{"product_id":"schneider-electric-tm2ddi8dt-i-o-expansion-module-1","title":"Schneider Electric TM2DDI8DT I\/O Expansion Module","description":"\u003cp\u003eThe Schneider Electric \u003cstrong\u003eTM2DDI8DT\u003c\/strong\u003e is a compact discrete input expansion module engineered for Modicon M238 logic controllers and compatible Twido or Advantys OTB systems. It provides 8 digital input channels operating on 24 VDC to acquire industrial sensor and switch statuses accurately. This unit features a removable screw terminal block for straightforward wiring and maintenance, supporting both sink and source input logic configurations to adapt flexibly to varying field control requirements.\u003c\/p\u003e\n\u003ch3\u003eInput Characteristics and Logic Configuration\u003c\/h3\u003e\n\u003cp\u003eThe module features 8 independent discrete input channels with a nominal voltage of 24 VDC and operating voltage limits ranging from 20.4 to 28.8 VDC. It supports sink or source input logic, accommodating diverse sensor signal orientations. Each input draws approximately 7 mA with an input impedance of 3.4 kOhm, delivering reliable signal detection across standard industrial control loops.\u003c\/p\u003e\n\u003ch3\u003ePerformance and Isolation\u003c\/h3\u003e\n\u003cp\u003eResponse times for both state 0 and state 1 transitions are fixed at 4 ms, ensuring dependable temporal resolution for standard monitoring tasks. The module provides an isolation voltage of 500 V for 1 minute between the input channels and internal logic circuitry, while channel-to-channel isolation is not provided. Local status is indicated via a dedicated 1 display block.\u003c\/p\u003e\n\u003ch3\u003ePhysical and Environmental Specifications\u003c\/h3\u003e\n\u003cp\u003eDesigned for streamlined panel installation, the unit mounts directly onto a 35 mm symmetrical DIN rail. It has physical dimensions of 90 mm in height, 23.5 mm in width, and 84.6 mm in depth, with a net weight of 0.1 kg. Electrical field connections are terminated through a single removable screw terminal block to facilitate quick replacement without disturbing field wiring.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eTM2DDI8DT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSchneider Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eI\/O Expansion Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Range\u003c\/td\u003e\n\u003ctd\u003eModicon M238 logic controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiscrete Input Number\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiscrete Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24 V DC\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 Logic\u003c\/td\u003e\n\u003ctd\u003eSink or source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiscrete Input 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\u003eNumber of Common Points\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e4 ms (state 0 and state 1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Isolation\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Isolation\u003c\/td\u003e\n\u003ctd\u003e500 V for 1 minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e25 mA at 5 V DC (state 1, all inputs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Connection\u003c\/td\u003e\n\u003ctd\u003e1 removable screw terminal block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Support\u003c\/td\u003e\n\u003ctd\u003e35 mm symmetrical DIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd\u003e90 mm x 23.5 mm x 84.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e0.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the TM2DDI8DT module be used with controllers other than the Modicon M238?A: Yes, this expansion module is also compatible with Twido and Advantys OTB systems, depending on the system configuration and bus structure.\u003c\/p\u003e\n\u003cp\u003eQ: Does the module support both positive and negative common wiring arrangements?A: Yes, the discrete inputs support both sink and source logic configurations, allowing flexibility for connection to various types of sensors and field devices.\u003c\/p\u003e","brand":"Schneider Electric","offers":[{"title":"Default Title","offer_id":67051383652467,"sku":"TM2DDI8DT","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/TM2DDI8DT_Cocoai_a5125bd0-3902-48f3-932b-c3ed7c47d60a.jpg?v=1793263995","url":"https:\/\/www.dcssupplier.com\/ar\/products\/schneider-electric-tm2ddi8dt-i-o-expansion-module-1","provider":"DcsSupplier Limited","version":"1.0","type":"link"}