Schneider Electric Modicon TM3DI16 Discrete Input Module

Product Overview

The Schneider Electric Modicon TM3DI16 is a high-performance discrete input module designed to expand the digital input capacity of Modicon logic controllers. With 16 reliable 24V DC inputs, this module ensures seamless integration with M221, M241, M251, and M262 PLCs. Its compact design allows mounting on standard DIN rails, making installation fast and effortless. Moreover, its IP20-rated housing ensures protection in typical industrial environments. Engineers benefit from simplified wiring using the removable screw terminals with 3.81 mm pitch, while robust insulation guarantees safe operation in demanding applications.

Key Features and Functional Highlights

• 16 digital inputs compatible with IEC 61131-2 Type 3 standards.

• Supports both sink and source input logic for flexible signal integration.

• Removable screw terminal block simplifies field wiring and maintenance.

• Compact dimensions (90 mm H × 27.4 mm W × 84.6 mm D) save panel space.

• Built-in LED indicators for real-time status monitoring per channel.

• Robust insulation: 500 V AC between inputs and bus, 1500 V AC between output and supply.

• Mountable on TH35-7.5 or TH35-15 rails, or panel with fixing kit.

• CE, CULus, UKCA, RCM, and EAC certified for international compliance.

Technical Specifications

• Discrete Input Number: 16

• Input Voltage: 24 V DC

• Logic Type: Sink or Source (positive/negative)

• Input Current: 7 mA

• Voltage State 1 Guaranteed: 15–28.8 V DC

• Voltage State 0 Guaranteed: 0–5 V DC

• Current State 1 Guaranteed: ≥ 2.5 mA

• Current State 0 Guaranteed: ≤ 1 mA

• Input Impedance: 3.4 kΩ

• Typical Current Consumption: 34 mA at 5 V DC

• Max Cable Distance: <50 m (unshielded)

• Isolation: 500 V AC (between channels and bus)

• Mounting: DIN Rail TH35-7.5/15 or panel

• Housing Color: Grey

• Protection Degree: IP20

• Operating Altitude: 0–2000 m

• Shock Resistance: 15 gn, 11 ms

Typical Applications

• Industrial machine control and automation systems.

• Factory process monitoring requiring discrete signal collection.

• Expansion of Modicon M221, M241, M251, or M262 PLCs digital inputs.

• Integration in packaging, assembly lines, or material handling systems.

• Remote signal acquisition in energy, water, or manufacturing plants.

FAQ

Q1: Which Modicon controllers are compatible with TM3DI16?
A1: The module works with Modicon M221, M241, M251, and M262 PLCs.

Q2: What type of input logic does this module support?
A2: It supports both sink and source (positive/negative) digital inputs.

Q3: How is the module mounted?
A3: You can mount it on TH35-7.5 or TH35-15 DIN rails or on a panel with a fixing kit.

Q4: Is it suitable for harsh industrial environments?
A4: Yes, it is IP20-rated and compliant with international industrial standards.

Q5: What diagnostics are available?
A5: Each channel has a green LED for real-time status indication.