{"product_id":"schneider-tm2ddi16dk-discrete-input-module-heavy-duty-discrete","title":"Schneider TM2DDI16DK Discrete input module - Heavy-Duty Discrete","description":"\u003ch2\u003eProduct Introduction\u003c\/h2\u003e\u003cp\u003eThe Schneider TM2DDI16DK is a compact discrete input module designed for the Modicon M238 series of logic controllers. It provides 16 digital inputs operating at 24 V DC, making it ideal for collecting signals from sensors, push buttons, and limit switches in industrial automation. The module supports both sink and source wiring configurations and offers electrical isolation between channels and internal logic up to 500 V for one minute, ensuring robust performance in noisy environments.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications Breakdown\u003c\/h2\u003e\u003cp\u003eKey specifications of the Schneider TM2DDI16DK include:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiscrete Input Number\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Type\u003c\/td\u003e\n\u003ctd\u003eDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Limits\u003c\/td\u003e\n\u003ctd\u003e20.4...28.8 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiscrete Input Current\u003c\/td\u003e\n\u003ctd\u003e5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e4.4 kOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e4 ms (both 0→1 and 1→0)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation (Channel to Logic)\u003c\/td\u003e\n\u003ctd\u003e500 V for 1 minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption (5 V DC)\u003c\/td\u003e\n\u003ctd\u003e35 mA at state 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (WxHxD)\u003c\/td\u003e\n\u003ctd\u003e21.4 x 90 x 81.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eThese specs ensure reliable signal acquisition with fast response and good noise immunity. The 4.4 kOhm impedance limits current draw while maintaining accurate detection.\u003c\/p\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eCommonly used in packaging, material handling, and assembly lines, the Schneider TM2DDI16DK interfaces with proximity sensors and pushbuttons to monitor machine status. Its 4 ms response time suits high-speed counting applications where timely input detection is critical. The isolation capability prevents ground loops and protects the controller in electrically harsh environments, reducing unexpected downtime.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup Guidance\u003c\/h2\u003e\u003cp\u003eMount the TM2DDI16DK on a 35 mm symmetrical DIN rail. Connect inputs via the HE10 connector using appropriate wiring—match the sink\/source configuration to your field devices. Power the module from the backplane; ensure the 24 V DC supply is within 20.4–28.8 V. Local signalling LEDs on the front panel help verify each channel's state during commissioning. No calibration is required—simply verify wiring and test with a known signal.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eRoutine inspection should focus on connector tightness and signs of corrosion. The solid-state design means no moving parts; environmental factors like temperature and vibration are the main concerns. Keep dust away from the HE10 connector. With proper installation, the TM2DDI16DK delivers long service life, reducing total cost of ownership through minimized replacement needs.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eWhen ordering, confirm compatibility with your controller—the TM2DDI16DK works with Modicon M238 and Twido families, plus Advantys OTB islands. Consider the number of inputs and voltage type; the 24 V DC version suits most industrial sensors. For large systems, plan common point count (1 common in this module). For reliable sourcing, choose UBEST Automation (ubest101) to ensure genuine Schneider parts and fast delivery.\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default","offer_id":44404056916067,"sku":"TM2DDI16DK","price":210.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/TM2DDI16DK_2.jpg?v=1785024491","url":"https:\/\/www.plcsourcepro.com\/products\/schneider-tm2ddi16dk-discrete-input-module-heavy-duty-discrete","provider":"PLC Source PRO","version":"1.0","type":"link"}