Schneider TWDDDI32DK 24V DC Input Module

Schneider Electric TWDDDI32DK Twido Discrete Input Module

Product Introduction

The Schneider Electric TWDDDI32DK is a versatile digital input module designed to expand the capabilities of your Twido PLC system. This module efficiently monitors up to 32 discrete 24V DC signals from sensors, pushbuttons, and other field devices. Furthermore, its flexible sink/source logic configuration ensures compatibility with various wiring conventions. Consequently, the TWDDDI32DK simplifies the process of integrating numerous digital inputs into a compact control architecture.

Technical Specifications of the Twido TWDDDI32DK Module

This section details the key technical parameters that define the performance of the TWDDDI32DK.

• Input Specifications: The module provides 32 discrete input channels. It operates with a 24V DC nominal voltage, with acceptable limits ranging from 20.4V to 28.8V DC. The input current is typically 5 mA per channel, which is powered by an input impedance of 4.4 kOhm.

• Input Logic and Wiring: The discrete input logic supports both sink and source configurations. This feature provides great flexibility when connecting to different types of sensors. The module is equipped with an HE-10 connector for I/O wiring and includes two common points for organized field wiring.

• Performance & Filtering: Each input features a built-in filter time of 8 ms for both state 0 and state 1. This filtering helps to reject high-frequency noise and contact bounce, ensuring stable signal reading. Moreover, the module provides photoisolator insulation of 1500 Vrms for one minute between the channels and the internal logic, enhancing system safety.

• Power Consumption: For power budgeting, note that the TWDDDI32DK consumes 10 mA at 5V DC when all inputs are at state 0. However, when all 32 inputs are energized (state 1), consumption rises to 65 mA at 5V DC.

Mechanical and Environmental Parameters

Understanding the physical and operational limits of the TWDDDI32DK is crucial for a successful installation.

• Operating Environment: The module is rated for an ambient air temperature between 0°C and 55°C during operation. For storage, it can withstand temperatures from -25°C up to 70°C.

• Protection and Certifications: It carries an IP20 protection degree, making it suitable for installation in a clean, dry control cabinet. The TWDDDI32DK holds CSA and UL certifications, confirming its compliance with North American safety standards. It is also CE marked and RoHS compliant, aligning with European environmental directives.

Installation Guide for the TWDDDI32DK

Installing the Schneider TWDDDI32DK module is a straightforward process, but following these steps will ensure reliable operation.

1. Mounting: First, ensure the Twido base unit is powered off. Then, attach the TWDDDI32DK to the right side of the controller or an existing expansion module using the built-in clip mechanism. It is designed for DIN-rail mounting.

2. Wiring: Connect your field devices to the HE-10 connector using the appropriate cabling. For instance, a pre-assembled cable with a HE-10 connector on one end and flying leads on the other is recommended. Pay close attention to the wiring diagram to connect the signal, common, and any necessary shielding to the correct pins.

3. Configuration: After physical installation, proceed to the software configuration. Use TwidoSuite or the programming software to define the TWDDDI32DK and configure its inputs according to your application's logic.

4. Verification: Finally, apply power and test each input by manually activating connected sensors. Monitor the input status LEDs on the module to confirm that the signals are correctly received and processed by the PLC.

Packaging and Logistics

When you order the TWDDDI32DK, it will be securely packaged to prevent damage during transit. The packaging typically includes:

• (1) Schneider Electric TWDDDI32DK discrete input module

• (1) Quick start guide (multi-lingual)

• (1) Product information sheet

Please note: The product does not come with installation tools or wiring harnesses.

We ship all orders via premium courier services to ensure fast and reliable delivery. Your order will be dispatched using Fedex, UPS, or DHL, depending on your location and shipping preferences.

Frequently Asked Questions (FAQ)

Q1: What type of PLC is the TWDDDI32DK compatible with?
A1: The TWDDDI32DK is a dedicated expansion module designed specifically for the Schneider Electric Twido range of programmable logic controllers.

Q2: Can the TWDDDI32DK be used with AC inputs?
A2: No, this module is designed for direct current (DC) signals only. It accepts a 24V DC input voltage. Using AC voltage on the TWDDDI32DK will damage the module.

Q3: What does "sink or source" input logic mean for the TWDDDI32DK?
A3: It means the module is flexible and can be wired with either positive (source) or negative (sink) common voltage configurations, which is a key feature for adapting to different sensor types and power supplies.

Q4: How do I connect field wiring to the TWDDDI32DK?
A4: The module uses a 20-pin HE-10 connector for all input and common connections. You will need a compatible cable with a HE-10 connector, which can then be broken out to individual wires for connecting to your sensors.

Q5: What is the filtering time on this input module?
A5: The TWDDDI32DK has an input filter time of 8 ms for both the on-to-off (state 1 to 0) and off-to-on (state 0 to 1) transitions. This helps to prevent false triggering from electrical noise.