TM2DDI16DK 16-Channel Input Module – Modicon M238 24V DC

Product Overview – TM2DDI16DK

• Type: Discrete Input Module
• Brand: Schneider Electric
• Model: TM2DDI16DK
• Series: Modicon M238
• Inputs: 16 channels, 24 V DC
• Logic: Sink or source
• Connection: 1 x HE10 connector
• Mounting: 35 mm DIN rail

Technical Data – Tree Structure

• Electrical
  • Voltage: 24 V DC (20.4…28.8 V)
  • Current per input: 5 mA
  • Input impedance: 4.4 kΩ
  • Common point: 1
  • Isolation (channel to logic): 500 V AC (1 min)
  • No isolation between channels
• Performance
  • Response time: 4 ms (ON and OFF)
  • Power consumption: 35 mA at 5 V DC (all inputs ON)
• Physical
  • Width: 21.4 mm
  • Height: 90 mm
  • Depth: 81.3 mm
  • Weight: 0.1 kg
• Environmental
  • Operating temperature: 0…55 °C
  • Storage: -25…70 °C
  • Humidity: 5…95 % (non-condensing)
• Indication
  • 2 display blocks for local status

Expert Review

TM2DDI16DK offers reliable 24 V DC input sensing for M238 controllers. The 4 ms response fits fast logic tasks. Sink/source flexibility eases wiring. Compact 21.4 mm width saves panel space. A solid choice for discrete automation.

Manager’s Insight

This module simplifies field wiring with one HE10 connector. It works with Twido and Advantys OTB systems. The 500 V isolation protects the CPU. Use it for conveyor, packaging, or small machine control.

Compatible Devices & Applications

• Controllers: Modicon M238, Twido, Advantys OTB
• Applications: Conveyor systems, packaging machines, material handling
• I/O types: Digital sensors, pushbuttons, limit switches, proximity sensors
• Industries: Factory automation, food & beverage, automotive parts

Comparison – Similar Models

• TM2DDI8DT – 8 inputs, 24 V DC, sink/source
• TM2DDI16DT – 16 inputs, 24 V DC, terminal block
• TM2DDI32DK – 32 inputs, 24 V DC, HE10

FAQ – Professional Questions

• Q: What is the response time of TM2DDI16DK?
• A: 4 ms for both ON and OFF transitions.
• Q: Can I use this module with Twido controllers?
• A: Yes, it is compatible with Twido and Advantys OTB.
• Q: Does it support both sink and source wiring?
• A: Yes, you can configure it as sink or source.
• Q: What is the input current per channel?
• A: 5 mA at 24 V DC.
• Q: Is isolation provided between input channels?
• A: No, channels are not isolated from each other.

Experience-based FAQ & Selection Guide

• Q: How to avoid false triggers in noisy environments?
• A: Use shielded cables and keep wiring away from power lines.
• Q: Which fuse should I use for the 24 V supply?
• A: A 2 A fast-blow fuse is recommended per module.
• Q: Can I connect NPN and PNP sensors together?
• A: No, choose sink or source mode for all inputs.
• Q: What is the typical lifespan of this module?
• A: Over 10 years under normal operating conditions.
• Q: How to check module status without software?
• A: Use the two LED blocks on the front panel.
• Q: Does it support hot-swapping?
• A: No, turn off power before installation or removal.

Selection Guide – What to Consider

• Count your total digital inputs – 16 channels fit most small machines.
• Check sensor type – NPN or PNP – both are supported (sink/source).
• Wiring convenience – HE10 connector speeds up cabling.
• Space – 21.4 mm width leaves room for other modules.
• Budget – cost-effective compared to 32-input versions.

Warranty, Shipping & Support

• Warranty: 12 months against manufacturing defects.
• Dispatch: 12–24 hours after order confirmation.
• Couriers: FedEx, UPS, DHL (express delivery).

Contact Information

For inquiries: sales@powergearx.com
WhatsApp: +86 18030005825

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