{"product_id":"honeywell-tc-fiah81-analog-input-module","title":"Honeywell TC-FIAH81 Analog Input Module","description":"\u003ch2\u003eHoneywell TC-FIAH81 Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell TC-FIAH81\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eTC-FIAH81\u003c\/strong\u003e analog input module, operates as a dedicated hardware component for multi-channel analog signal acquisition within Experion PKS I\/O systems.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eNo explicit suffix segmentation or functional variant encoding is defined for TC-FIAH81 in the provided technical dataset. The identifier is treated as a single fixed-order module designation.\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\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\u003eTC-FIAH81\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.22 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.0 in x 7.0 in x 14.0 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eUp to 3 W @ 31.2 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 analog input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Ranges\u003c\/td\u003e\n\u003ctd\u003e+\/- 10 V, 0-10 V, 0-20 mA, 4-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlexBus Supply\u003c\/td\u003e\n\u003ctd\u003e5 VDC (15 mA), 24 VDC (60 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Isolation\u003c\/td\u003e\n\u003ctd\u003e850 VDC user-to-system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHoneywell Process I\/O Electrical Interface Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe TC-FIAH81 is integrated into Honeywell Experion Rail I\/O architectures using FlexBus backplane communication. The module processes industrial analog signals including 4-20 mA current loops and voltage inputs up to +\/- 10 V. Signal acquisition is performed without channel-to-channel isolation, with isolation implemented at user-to-system level (850 VDC).\u003c\/p\u003e\n\u003cp\u003eIn DCS integration contexts, analog input scaling is aligned with standard process instrumentation loop conventions. The module supports direct interfacing with transmitter outputs commonly configured in 4-20 mA HART loop environments. Backplane communication is handled via FlexBus power and data distribution lines at 5 VDC and 24 VDC rails.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: Does the TC-FIAH81 support channel-to-channel electrical isolation?\u003cbr\u003eA: No. Isolation is implemented as user-to-system galvanic isolation only (850 VDC). Individual input channels are not isolated from each other.\u003c\/p\u003e\n\u003cp\u003eQ: What signal types can be directly wired to the module inputs?\u003cbr\u003eA: The module accepts voltage inputs (0-10 V, +\/- 10 V) and current inputs (0-20 mA, 4-20 mA) without external conversion hardware.\u003c\/p\u003e\n\u003cp\u003eQ: What is the backplane power dependency of the module?\u003cbr\u003eA: The module requires FlexBus supply at 5 VDC (15 mA) and 24 VDC (60 mA) for internal operation and communication.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall module on compatible Honeywell Rail I\/O terminal base (commonly TC-FTB301 or equivalent).\u003c\/li\u003e\n\u003cli\u003eEnsure FlexBus connector seating is fully engaged to maintain backplane communication integrity.\u003c\/li\u003e\n\u003cli\u003eMaintain segregation between analog signal wiring and high-noise power conductors.\u003c\/li\u003e\n\u003cli\u003eUse shielded twisted pair cabling for 4-20 mA loops; terminate shield at single-point ground only.\u003c\/li\u003e\n\u003cli\u003eVerify field loop voltage does not exceed 30 V or 32 mA continuous overload limits.\u003c\/li\u003e\n\u003cli\u003eDo not hot-swap unless system architecture explicitly supports live module replacement with controller in maintenance mode.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":44296218116184,"sku":"TC-FIAH81","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/TC-FIAH81.jpg?v=1782810961","url":"https:\/\/www.industriaxplc.com\/id\/products\/honeywell-tc-fiah81-analog-input-module","provider":"IndustriaX Limited","version":"1.0","type":"link"}