Brand:Schneider PLC Item No.:TWDDDI16DT Product Origin:France Product Dimensions:202 × 21 × 261 mm Product Weight:0.08 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Schneider TWDDDI16DT Digital Input Module is a Twido expansion module designed to enhance PLC input capability in compact automation applications. Featuring 16 digital input channels with 24 VDC signal support, it enables Twido controllers to connect with a broader range of industrial sensors and switching devices.
Built for reliable industrial operation, the TWDDDI16DT combines flexible wiring options, stable signal detection, and compact installation characteristics. It is widely applied in machine automation, equipment monitoring, and control system expansion projects where additional digital inputs are required.
Technical Specifications
Specification
Details
Manufacturer
Schneider Electric
Model
TWDDDI16DT
Product Family
Twido
Module Type
Digital Input Module
Number of Inputs
16 Digital Inputs
Input Voltage
24 VDC
Input Voltage Range
20.4…28.8 VDC
Input Type
Source / Sink
Rated Input Current
7 mA per input at 24 VDC
Input Impedance
3.4 kΩ
Input Signal Type
Static
Input Standard
IEC 61131-2 Type 1
Common Lines
1
Isolation
Photocoupler Isolation
Turn-On Time
Approx. 8 ms
Turn-Off Time
Approx. 8 ms
Connection Type
Terminal Block
Operating Temperature
0…55°C
Storage Temperature
-25…70°C
Protection Rating
IP20
Mounting Type
DIN Rail Installation
Dimensions
Approx. 81.3 × 17.6 × 94.5 mm
Weight
Approx. 0.065 kg
Recommended Companion Models
Model
Product Name
Schneider TWDDDO16TK
Twido Digital Output Module
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Twido Compact Controller Module
Schneider TWDAMI4LT
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Schneider TWDAVO2HT
Twido Analog Output Module
Frequently Selected Alternatives
Model
Product Name
Schneider TWDDDI16DK
Twido Digital Input Module
Schneider TWDDDI32DK
Twido 32-Channel Digital Input Module
Schneider TM3DI16
Modicon TM3 Digital Input Module
Schneider TM2DDI16DT
Modicon Digital Input Module
Where It Excels in Industrial Use
• Compact PLC Input Expansion for Machine Automation
The Schneider TWDDDI16DT is a Twido digital input module designed to extend PLC input capacity with 16 additional 24 VDC discrete input channels. It provides a practical solution for connecting sensors, switches, and field devices in compact industrial automation systems.
• Reliable Field Signal Collection
Designed for industrial environments, the module efficiently collects ON/OFF signals from proximity sensors, limit switches, push buttons, and other digital devices, helping Twido controllers manage machine sequences and monitoring tasks.
• Twido Control System Expansion
The TWDDDI16DT allows engineers to increase available digital inputs without replacing the existing controller, making it suitable for production equipment upgrades and automation system extensions.
• Legacy Automation Equipment Maintenance
With its established Twido platform compatibility, the module remains a useful choice for maintaining existing PLC installations that require dependable digital input replacement or expansion.
Key Strengths at a Glance
• 16-Channel 24 VDC Input Capacity
Provides 16 digital input points for monitoring industrial devices, enabling efficient connection of multiple field signals within a compact PLC architecture.
• Source and Sink Input Compatibility
Supports both source and sink type 24 VDC input signals, allowing flexible wiring configurations for different industrial sensor applications.
• Optically Isolated Input Protection
The module uses photocoupler isolation between input terminals and internal circuits, improving electrical separation and system reliability in industrial environments.
• Space-Efficient Twido Integration
Designed for Twido expansion architectures, the module provides a compact approach to increasing I/O capacity while maintaining simple PLC system design.
Technical FAQs
1. What type of product is the Schneider TWDDDI16DT?
The Schneider TWDDDI16DT is a Twido digital input expansion module designed to provide additional 24 VDC discrete input channels for PLC systems.
2. How many digital inputs does the TWDDDI16DT provide?
The module provides 16 digital input channels for connecting external industrial devices.
3. What input voltage does the TWDDDI16DT support?
The TWDDDI16DT supports 24 VDC input signals with an operating voltage range of approximately 20.4 to 28.8 VDC.
4. Can the TWDDDI16DT work with both PNP and NPN sensors?
Yes. The module supports both source and sink input signal configurations, allowing compatibility with different sensor wiring methods.
5. What type of devices can be connected to the TWDDDI16DT?
The module can be connected to digital devices such as proximity sensors, push buttons, selector switches, and limit switches used in automation systems.
6. Which PLC family is compatible with the TWDDDI16DT?
The TWDDDI16DT is designed for Schneider Electric Twido PLC systems and Twido expansion configurations.
7. What is the input current of the TWDDDI16DT?
The module has a rated input current of approximately 7 mA per input channel at 24 VDC.
8. Does the TWDDDI16DT provide electrical isolation?
Yes. The module provides photocoupler isolation between input terminals and internal circuitry for improved protection.
9. What programming software is used with the TWDDDI16DT?
The module is configured through Schneider Electric Twido programming software as part of the PLC hardware configuration.
10. Is the TWDDDI16DT suitable for existing automation systems?
Yes. It is commonly used for maintenance, replacement, and expansion projects involving existing Twido PLC installations.
