TWDDDO8TT Twido Output Module – 8 Transistor Outs, Source

TWDDDO8TT – Twido Discrete Output Module, 8 Transistor Outputs

TWDDDO8TT is a discrete output expansion module from Schneider Electric’s Twido series. It delivers 8 transistor outputs (0.3 A each, source logic) on a single common line. The removable screw terminal block simplifies wiring and maintenance. This module fits compact control cabinets and supports 24 V DC loads.

Oiltech Controls’ Insight – Why This Module?

• Perfect for small to mid-size PLC systems needing extra digital outputs.
• Source transistor outputs drive relays, solenoids, and indicator lamps directly.
• Short-circuit and overload protection reduce downtime.
• Fast response (300 µs ON / 450 µs OFF) suits high-speed sequencing.
• CE, UL, CSA certified – ready for global industrial projects.

Technical Data – at a Glance

• Outputs: 8 x transistor, source type, 24 V DC
• Current: 0.3 A per channel, 2.9 A per common
• Voltage range: 20.4…28.8 V DC
• Response time: 300 µs (ON), 450 µs (OFF)
• Residual voltage: 0.2 V (ON state)
• Protection: overload, short-circuit (electronic)
• Insulation: 1500 Vrms (photocoupler)
• Current consumption: 10 mA (5V, ON), 20 mA (24V, ON)
• Temperature: 0…55 °C (operating), -25…70 °C (storage)
• Protection degree: IP20 (enclosed cabinet)

Terminal Assignment & Wiring

• (0) OUT_DIS#0 … (7) OUT_DIS#7 – output channels
• (COM+) COM_POS – common positive for all outputs
• (V+) PW_NEG – power supply negative (auxiliary)
• Removable screw terminal block – easy replacement
• Single common point – simplifies field wiring

Which Equipment Works Best With TWDDDO8TT?

• Twido compact PLC bases (all Twido models)
• Small conveyor systems with multiple start/stop signals
• Packaging machines requiring fast output switching
• Lighting and indicator panels in control cabinets
• Retrofit projects where extra transistor outputs are needed

5 Professional FAQs – From Experience

Q1: Can this module drive small DC motors directly?

A: Not recommended. Each output is rated 0.3 A (steady). Motors often have inrush current. Use interposing relays for motor loads.

Q2: What happens if I short an output?

A: Built-in short-circuit protection limits current and prevents damage. After fault removal, the output resumes normal operation automatically.

Q3: Is this module compatible with Twido Suite software?

A: Yes. It auto-detects in TwidoSoft or TwidoSuite. Assign outputs in the I/O map and use them in your logic.

Q4: How to choose between source and sink outputs?

A: Source outputs (like this) provide +24 V to the load. Sink outputs connect load to 0 V. Choose based on your field device common wiring.

Q5: The module gets warm – is that normal?

A: Yes, under full load. Ensure adequate ventilation and keep ambient below 55 °C. Derating may apply if all 8 channels run simultaneously.

Shipping & Warranty

• 12-month warranty against defects in material and workmanship.
• 24–28 hours dispatch – we ship within 1 business day.
• Carriers: FedEx, UPS, DHL – choose your preferred express.
• All modules are electrically tested before packing.

Why Buy From Oiltech Controls?

• Over 15 years supplying industrial automation spares.
• Global shipping network – reliable and trackable.
• Tested surplus and refurbished options – cost-effective.
• Every unit verified by our technical team prior to shipment.
• We support obsolete and legacy control systems.

Contact & Support

For inquiries: info@oiltechcontrols.com | +86 158 8020 0923 (WhatsApp)

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