Schneider Electric TM3DI32K Discrete Input Module

Product Description

The Schneider Electric TM3DI32K is a high-performance discrete input module designed to expand 24 V DC digital inputs for Modicon M221, M241, M251, and M262 controllers. It offers 32 logic inputs with flexible sink or source configuration, enhancing your automation system’s scalability and reliability. The module is compact, lightweight, and easily mounts on standard DIN rails, simplifying installation and maintenance.

Moreover, the TM3DI32K provides excellent electrical isolation of 500 V AC between channels and the internal logic, ensuring safe and robust operation. Each channel features a dedicated LED for real-time status monitoring, allowing quick diagnostics during system commissioning. Its HE-10 removable connector ensures secure wiring while supporting modular, customizable I/O expansion.

In addition, the TM3DI32K is fully compatible with Schneider Electric’s EcoStruxure Machine Expert software, enabling intuitive programming and seamless integration with industrial automation applications. The module meets international standards including IEC 61131-2 and IEC 61010-2-201, guaranteeing reliable performance in diverse industrial environments.

Key Features

• 32 discrete inputs, 24 V DC, IEC 61131-2 type 3

• Sink or source input logic for versatile wiring

• 5 mA typical input current per channel

• 500 V AC isolation between inputs and internal logic

• Compact design: 90 mm height × 33.5 mm width × 81.3 mm depth

• DIN rail or panel mounting options for flexible installation

• Local LED per channel for status indication

• IP20 protection rating for safe industrial operation

• CE, CULus, UKCA, RCM, EAC certified

Technical Specifications

General Information

• Range Compatibility: Modicon M221, M241, M251, M262

• Device Application: Industrial automation

• Housing Color: Grey

• Net Weight: 0.11 kg

Electrical Characteristics

• Discrete Input Voltage: 24 V DC

• Input Logic: Sink or Source

• Input Current: 5 mA

• Voltage State 1: 15–28.8 V DC

• Voltage State 0: 0–5 V DC

• Input Impedance: 4.4 kΩ

• Isolation Between Group: 500 V AC

• Isolation Between Channels and Bus: 500 V AC

• Maximum Cable Distance: 30 m (unshielded)

Mechanical Features

• Mounting Support: Top hat TH35-15, TH35-7.5 rail, or panel

• Dimensions: 90 × 33.5 × 81.3 mm (H × W × D)

• Connector: Removable HE-10

Environmental & Compliance

• IP Degree of Protection: IP20

• Pollution Degree: 2

• Operating Altitude: 0–2000 m

• Standards: IEC 61131-2, IEC 61010-2-201

Typical Applications

• Industrial machinery monitoring and control

• Factory automation with Modicon PLC systems

• Process measurement and signal acquisition

• I/O expansion for production lines and packaging systems

• Real-time status monitoring and diagnostics

FAQ

Q1: Which Modicon PLCs are compatible with the TM3DI32K?
A1: The module works with Modicon M221, M241, M251, and M262 logic controllers.

Q2: Can I use the module in high-noise industrial environments?
A2: Yes, the 500 V AC isolation between inputs and internal logic ensures robust operation in noisy conditions.

Q3: How is the module mounted?
A3: It supports TH35-15 or TH35-7.5 DIN rails and can also be installed on panels with a fixing kit.

Q4: Does the module support software integration?
A4: Yes, it integrates seamlessly with EcoStruxure Machine Expert for programming and diagnostics.

Q5: What is the maximum wiring distance for inputs?
A5: Unshielded cables can extend up to 30 meters for standard digital inputs.