TWDDDI32DK – 32-Channel 24V DC Discrete Input Module
Series: Twido | Brand: Schneider Electric | Type: Discrete Input Module
High-density 32-point DC input module for Twido programmable controllers. Supports sink/source logic with 24 V DC operation. Compact design reduces panel space while maintaining robust isolation and reliable signal conditioning.
Product Description
The TWDDDI32DK provides 32 discrete inputs in a single module. It directly interfaces with field sensors, pushbuttons, and limit switches. Each channel offers 4.4 kΩ impedance and 5 mA nominal current. The module filters noise with 8 ms time constants for stable state detection. LED indicators (not integrated) simplify troubleshooting via the HE-10 connector.
Key Features
- 32 discrete inputs – 24 V DC, sink/source configurable
- Common point grouping: 2 groups of 16 inputs
- Photocoupler isolation: 1500 Vrms (1 min) between field and logic
- Low power consumption: 10 mA (state 0) / 65 mA (state 1) at 5 V DC
- Operating temperature: 0…55 °C ; storage: -25…70 °C
- CE, CSA, UL certified ; IP20 protection
Technical Specifications
| Inputs | 32 discrete, 24 V DC (sink/source) |
| Voltage range | 20.4…28.8 V DC |
| Input current | 5 mA (nominal) |
| Input impedance | 4.4 kΩ |
| Filter time | 8 ms (ON/OFF) |
| Isolation | 1500 Vrms (photocoupler) |
| Power supply (5 V) | 10 mA (all OFF) / 65 mA (all ON) |
| Common points | 2 groups (16 inputs/group) |
| Connection | HE-10 connector |
| Protection | IP20 |
| Weight | 0.1 kg |
Environmental & Certifications
- Operating: 0…55 °C ; storage: -25…70 °C
- Certifications: CE, CSA, UL
- RoHS compliant (EU 0630)
- Isolation withstand: 1500 Vrms for 1 min
Installation & Commissioning
- Mount on DIN rail or panel (standard Twido base)
- Connect field wiring via HE-10 female connector (not supplied)
- Configure sink/source per group (jumper selectable)
- Check filter time: fixed 8 ms for both transitions
- Verify power supply: 5 V DC from backplane
Diagnostic & Troubleshooting
- Monitor input status via Twido configuration software
- Check voltage between 0 V and input terminal (20.4…28.8 V)
- Verify common point wiring – 2 independent groups
- Isolation test: 1500 Vrms only between field and logic
- No onboard LEDs – use HE-10 breakout for visual check
Compatibility
- Designed for Twido series PLCs (TWDLCA* , TWDLMDA*)
- Works with all Twido compact and modular bases
- Not compatible with Modicon Quantum or M340 systems
FAQ – Frequently Asked Questions
Q: Can I mix sink and source sensors on the same module?
A: Yes, per common group – each of the 2 groups can be set independently.
Q: What is the maximum cable length?
A: Keep field wiring under 30 m for reliable operation (depends on cable capacitance).
Q: Does the module support hot-swap?
A: No – always disconnect power before inserting/removing.
Q: How to check input status without software?
A: Use a breakout board with LEDs on the HE-10 connector.
Why Buy From Oiltech Controls?
- Over 15 years supplying industrial automation spares
- Global shipping via FedEx, UPS, DHL
- Every unit tested prior to shipment (functional & isolation)
- 12-month warranty against manufacturing defects
- Support for obsolete systems – we verify compatibility
- Technical support before and after purchase
Package Includes
- TWDDDI32DK module (1 pc)
- No accessories (HE-10 connector, cables not included)
- Documentation: user manual (downloadable)
Shipping & Delivery
- Express couriers: FedEx, UPS, DHL (tracked)
- Insurance included for full value
- Delivery: 2–5 business days (depending on zone)
Contact Information
For inquiries: info@oiltechcontrols.com | +86 158 8020 0923
Copyright © 2026 Oiltech Controls Limited. All rights reserved.
Original Source: https://www.oiltechcontrols.com/
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