



The Schneider Electric TM3AI8 is an advanced 8‑channel analog input expansion module engineered for Modicon TM3 PLC systems. Designed to accurately acquire multiple process signals, this module supports both voltage and current inputs for versatile industrial automation applications. Its high channel count, precise measurement capability, and compact design make it ideal for machine control, environmental monitoring, and process automation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Analog Input Module |
| Series | Modicon TM3 (for TM3 PLC) |
| Input Channels | 8 |
| Input Type | Single‑ended |
| Input Voltage Range | 0–10 V / ±10 V |
| Input Current Range | 0–20 mA / 4–20 mA |
| Resolution | 12‑bit |
| Sampling Time | Approx. 10 ms per channel |
| Input Impedance | ≥ 1 MΩ (voltage) / ≥ 250 Ω (current) |
| Power Supply | Via PLC backplane ribbon cable |
| Mounting | DIN rail |
| Dimensions (H × W × D) | Approx. 90 × 100 × 70 mm |
| Weight | Approx. 0.32 kg |
| Operating Temperature | 0 °C to 55 °C |
Recommended Related Models
- TM3AI4 – 4‑channel analog input module
- TM3AO4 – 4‑channel analog output module
- TM2AI8HT – 8‑channel analog input module for TM2 PLC systems
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