Twido TWDDDI16DT Discrete Input Module – 16-Channel DC
Designed for Modicon Quantum & Twido control systems. Offers 16 discrete DC inputs with sink/source logic. Compact and reliable for industrial automation. Direct replacement for legacy I/O modules.
Technical Specifications
| Brand | Schneider Electric |
| Model | TWDDDI16DT |
| Series | Twido |
| Type | Discrete input module |
| Inputs | 16 channels, 24 V DC |
| Input voltage range | 20.4…28.8 V DC |
| Input current (per point) | 7 mA |
| Input impedance | 3.4 kΩ |
| Filter time | 8 ms (state 0 & 1) |
| Logic type | Sink or source |
| Isolation (channel to logic) | 1500 Vrms (photocoupler) |
| Current consumption (5 V) | 40 mA (all inputs ON) 5 mA (all inputs OFF) |
| Operating temperature | 0…55 °C |
| Storage temperature | -25…70 °C |
| Protection | IP20 |
| Weight | 0.1 kg |
Key Features & Diagnostics
- 16 independent inputs with common point (COM_POS / COM_NEG).
- Removable screw terminal block for easy wiring.
- Built-in photocoupler isolation (1500 Vrms).
- Diagnostic LED indicators per channel (not shown, standard).
- Supports sink/source wiring – flexible integration.
- Filter time 8 ms reduces noise and contact bounce.
Installation & Compatibility
- Direct mount on Twido base or Modicon Quantum racks (with adapter).
- Terminals: PLC n°1 (COM_POS#0-7 / #8-15) and PLC n°2 (COM_NEG#0-7 / #8-15).
- Inputs numbered 0…15 – clear labeling on module.
- No external power supply needed – draws from backplane.
- Compatible with Twido Suite and EcoStruxure Machine Expert.
Maintenance & Troubleshooting
- Hot-swappable under normal conditions (check system).
- Filter time fixed – no user adjustment required.
- Use standard 24 V DC sensors (PNP/NPN).
- Check common connections if multiple inputs fail.
- LED per channel for quick status check.
Certifications & Environment
- Certified CSA, UL – meets industrial safety standards.
- CE marked – complies with EU directives.
- IP20 – suitable for control cabinet installation.
- Operating range 0…55 °C, storage -25…70 °C.
Package Contents
- 1 × TWDDDI16DT discrete input module
- Removable screw terminal block (pre-installed)
- Quick start guide (digital download)
Warranty & Logistics
- 12-month warranty against defects.
- Shipping: FedEx, UPS, DHL – worldwide express.
- Technical verification before shipment.
Typical Applications
- PLC input expansion for Modicon Quantum & Twido.
- Industrial conveyor systems – sensor monitoring.
- Packaging machines – limit switch & proximity sensor input.
- HVAC control – status feedback from valves/dampers.
- Material handling – photoeye and encoder signals.
Diagnostic Capabilities
- Per-channel LED indicators (ON/OFF status).
- Backplane communication monitoring via PLC status.
- Short-circuit protection (internal).
- Filter time rejects high-frequency noise.
FAQ – Quick Answers
- Q: Can I use this with a 12 V sensor?
A: No – requires 24 V DC (20.4…28.8 V). - Q: Is it compatible with Quantum racks?
A: Yes, via adapter – see Modicon Quantum. - Q: How many commons?
A: One common per 8 inputs (COM_POS / COM_NEG). - Q: What is the filter time?
A: 8 ms fixed – no adjustment. - Q: Is it sink or source?
A: Both – configurable by wiring.
Why Buy From Oiltech Controls?
- 15+ years in industrial automation spare parts.
- Global shipment support – FedEx, UPS, DHL.
- Tested industrial surplus / refurbished options.
- 12-month warranty on all modules.
- Technical verification before dispatch.
- Support for obsolete control systems.
Contact Inquiries:
info@oiltechcontrols.com
| +86 158 8020 0923
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Original Source: https://www.oiltechcontrols.com/
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