{"product_id":"8u-tdilb1-honeywell-series-8-digital-input-module","title":"8U-TDILB1 Honeywell Series 8 Digital Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 8U-TDILB1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e8U-TDILB1\u003c\/strong\u003e Digital Input Module, operates as a dedicated hardware component for high-speed discrete signal acquisition within Honeywell Experion PKS platforms.\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\u003e8U-TDILB1\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\u003e0.55 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e4.75 x 3.5 x 1.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e95 mA module current rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 digital input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDI Power Voltage Range\u003c\/td\u003e\n\u003ctd\u003e18 to 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003eLess than 1 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Rating\u003c\/td\u003e\n\u003ctd\u003e600 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGalvanic Isolation\u003c\/td\u003e\n\u003ctd\u003e1000 VAC RMS or +\/-1500 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eON State Threshold\u003c\/td\u003e\n\u003ctd\u003e13 VDC (min) or 3 mA (min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOFF State Threshold\u003c\/td\u003e\n\u003ctd\u003e5 VDC (max) or 1.2 mA (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e4.2 k ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Input Signal Conditioning and Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe Honeywell 8U-TDILB1 processes 16 discrete field channels with an input impedance of 4.2 k ohms and a response time under 1 ms. Galvanic isolation rated at 1000 VAC RMS or +\/-1500 VDC isolates field sensing loops from host system backplane logic, preventing transient voltage spikes and ground potential shifts from degrading digital state detection. The module evaluates 24 VDC field input states using fixed thresholds (ON state at 13 VDC \/ 3 mA minimum; OFF state at 5 VDC \/ 1.2 mA maximum), ensuring immune, noise-filtered signal transmission from field contact devices to system memory.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the exact voltage threshold levels for channel state switching on the 8U-TDILB1?\u003c\/p\u003e\n\u003cp\u003eA: The module registers an ON state at a minimum of 13 VDC (or 3 mA) and an OFF state at a maximum of 5 VDC (or 1.2 mA).\u003c\/p\u003e\n\u003cp\u003eQ: What galvanic isolation rating does the 8U-TDILB1 provide to protect system electronics?\u003c\/p\u003e\n\u003cp\u003eA: The module provides galvanic isolation rated at 1000 VAC RMS or +\/-1500 VDC between field input circuits and the system backplane, with an overall insulation specification of 600 V.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum current draw of the 8U-TDILB1 module from the power rail?\u003c\/p\u003e\n\u003cp\u003eA: The module has a rated current consumption of 95 mA across its 18 to 30 VDC operating input voltage range.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eConfirm that cabinet supply power to the field contact loops is within the specified 18 to 30 VDC range before inserting the module.\u003c\/li\u003e\n\u003cli\u003eAlign the module edge connector with the designated slot on the Series 8 carrier assembly.\u003c\/li\u003e\n\u003cli\u003ePush the module firmly into place until the backplane connectors fully seat and side retention latches lock onto the rail.\u003c\/li\u003e\n\u003cli\u003eRoute field discrete input wiring separately from high-voltage AC lines and power switching cables to avoid induced noise.\u003c\/li\u003e\n\u003cli\u003eGround all field cable shields at a single ground point on the enclosure cabinet earth bar to maintain galvanic isolation integrity.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52321576943912,"sku":"8U-TDILB1","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/8U-TAOXB1_Cocoai_d67a787c-da22-493e-a311-991610a4c5e5.png?v=1788420234","url":"https:\/\/www.powerdcs.com\/es\/products\/8u-tdilb1-honeywell-series-8-digital-input-module","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}