| Main information | 
| Part Number | TM2DDI8DT | 
| Product Series | Modicon M238 Logic Controller | 
| product type | I/O expansion module | 
| Discrete input quantity | 8 | 
| Discrete input voltage | 24V | 
| Discrete input voltage type | DC | 
| Additional information | 
| scope of application | Twido | 
| Advantys OTB | 
| Input voltage limit | 20.4…28.8 V | 
| discrete input logic | Sink or source | 
| Discrete input current | 7 mA | 
| input resistance | 3.4 kOhm | 
| Number of connection points | 1 | 
| Response time | 4 ms in 0 state | 
| 4 ms in 1 state | 
| Channel-to-channel isolation | None | 
| Isolation between each channel and internal logic | 500 V for 1 minute | 
| current consumption | 25 mA at 5 V DC at 1 state for all inputs | 
| local signal indication | 1 display block | 
| Electrical connections | 1 removable screw terminal | 
| installation method | 35 mm DIN rail | 
| product weight | 0.1kg | 
| Environment | 
| depth | 84.6mm | 
| high | 90 mm | 
| width | 23.5 mm | 
| Packaging unit | 
| Unit Type of Package 1 | PCE | 
| Number of Units in Package 1 | 1 | 
| Package 1 Height | 7.6cm | 
| Package 1 Width | 10.6 cm | 
| Package 1 Length | 12.8 cm | 
| Package 1 Weight | 182.0g | 
| Unit Type of Package 2 | S02 | 
| Number of Units in Package 2 | 10 | 
| Package 2 Height | 15.0cm | 
| Package 2 Width | 30.0cm | 
| Package 2 Length | 40.0cm | 
| Package 2 Weight | 2.116 kg | 
| Contract warranty | 
| Warranty | 18 months |