{"product_id":"schneider-tm2ddi16dt-i-o-expansion-module-scalable-i-o","title":"Schneider TM2DDI16DT I\/O expansion module - Scalable I\/O","description":"\u003ch2\u003eSchneider TM2DDI16DT Digital Input Module Overview\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSchneider TM2DDI16DT\u003c\/strong\u003e is a reliable discrete input expansion module from the Modicon M238 family. It provides 16 inputs at 24 V DC with both sink and source logic, making it versatile for various industrial control applications. Designed for seamless integration, this module ensures precise signal acquisition with a fast 4 ms response time.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cp\u003eBelow are the key specifications of the \u003cstrong\u003eSchneider TM2DDI16DT\u003c\/strong\u003e:\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, 24 V\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\u003eInput Current\u003c\/td\u003e\n\u003ctd\u003e7 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e3.4 kOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time (state 0\/1)\u003c\/td\u003e\n\u003ctd\u003e4 ms \/ 4 ms\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\u003e40 mA at state 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003e1 removable screw terminal block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W x H x D)\u003c\/td\u003e\n\u003ctd\u003e23.5 x 90 x 84.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e0.065 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSchneider TM2DDI16DT\u003c\/strong\u003e excels in real-world automation scenarios. For example, in packaging lines, its 4 ms response time accurately detects product presence, reducing false triggers. In conveyor systems, the wide input voltage range (20.4-28.8 V) ensures stable operation despite voltage fluctuations. The sink or source logic simplifies wiring in both legacy and modern control cabinets.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup Guidance\u003c\/h2\u003e\u003cp\u003eMount the \u003cstrong\u003eSchneider TM2DDI16DT\u003c\/strong\u003e on a 35 mm DIN rail using the integrated clip. Connect field devices to the removable screw terminal block with proper wire torque (0.5-1.2 N·m typical). Ensure the DC supply is within 20.4-28.8 V. Use a common point for group isolation. Verify module status via the local signalling block.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eWith no moving parts and an isolation of 500 V between channels and logic, the \u003cstrong\u003eSchneider TM2DDI16DT\u003c\/strong\u003e requires minimal maintenance. Periodically check terminal tightness and inspect for signs of dust or corrosion. The low power consumption (40 mA at 5 V) reduces heat stress, extending service life. This module is built for demanding 24\/7 industrial environments.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eBefore ordering the \u003cstrong\u003eSchneider TM2DDI16DT\u003c\/strong\u003e, confirm compatibility with your Modicon M238 base controller. This module supports Twido and Advantys OTB ranges. For bulk or urgent needs, UBEST Automation stocks genuine units ready to ship. Visit ubest101.myshopify.com for pricing and availability.\u003c\/p\u003e\u003ch2\u003eTroubleshooting Common Issues\u003c\/h2\u003e\u003cp\u003eIf the \u003cstrong\u003eSchneider TM2DDI16DT\u003c\/strong\u003e fails to read inputs, first verify the DC supply voltage is within 20.4-28.8 V. Check that the input logic (sink or source) matches field devices. A slow response may indicate high capacitance on the line; ensure wiring length does not exceed recommended limits. The module's 500 V isolation protects against ground loops, but always use shielded cable in noisy environments.\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default","offer_id":44404057112675,"sku":"TM2DDI16DT","price":273.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/TM2DDI16DT__1.jpg?v=1785024592","url":"https:\/\/www.plcsourcepro.com\/products\/schneider-tm2ddi16dt-i-o-expansion-module-scalable-i-o","provider":"PLC Source PRO","version":"1.0","type":"link"}