{"product_id":"tm3di8-discrete-input-module-schneider-modicon-tm3-series","title":"TM3DI8 Discrete Input Module | Schneider Modicon TM3 Series","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSchneider TM3DI8\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis an 8-channel discrete input expansion module from the Modicon TM3 series, designed to extend the digital input capacity of Modicon M221, M241, M251, and M262 controllers. It supports 24 VDC inputs with sink or source logic, conforming to IEC 61131‑2 Type 1 standards.\u003c\/p\u003e\n\u003cp\u003eIts compact design and DIN-rail mounting make it ideal for machine-level automation. Moreover, per-channel LED indicators provide immediate input status feedback, simplifying commissioning and troubleshooting. Therefore, it is a reliable and cost-effective solution for industries such as packaging, material handling, and general automation applications.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eDiscrete input expansion module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eModicon TM3 expansion modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible controllers\u003c\/td\u003e\n\u003ctd\u003eM221, M241, M251, M262\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput channels\u003c\/td\u003e\n\u003ctd\u003e8 discrete inputs, IEC 61131‑2 Type 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC (state “1”: 15–28.8 VDC; state “0”: 0–5 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput current\u003c\/td\u003e\n\u003ctd\u003e7 mA nominal; guaranteed “1” ≥ 2.5 mA; guaranteed “0” ≤ 1 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput impedance\u003c\/td\u003e\n\u003ctd\u003e3.4 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput logic\u003c\/td\u003e\n\u003ctd\u003eSink or source (selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e500 V AC between channels and bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring interface\u003c\/td\u003e\n\u003ctd\u003eScrew terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocal signaling\u003c\/td\u003e\n\u003ctd\u003e1 green LED per channel for input status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax cable length\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 30 m for unshielded standard inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical consumption\u003c\/td\u003e\n\u003ctd\u003e22 mA at 5 V DC (via backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN rail TH35‑7.5 \/ TH35‑15 per IEC 60715; optional panel kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e90 mm × 27.4 mm × 84.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e0.85 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental rating\u003c\/td\u003e\n\u003ctd\u003eIP20 (module), cabinet installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating altitude\u003c\/td\u003e\n\u003ctd\u003e0–2000 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandards and certifications\u003c\/td\u003e\n\u003ctd\u003eCE, cULus, UKCA, RCM, EAC, IEC 61131‑2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow many digital inputs does TM3DI8 provide?\u003c\/strong\u003e\u003cbr\u003eIt provides 8 discrete digital inputs with 24 VDC sink or source logic.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich controllers are compatible with this module?\u003c\/strong\u003e\u003cbr\u003eCompatible with Modicon M221, M241, M251, and M262 logic controllers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the input voltage range?\u003c\/strong\u003e\u003cbr\u003eThe module operates from 15 to 28.8 VDC for logic “1” and 0 to 5 VDC for logic “0.”\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the module mounted?\u003c\/strong\u003e\u003cbr\u003eIt mounts easily on standard DIN rails with optional panel mounting kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the module provide local diagnostics?\u003c\/strong\u003e\u003cbr\u003eYes, per-channel green LEDs indicate input status for quick troubleshooting.\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":43898457325667,"sku":"TM3DI8","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/116.1_459e62ab-1a7e-4417-87f6-d07e8fd7df72.jpg?v=1766134706","url":"https:\/\/www.autocontrolglobal.com\/sk\/products\/tm3di8-discrete-input-module-schneider-modicon-tm3-series","provider":"AutoControl Global","version":"1.0","type":"link"}