{"product_id":"honeywell-8u-tdilb1-iota-digital-input-module","title":"Honeywell 8U-TDILB1 32-Channel Digital Input IOTA Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Honeywell 8U-TDILB1 is a high-density 32-channel digital input IOTA module designed for precision signal acquisition within distributed control systems. This module is engineered to provide reliable discrete signal monitoring for critical process automation, including power generation and refining applications. It features advanced Sequence of Events (SOE) capabilities, allowing for state change detection with 1 ms resolution, which is essential for detailed fault diagnostics and event reconstruction.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e32 optically isolated digital input channels for robust noise immunity.\u003c\/li\u003e\n\u003cli\u003eDual-mode scanning: Supports 20 ms standard polling and 5 ms fast acquisition for time-critical monitoring.\u003c\/li\u003e\n\u003cli\u003eHigh-resolution SOE: 1 ms timestamping for accurate event logging.\u003c\/li\u003e\n\u003cli\u003eHot-swappable design: Enables module replacement under power to maximize system uptime.\u003c\/li\u003e\n\u003cli\u003eGalvanic isolation: Rated for 1000 VAC RMS or +\/- 1000 VDC to protect system electronics.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is typically deployed in industrial environments requiring high-speed, deterministic signal processing. Common applications include emergency shutdown systems, process monitoring, and sequence-of-events recording in continuous manufacturing and utility plants.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\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\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Range\u003c\/td\u003e\n\u003ctd\u003e18 to 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e4.2 kohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eON Sense Threshold\u003c\/td\u003e\n\u003ctd\u003e13 VDC min \/ 3 mA min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOFF Sense Threshold\u003c\/td\u003e\n\u003ctd\u003e5 VDC max \/ 1.2 mA max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScanning Time\u003c\/td\u003e\n\u003ctd\u003e20 ms (normal) \/ 5 ms (fast)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSOE Resolution\u003c\/td\u003e\n\u003ctd\u003e1 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e1000 VAC RMS \/ +\/- 1000 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the system power is managed according to site safety protocols before module insertion or removal.\u003c\/li\u003e\n\u003cli\u003eThe module supports hot-swapping; ensure the IOTA is properly seated in the backplane to maintain electrical contact.\u003c\/li\u003e\n\u003cli\u003eUse shielded cabling for field inputs to minimize electromagnetic interference in high-noise environments.\u003c\/li\u003e\n\u003cli\u003eVerify that field signal levels remain within the 18-30 VDC range to ensure reliable state detection.\u003c\/li\u003e\n\u003cli\u003eMaintain proper ventilation in the cabinet to ensure the module operates within the 0 to 60 deg C range.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDoes the 8U-TDILB1 support hot swapping?\u003c\/strong\u003e Yes, this module is designed for hot insertion and removal under power, allowing for maintenance without shutting down the entire control system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the SOE resolution of this module?\u003c\/strong\u003e The module provides a Sequence of Events (SOE) resolution of 1 ms, enabling precise timing of state changes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the primary input voltage for this module?\u003c\/strong\u003e The module is designed for 24 VDC field signals, with an operating range of 18 to 30 VDC.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":50645505868028,"sku":"8U-TDILB1","price":172.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_293689cf-1353-46d1-8a6c-98655cae3b87.jpg?v=1784976688","url":"https:\/\/www.electronicplc.com\/products\/honeywell-8u-tdilb1-iota-digital-input-module","provider":"Electronic PLC","version":"1.0","type":"link"}