{"product_id":"honeywell-dc-tuio31-51307772-176-analog-input-modules","title":"Honeywell DC-TUIO31 51307772-176 | Analog Input Modules","description":"\u003ch2\u003eHoneywell DC-TUIO31 51307772-176 Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell DC-TUIO31 51307772-176\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eDC-TUIO31\u003c\/strong\u003e Analog Input Module, operates as a dedicated hardware component for current-loop signal acquisition within the Experion Series C I\/O subsystem.\u003c\/p\u003e\n\u003cp\u003eConfigured for multi-channel analog current measurement in Experion Series C distributed control architecture, the DC-TUIO31 (51307772-176 Analog Input Module) provides direct electrical interface execution for 0-20 mA and 4-20 mA field instruments, including HART-enabled transmitters.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eNo official manufacturer-published decomposition of the suffix structure (51307772-176) is provided for functional segmentation. The base functional designation remains DC-TUIO31 within the Universal Input\/Output IOTA family.\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\u003eDC-TUIO31 51307772-176\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\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e22 x 12 x 7.5 cm (shipping envelope)\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\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003eUp to 32 per module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Resolution\u003c\/td\u003e\n\u003ctd\u003e16 bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Range\u003c\/td\u003e\n\u003ctd\u003e0-20 mA \/ 4-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e250 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e+33 VDC to -1 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScan Rate\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNMRR\u003c\/td\u003e\n\u003ctd\u003e18 dB at 50 Hz \/ 20 dB at 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrosstalk Rejection\u003c\/td\u003e\n\u003ctd\u003e60 dB (DC to 60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Filter\u003c\/td\u003e\n\u003ctd\u003eSingle pole, -3 dB at 6 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Features\u003c\/td\u003e\n\u003ctd\u003eShort circuit protection, open wire detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess I\/O Signal Conditioning and HART Layer Integration\u003c\/h3\u003e\n\u003cp\u003eHoneywell DC-TUIO31 implements per-channel current loop conditioning for 4-20 mA HART 7 field devices. Each channel incorporates HART modem functionality to support simultaneous analog signal and digital communication overlay without external multiplexing layers.\u003c\/p\u003e\n\u003cp\u003eChannel architecture includes galvanic isolation behavior at I\/O termination level, enabling reduction of inter-channel coupling effects during mixed-signal acquisition. The 250 Ohm input impedance is aligned with standard loop current-to-voltage conversion for 4-20 mA transmitters.\u003c\/p\u003e\n\u003cp\u003eThe module supports DISOE (Sequence of Events) acquisition behavior with 10 ms scan resolution, allowing time-aligned event capture across multiple input channels in fast I\/O scan priority mode.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: Does the DC-TUIO31 support hot-swapping of I\/O channels during operation?\u003cbr\u003eA: The module is implemented within a termination assembly architecture; field-side replacement behavior depends on system-level Experion Series C I\/O carrier design rather than the module itself.\u003c\/p\u003e\n\u003cp\u003eQ: What is the electrical limitation of the input voltage range per channel?\u003cbr\u003eA: Each channel supports a specified input voltage window of +33 VDC to -1 VDC, consistent with loop-powered current measurement constraints.\u003c\/p\u003e\n\u003cp\u003eQ: Can HART communication operate simultaneously with analog 4-20 mA signal acquisition?\u003cbr\u003eA: Yes. Each channel includes a dedicated HART modem enabling concurrent analog current measurement and digital HART 7 protocol communication.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eThe DC-TUIO31 module shall be installed on compatible Experion Series C I\/O termination assemblies with verified backplane seating and secured mechanical retention.\u003c\/p\u003e\n\u003cp\u003eShield termination for 4-20 mA loops shall be grounded at a single system reference point to prevent ground loop formation. Twisted pair cabling is required for HART-enabled loops to maintain signal integrity under high-frequency modulation.\u003c\/p\u003e\n\u003cp\u003eMinimum conductor separation shall be maintained between analog current loops and high-energy switching conductors to reduce induced noise coupling. All field wiring shall be verified for polarity consistency prior to energization.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":44306818891864,"sku":"CC-TUIO31 51307772-176","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/CC-TUIO3151307772-176-3.jpg?v=1782981611","url":"https:\/\/www.industriaxplc.com\/products\/honeywell-dc-tuio31-51307772-176-analog-input-modules","provider":"IndustriaX Limited","version":"1.0","type":"link"}