{"product_id":"tk-idd321-honeywell-32-point-discrete-input-module","title":"TK-IDD321 | Honeywell | 32-Point Discrete Input Module","description":"\u003ch1\u003eHoneywell TK-IDD321 32-Point Discrete Input Module\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eHoneywell TK-IDD321\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eTK-IDD321\u003c\/strong\u003e discrete input module, operates as a dedicated hardware component for 32‑point DC input acquisition within Experion\/TPN‑based control networks. The module conditions incoming 10–31.2 VDC signals, enforces IEC Type 1+ compatibility, and provides deterministic state detection across 16‑point\/common groupings.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\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\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eTK-IDD321\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e0.24 kg (net), 1.5 kg (shipping)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temp\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Consumption\u003c\/th\u003e\n\u003ctd\u003e6.1 W max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCore Performance Indicators\u003c\/th\u003e\n\u003ctd\u003e32 DC inputs, 10–31.2 VDC range, IEC Type 1+ compatibility\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol Behavior\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAlthough TK‑IDD321 processes discrete DC states rather than analog loops, its stable input thresholds prevent transient disturbances in adjacent modules hosting 4‑20 mA HART channels. Channel‑to‑channel isolation within the backplane reduces noise coupling when high inrush events occur. The module’s 250 mA peak short\/inrush current profile decays rapidly, minimizing interference with loop‑powered transmitters and preventing false state transitions during activation sequences.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eQ: Can TK‑IDD321 be hot‑swapped in a powered chassis? A: Hot‑swap capability depends on the specific Honeywell rack. The module itself does not prohibit live insertion, but system power rules must be followed to avoid controller resets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eQ: Does the module support redundant input paths? A: Redundancy is achieved at the system level. TK‑IDD321 provides single‑ended input channels; redundant logic is handled by paired controllers or upstream wiring.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eQ: What terminal block type is required? A: The module is designed for TC‑TBCH 36‑position terminal blocks, ensuring correct alignment of 16‑point\/common groupings.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMaintain separation between DC input wiring and high‑voltage feeders to reduce induced noise.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEnsure proper common alignment when landing 16‑point groups on the terminal block.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUse shielded cable for long‑distance field runs to minimize transient pickup.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVerify polarity and input voltage range before energizing channels.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eApply strain relief at cabinet entry points to prevent connector fatigue.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":48362772758718,"sku":"TK-IDD321","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/honeywell-tk-odd321-97179573-experion-dc-output-module-vyd0bmfcqau.png?v=1759052497","url":"https:\/\/www.autooiltech.com\/products\/tk-idd321-honeywell-32-point-discrete-input-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}