Name: TM2DDI8DT Schneider Modicon M238 8 Input Module 24 V DC Screw Block
SKU: TM2DDI8DT
Price: 234.00 USD
Availability: InStock

Product details

TM2DDI8DT Discrete Input Module for Schneider Modicon M238

The TM2DDI8DT is a discrete input module from Schneider Electric. It is built for the Modicon M238 logic controller. It brings 8 inputs at 24 V DC to your system. A removable screw terminal block makes wiring quick. The slim body saves panel space. This module fits Advantys OTB and Twido ranges too.

Top Reasons to Choose It

Brand: Schneider Electric
Model: TM2DDI8DT
Series: Modicon M238
Type: Discrete input module
Inputs: 8
Voltage: 24 V DC
Wiring: 1 removable screw terminal block
Mounting: 35 mm symmetrical DIN rail

Technical Data

Range of Product: Modicon M238 logic controller
Product or Component Type: Discrete input module
Discrete Input Number: 8
Discrete Input Voltage: 24 V
Discrete Input Voltage Type: DC
Range Compatibility: Advantys OTB, Twido
Input Voltage Limits: 20.4 to 28.8 V
Discrete Input Logic: Sink or source
Discrete Input Current: 7 mA
Input Impedance: 3.4 kOhm
Number of Common Point: 1
Response Time: 4 ms at state 0; 4 ms at state 1
Isolation Between Channels: None
Isolation Between Channels and Internal Logic: 500 V for 1 minute
Current Consumption: 25 mA at 5 V DC at state 1 for all inputs
Local Signalling: 1 display block
Electrical Connection: 1 removable screw terminal block
Mounting Support: 35 mm symmetrical DIN rail
Product Weight: 0.22 lb (0.1 kg)

Size and Environment

Depth: 3.33 in (84.6 mm)
Height: 3.54 in (90 mm)
Width: 0.93 in (23.5 mm)
Green Premium: Yes
Compliant: Since 1039, Schneider Electric declaration of conformity
SVHC: Reference does not contain SVHC above the threshold
Availability: Available

Installation Guide

Turn off power before you start.
Clip the module onto a 35 mm DIN rail.
Keep the module in a dry spot.
Wire inputs to the removable screw terminal block.
Pick sink or source logic to match your setup.
Check voltage stays within 20.4 to 28.8 V.
Power up and check the display block.

Setup and Care

The display block shows input state at a glance.
The removable block makes wiring and swaps fast.
The slim body frees up space in the cabinet.
No tools are needed for rail fitting.
Keep spare blocks for quick service.

Compatibility Notes

Made for the Modicon M238 logic controller.
Works with Advantys OTB.
Works with Twido.
Uses a 35 mm symmetrical DIN rail.
Check your I/O plan before you buy.

Expert Review

The TM2DDI8DT is a clean input module for Modicon M238 users. It adds 8 DC inputs in a small frame. The sink or source logic gives you wiring freedom. The 4 ms response time suits most control tasks. The 500 V isolation protects the logic side. The display block helps with fast checks. It is a solid pick for panel builds and upgrades.

Manager’s Insight

This module is a smart spare to keep on the shelf. It fits three ranges, so one part covers more jobs. That cuts stock costs. The screw block makes field swaps quick. The small size helps when space is tight. For M238, OTB, and Twido lines, this is a low-risk buy. It helps keep lines running with less downtime.

Best-Fit Devices and Applications

Packing List and Warranty

1 x TM2DDI8DT discrete input module
1 x removable screw terminal block
Protective packaging
Supplier documents where provided
12-month warranty
12-24 hour dispatch
Shipping by FedEx, UPS, or DHL

FAQ

Q: How many inputs does this module have?

A: It has 8 discrete inputs.

Q: What input voltage does it use?

A: It uses 24 V DC.

Q: What is the input voltage range?

A: The range is 20.4 to 28.8 V.

Q: Can I wire it as sink or source?

A: Yes. The logic supports sink or source.

Q: What is the response time?

A: It is 4 ms at state 0 and 4 ms at state 1.

Q: How do I fit the module?

A: Clip it to a 35 mm DIN rail. Wire the inputs to the screw block. Check the voltage range. Then power up and check the display block.

Q: What if an input does not work?

A: Check the wiring at the screw block. Check the voltage at the input. Make sure sink or source logic is right. Swap the block if needed. If the fault stays, contact our team.

Q: How do I pick the right input module?

A: Start with your controller family. Then check input count, voltage, and logic. Check the mounting type too. For Modicon M238, Advantys OTB, and Twido, the TM2DDI8DT is a direct fit.

Q: What is the current draw?

A: It draws 25 mA at 5 V DC at state 1 for all inputs.

Q: What do I get with the module?

A: You get the module, one removable screw terminal block, and protective packaging. You also get a 12-month warranty. We dispatch in 12-24 hours. We ship by FedEx, UPS, or DHL.