltage protection and signal reference stability.\u003c\/li\u003e\n\u003cli\u003eConfirm the integrity of the fuse per channel after initial power-on to ensure the circuit is active and protected.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ICS Triplex","offers":[{"title":"Default Title","offer_id":52961545912629,"sku":"T8850","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/T8850.png?v=1780538331","url":"https:\/\/www.5gplc.com\/products\/t8850-ics-triplex-expander-interface-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}