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Introduction
The Schneider TM3DI8 Discrete Input Module is a compact and reliable expansion component in the Modicon TM3 I/O series, engineered to capture and relay industrial digital signals to TM3 logic controllers. Ideal for applications that require dependable monitoring of binary field devices (such as limit switches, proximity sensors, and pushbuttons), this module translates real‑world ON/OFF status into logic data that automation systems can quickly process.
With an emphasis on rugged industrial performance and seamless integration into automation panels, the TM3DI8 delivers consistent signal acquisition, fast response, straightforward installation, and flexible input compatibility — making it a preferred choice for machine builders and process automation engineers.
Technical Specifications
| Specification | Details |
|---|---|
| Model Number | TM3DI8 |
| Module Type | Discrete Input Expansion Module |
| Compatible Controllers | Modicon TM3 Logic Controllers |
| Digital Input Channels | 8 |
| Input Voltage | 24 V DC |
| Input Signal Type | Sinking or sourcing digital inputs |
| Input Current per Channel | ~6 mA |
| Response Time | ≤ 5 ms |
| Connection | Removable screw or spring‑clamp terminals |
| Mounting | DIN‑rail or symmetrical rail mount |
| Protection Rating | IP20 |
| Operating Temperature | 0 °C to 60 °C |
| Storage Temperature | −25 °C to 70 °C |
| Relative Humidity | 5 %–95 % non‑condensing |
| Dimensions | Approx. 90 mm × 23.5 mm × 70 mm |
| Weight | Approx. 65 g |
