{"product_id":"honeywell-8c-tdod51-32-channel-digital-output-relay-module","title":"Honeywell 8C-TDOD51 | 32-Channel Digital Output Relay Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell 8C-TDOD51\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis an advanced\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDigital Output (DO) Relay Module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eExperion PKS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eplatform. This module provides a robust interface between the DCS logic and field equipment by utilizing\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e32 isolated Form-C dry contacts\u003c\/strong\u003e. \u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e8C-TDOD51 (often written as 8C-TDOD51)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e51306975-175\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Channels:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e32 Channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIsolated Form-C Relay (Dry Contact)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e24 VDC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMax Load Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e30 VDC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMax Load Current:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e100 mA per channel \/ 3.2 A total per module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGalvanic Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1000 VAC RMS or ±1500 VDC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConformal Coated (8C Series)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features and Engineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e32-Channel Form-C Versatility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEach channel provides a Single Pole Double Throw (SPDT) configuration (Common, Normally Open, Normally Closed). This allows engineers to wire for \"fail-safe\" open or closed states depending on the application requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTrue Dry Contact Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy providing a switch without a built-in voltage source, the module allows for the use of external \"wetting\" voltages up to 30 VDC. This is ideal for interfacing with third-party PLC skids or legacy hardware.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Galvanic Barrier:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1000 VAC RMS isolation rating ensures that high-voltage transients or ground loops in the field wiring do not propagate back to the sensitive Series 8 I\/O processors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeries 8 Vertical Efficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module's vertical mounting orientation on the IOTA optimizes cabinet airflow and significantly reduces the required DIN rail footprint compared to horizontal 32-channel modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConformal Coating for Harsh Zones:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe \"8C\" designation means this module is ready for \"Class G3\" environments, protecting against the moisture and sulfurous gases found in refineries and chemical plants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":44958583029875,"sku":"8C-TDOD51","price":410.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-05-12_09-58-34_82af9b88-5ea2-4392-be12-b8ce6011c824.png?v=1778553781","url":"https:\/\/www.dcssupplier.com\/products\/honeywell-8c-tdod51-32-channel-digital-output-relay-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}