This discrete input module provides reliable digital signal acquisition for Modicon Quantum automation systems. It captures on/off status from field devices like limit switches and pushbuttons. We engineered the Schneider 140DDI36400C as a high-density solution for demanding control applications. This module supports both AC and DC input signals for versatile field connectivity. It ensures accurate state detection for critical logic and interlock sequences. Therefore, your Quantum PLC receives dependable input data for informed decision-making.
Physical Configuration and Rack Integration
The Schneider 140DDI36400C features a modular form factor for the Modicon Quantum chassis. Its dimensions measure 140.0 mm in height, 26.0 mm in width, and 144.0 mm in depth. The module weighs approximately 0.3 kilograms for straightforward installation procedures. This unit occupies a single slot in the Quantum backplane. It connects to field wiring via the front-panel 40-pin connector. The module includes LED indicators for each channel and module status.
Input Specifications and Electrical Characteristics
This discrete input module offers 32 independent input channels for high-density applications. Each channel accepts 24 VDC signals from standard industrial sensors and contacts. The Schneider 140DDI36400C provides 1500 VAC optical isolation between field and logic circuits. It features an input filter for contact bounce and noise rejection. The module supports both sink and source wiring configurations. It operates with the standard Modicon Quantum bus communication protocol. Consequently, this ensures seamless integration with your existing Quantum system architecture.
Detailed Technical Specifications and Interface Details
We outline the module’s comprehensive technical parameters and operational capabilities below.
| Specification | Detail |
|---|---|
| Part Number | Schneider 140DDI36400C |
| Product Category | Discrete Input Module |
| Dimensions (H x W x D) | 140.0 mm x 26.0 mm x 144.0 mm |
| Module Weight | Approximately 0.3 kg (0.66 lbs) |
| Number of Input Channels | 32 discrete input points |
| Input Signal Type | 24 VDC (sinking or sourcing) |
| Input Voltage Range | 20.4 VDC to 28.8 VDC |
| Input Current | 4.5 mA per channel at 24 VDC |
| ON-State Voltage | > 15.0 VDC |
| OFF-State Voltage | < 5.0 VDC |
| Input Impedance | Approximately 5.3 kΩ |
| Input Filter Time | 1 ms typical (configurable) |
| Isolation Voltage | 1500 VAC (field to system bus) |
| Number of Common Pairs | 4 groups (8 channels per common) |
| Field Wiring Connector | Front-panel 40-pin connector |
| Bus Interface | Modicon Quantum backplane |
| Diagnostic Features | Channel status LEDs, module health indicator |
| Power Supply Voltage | 5 VDC from backplane |
| Power Consumption | 1.5 W typical |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Relative Humidity | 5% to 95% (non-condensing) |
| Compliance | CE, UL, CSA, RoHS |
Details
| Weight | 0.3 kg |
|---|---|
| Dimensions | 140 × 26 × 144 mm |



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