{"product_id":"honeywell-tc-idd321-experion-ls-24vdc-digital-input-card","title":"Honeywell TC-IDD321 Experion LS 24VDC Digital Input Card","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTC-IDD321\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis an authoritative high-density digital input module designed for the Honeywell Experion LS and PKS architectures. This module serves as a mechanical necessity for monitoring discrete states within a distributed control system (DCS), providing 32 independent channels for signal acquisition. Engineered to interface with field devices such as limit switches, push buttons, and relay contacts, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e97269971 B01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures precise real-time data capture. Its robust galvanic isolation and rugged construction make it a trustworthy component for continuous operation in mission-critical environments, including oil and gas, chemical processing, and power utilities.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDetailed Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHoneywell\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTC-IDD321\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOrder Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e97269971 B01\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVersion\/Revision\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eA03\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDigital Input Module (DI)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eExperion LS, Experion PKS, TDC 3000\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e32 Digital Input Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Signal Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDry Contact, 24 VDC Logic Signals\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e18–30 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGalvanic Isolation (Channel-to-System)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Requirements\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eProvided via Chassis Backplane\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 °C to +60 °C (32 °F to 140 °F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHumidity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5% to 95% Non-condensing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.3 kg (Net) \/ 0.6 kg (Shipping)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCE, UL, CSA Industrial Compliance\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation and Engineering Application\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Integration\u003c\/strong\u003e: Align the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTC-IDD321\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith the guide rails in the Experion LS I\/O chassis. Press firmly to engage the backplane connector. This is an authoritative requirement to ensure reliable power and data communication.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWiring Configurations\u003c\/strong\u003e: The 32 channels support high-density wiring. For 24 VDC logic signals, ensure the polarity is consistent across the terminal block. For dry contacts, verify the loop power is correctly sourced to avoid signal failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundancy Management\u003c\/strong\u003e: In facilities requiring high availability, deploy the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e97269971 B01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein redundant pairs. The Experion architecture facilitates seamless failover, ensuring that monitoring of safety-critical switches remains uninterrupted.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Considerations\u003c\/strong\u003e: Ensure the control cabinet maintains proper ventilation. While the module is rated for up to +60 °C, constant airflow is a mechanical necessity for long-term component reliability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaintenance\u003c\/strong\u003e: Periodically check the diagnostic LEDs on the module faceplate. An illuminated fault indicator usually points to an external wiring issue or an input voltage level falling outside the 18–30 VDC range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan the TC-IDD321 be used with legacy TDC 3000 systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTC-IDD321\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed for versatility. It integrates seamlessly with both the modern Experion LS\/PKS platforms and legacy TDC 3000 hardware, making it an ideal choice for system modernization or retrofit projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of the 32-channel high-density design?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 32-channel configuration allows for significant cabinet space savings. By consolidating 32 discrete inputs into a single standard Honeywell module form factor, engineers can reduce the footprint of the I\/O assembly without sacrificing performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the module support timestamping for Sequence of Events (SOE)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTC-IDD321\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides a fast update rate for real-time monitoring, specific SOE capabilities depend on the controller and firmware configuration within the Experion environment.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":43070112399450,"sku":"TC-IDD321 97269971 B01","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/318..jpg?v=1773969305","url":"https:\/\/www.spareoil.com\/products\/honeywell-tc-idd321-experion-ls-24vdc-digital-input-card","provider":"SpareOil Automation","version":"1.0","type":"link"}