TM3DQ16T | Schneider Modicon TM3 16-Output Transistor Module Supplier

What Makes the TM3DQ16T a Reliable Choice for Discrete Output Control?

When you need to switch multiple loads with speed and precision, the TM3DQ16T from Schneider Electric offers a robust solution. This discrete output module belongs to the Modicon TM3 family and provides 16 transistor outputs with PNP positive logic. It is designed for seamless integration with Modicon M221, M241, M251, and M262 controllers, making it a versatile component for industrial automation.

Core Specs and Performance Metrics of the TM3DQ16T

• Output Type: 16 transistor outputs, PNP (source), positive logic.
• Output Voltage: 24 V DC for transistor outputs.
• Output Current: 500 mA per transistor output.
• Response Time: 450 µs for both turn-on and turn-off.
• Maximum Leakage Current: 0.1 mA per transistor output.
• Maximum Voltage Drop: Less than 0.4 V.
• Maximum Tungsten Load: Less than 3 W per transistor output.
• Current Consumption: 15 mA at 5 V DC (state on) and 20 mA at 24 V DC (state on) via bus connector.
• Electrical Connection: 10 x 1.5 mm² removable screw terminal block with 3.81 mm pitch.
• Dimensions: Height 90 mm, Depth 84.6 mm, Width 27.4 mm, Net weight 0.11 kg.

One distinctive spec is the 450 µs response time. This fast switching capability minimizes delays in control loops, which is critical for applications requiring precise timing, such as packaging or material handling.

Real-World Applications for the TM3DQ16T

In manufacturing environments, the TM3DQ16T excels at controlling solenoid valves, indicator lights, and small motor starters. For example, in a conveyor system, its 16 outputs can manage multiple zones independently, while the fast response ensures smooth material flow. Additionally, its compatibility with Modicon M221 and M251 controllers makes it ideal for upgrading older relay-based systems to transistor-based control, reducing wear and improving cycle times.

Installation and Mounting Guide

Mount the TM3DQ16T on a top hat TH35-15 or TH35-7.5 DIN rail per IEC 60715, or on a panel using a fixing kit. Use the removable screw terminal block with 3.81 mm pitch for wiring outputs. Ensure unshielded cable lengths do not exceed 30 meters for transistor outputs to maintain signal integrity. The module draws power from the bus connector, so no separate power supply is needed for the logic side.

Maintenance and Reliability Tips

For long-term reliability, operate the TM3DQ16T within its specified ambient temperature range: -10 to 55 °C for horizontal installation or -10 to 35 °C for vertical installation. Keep relative humidity between 10% and 95% without condensation. The IP20 protection rating with a protective cover in place guards against dust and accidental contact. Periodically inspect the terminal block connections for tightness, as vibration can loosen screws over time.

Compatibility and Integration

The TM3DQ16T is compatible with Modicon M221, M241, M251, and M262 controllers via the bus connector. It is certified to IEC 61131-2 and carries multiple approvals including cULus, CE, UKCA, RCM, EAC, and cULus HazLoc. This broad certification ensures it meets safety and performance standards for global use.

Frequently Asked Questions About the TM3DQ16T

Q: What is the maximum current per output on the TM3DQ16T?

A: Each transistor output can handle up to 500 mA at 24 V DC.

Q: Can the TM3DQ16T be used with Modicon M221?

A: Yes, the TM3DQ16T is compatible with Modicon M221, M241, M251, and M262 controllers.

Q: What is the response time of the TM3DQ16T outputs?

A: Both turn-on and turn-off response times are 450 µs.

Q: Does the TM3DQ16T require a separate power supply?

A: No, it draws power from the bus connector; 15 mA at 5 V DC and 20 mA at 24 V DC when outputs are on.

Q: What is the leakage current when outputs are off?

A: The maximum leakage current is 0.1 mA per transistor output.

Product Support and Availability

The TM3DQ16T is in stock and ready to ship from Petro Auto Tech. As a trusted supplier of industrial automation parts, we ensure fast delivery and reliable service. Contact our team for pricing and lead times.