Schneider Electric TM3DQ8T Discrete Output Module

Product Overview

The Schneider Electric TM3DQ8T is an 8-channel discrete output module from the Modicon TM3 series, designed to expand the capabilities of Modicon M221, M241, M251, and M262 controllers. This module delivers reliable 24V DC transistor outputs with positive logic, providing precise control over industrial devices, including variable speed drives. Its compact design, intuitive installation, and seamless integration with EcoStruxure Machine Expert ensure efficient automation deployment. Moreover, TM3DQ8T supports flexible I/O configurations to meet diverse production demands.

Key Features

• Flexible Expansion: Adds eight discrete outputs to Modicon M2xx controllers for scalable automation systems.

• Robust Design: Insulated outputs protect the internal logic from electrical disturbances up to 500V AC.

• Easy Installation: Removable screw terminals with 5.08mm pitch simplify wiring and maintenance.

• Visual Status Indicators: Each channel includes a green LED for immediate output monitoring.

• Compact Footprint: Measures 27.4mm (W) x 84.6mm (D) x 90mm (H) to fit tight control cabinets.

• Standards Compliant: Certified CE, CULus, UKCA, RCM, and EAC; meets IEC 61131-2 and IEC 61010-2-201.

• Eco-Conscious Packaging: Recycled cardboard packaging minimizes environmental impact.

Technical Specifications

General Information

• Product Type: Discrete output module

• Output Channels: 8 transistor (PNP)

• Output Logic: Positive logic (source)

• Output Voltage: 24 V DC

• Output Current: 50 mA per channel

• Response Time: Fast turn-on/off

• Maximum Leakage Current: 0.1 mA

Electrical & Connection

• Typical Current Consumption: 5 mA at 5 V DC, 10 mA at 24 V DC

• Bus Power Consumption: 20 mA at 24 V DC

• Maximum Cable Distance: <30 m (unshielded)

• Terminal Type: Removable screw, 5.08 mm pitch

• Isolation: 500 V AC between output and internal logic

Mechanical & Environmental

• Mounting: TH35-15 / TH35-7.5 DIN rail or panel with fixing kit

• Housing: Grey, IP20 rated

• Dimensions: 27.4 mm (W) x 84.6 mm (D) x 90 mm (H)

• Weight: 0.110 kg

• Operating Altitude: 0–2000 m

• Pollution Degree: 2

• Shock Resistance: 15 gn / 11 ms

Compatibility

• Modicon M221, M241, M251, M262 controllers

• Software: EcoStruxure Machine Expert (Standard/Professional)

Typical Applications

• Discrete control of motors, pumps, and actuators in industrial environments.

• Integration with variable speed drives for flexible process automation.

• Expansion of existing Modicon PLC systems for enhanced machine performance.

• Suitable for packaging, material handling, and assembly line automation.

Support & Maintenance

• Compatible with firmware updates for TM3 Digital IO modules (V28).

• Easy module replacement with interlocking assembly and bus expansion connector.

• Reliable long-term operation supported by Schneider Electric’s global service network.

FAQ

Q: Can TM3DQ8T control AC loads?
A: No, it is designed for 24V DC transistor outputs only.

Q: What software is required for programming?
A: EcoStruxure Machine Expert Standard or Professional edition supports this module.

Q: How many outputs can be expanded with TM3 modules?
A: Multiple TM3 expansion modules can be connected, limited only by controller capacity.

Q: Is the module suitable for outdoor installations?
A: No, the TM3DQ8T is rated IP20 and intended for indoor control cabinets only.