Skip to main content
Schneider Electric TM2DDI8DT

Schneider TM2DDI8DT 8-Channel Input Module, 24 V DC

MPNTM2DDI8DT
Obsolete

Schneider TM2DDI8DT I/O expansion module, 8 discrete inputs, 24 V DC sink/source, 4 ms response, 35 mm DIN rail mount.

$342.62Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

TM2DDI8DT key specifications
ParameterValue
Range of productModicon M238 logic controller
Product or component typeI/O expansion module
Discrete input voltage typeDC
Input voltage limits20.4...28.8 V
Discrete input voltage24 V
Current consumption25 mA 5 V DC at state 1 for all input
Discrete input current7 mA
Mounting support35 mm symmetrical DIN rail
Electrical connection1 removable screw terminal block
Response time4 ms at state 0 4 ms at state 1
Depth3.3 in (84.6 mm)
Width0.9 in (23.5 mm)

All specifications

TM2DDI8DT additional specifications
ParameterValue
Height3.5 in (90 mm)
CategoryUS1PC1222531
Input impedance3.4 kOhm
Local signalling1 display block
Discrete input logicSink or source
Discrete input number8
Number of common point1
Isolation between channels and internal logic500 V for 1 minute

Product details

The TM2DDI8DT is an 8-channel 24 V DC discrete input expansion module for the Modicon M238 logic controller family. Each input is sink or source configurable, draws 7 mA at the rated voltage, and has a 3.4 kΩ input impedance. The response time is 4 ms for both state 0 and state 1 transitions.

Mounting and connection

It ships with one removable screw terminal block for field wiring. Physical footprint: 23.5 mm wide, 84.6 mm deep, 90 mm tall. The kit includes the module and terminal block — no hidden add-ons needed for a clean install.

Frequently asked questions

What are the key electrical ratings of the TM2DDI8DT?

It provides 8 sink/source 24 V DC inputs with a 3.4 kΩ impedance, 7 mA per channel, 4 ms response time, and draws 25 mA from the 5 V DC backplane.

What is the width and depth of the TM2DDI8DT?

Width is 0.9 in (23.5 mm), depth is 3.3 in (84.6 mm), height is 3.5 in (90 mm).

MPN
TM2DDI8DT