Introduction

The Schneider TM3DI16G Discrete Input Module is a rugged, high‑performance digital input expansion unit from the Modicon TM3 I/O platform. Designed to interface directly with TM3 logic controllers, this module captures up to sixteen industrial digital signals from field devices such as switches, sensors, and safety interlocks. Its reliable acquisition and fast response make it an excellent choice for machine control, status monitoring, and automation logic execution in demanding industrial environments.

Built for simplicity, flexibility, and industrial endurance, the TM3DI16G enhances your control system by providing scalable digital input capacity while maintaining seamless integration with the TM3 controller family.

Technical Specifications

Technical FAQs

1. How many discrete inputs are available on the TM3DI16G?
There are 16 independent digital input channels.

2. What voltage level do the inputs accept?
Inputs are designed for 24 V DC industrial signals.

3. Are both sinking and sourcing input types supported?
Yes — this module accommodates both sinking and sourcing signals.

4. How quickly does the module detect input changes?
Digital signal response time is typically ≤ 5 ms.

5. What types of devices can be connected?
It interfaces with switches, pushbuttons, proximity sensors, safety interlocks, and other discrete devices.

6. How are the field wires connected?
Via removable screw or spring‑clamp terminals for straightforward wiring.

7. What mounting options are available?
Standard DIN‑rail or symmetrical rail mounting is supported.

8. Can this module be used in harsh industrial environments?
Yes, it’s designed to handle industrial temperature and humidity ranges with IP20 protection.

9. Does it have onboard status indicators?
Depending on system configuration, TM3 setups often include channel‑level or module‑level LED indicators for signal state.

10. Is it compatible with other TM3 I/O modules?
Yes, it works seamlessly with other TM3 discrete, analog, mixed, and specialty modules.