Description
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 140DDI35300 |
| Manufacturer | Schneider Electric |
| Product Type | Low Voltage DC Discrete Input Module |
| Product Range | Modicon Quantum Automation Platform |
| Discrete Input Number | 32 (4 groups × 8 points) |
| Logic Input | Positive (Sink) |
| Discrete Input Voltage | 24 V DC |
| Input Voltage Limits | 19.2…30 V |
| Voltage State 1 Guaranteed | 15…30 V DC |
| Voltage State 0 Guaranteed | -3…5 V DC |
| Current State 1 Guaranteed | ≥2 mA at Us = 5.5 V and Uin = 0 V |
| Current State 0 Guaranteed | ≤0.5 mA |
| Addressing Requirement | 2 Input Words |
| Input Impedance | 2500 Ohms |
| Absolute Maximum Input | 30 V continuous; 56 V during 1.3 ms decaying pulse |
| Response Time | ≤1 ms state 0 to state 1; ≤1 ms state 1 to state 0 |
| Protection Type | Input protection by resistor limited |
| Power Dissipation | 1.7 W + (0.36 × number of points on) |
| Isolation Between Group and Bus | 1780 Vrms for 1 minute |
| Isolation Between Groups | 500 Vrms for 1 minute |
| Bus Current Requirement | 330 mA |
| Local Signaling | 1 green LED (Active), 1 red LED (Fault), 32 green LEDs (Input Status) |
| Module Format | Standard |
| Net Weight | 0.3 kg |
| Protective Treatment | Conformal Coating Humiseal 1A33 |
| Operating Temperature | 0…60°C |
| Storage Temperature | -40…85°C |
| Relative Humidity | 95% without condensation |
| Operating Altitude | ≤5000 m |
Main Features and Advantages
32-Point High-Density Input Configuration: The Schneider 140DDI35300 packs 32 discrete input channels into a single standard Quantum module slot, maximizing I/O density without requiring additional rack space. This high-density design reduces the total module count in large control systems, lowering hardware costs and cabinet footprint. The four-group isolation architecture (8 points per group) ensures that a fault in one group does not propagate to others, improving system availability and simplifying troubleshooting .
Fast Response and Real-Time Signal Capture: With a response time of ≤1 ms for both state transitions, the 140DDI35300 delivers rapid signal acquisition suitable for high-speed discrete event detection. This performance is critical in applications requiring precise timing, such as interlock monitoring, position sensing, and high-speed counting. The module’s positive (sink) logic configuration interfaces directly with NPN-type sensors and standard 24 V DC field devices without requiring external signal conditioning .
Comprehensive Diagnostic and Status Indication: The Schneider 140DDI35300 provides extensive local signaling for maintenance and troubleshooting. A green LED indicates active bus communication, a red LED alerts to detected external faults, and 32 individual green LEDs display real-time status for each input channel. This diagnostic visibility enables technicians to quickly identify wiring issues, failed sensors, or signal discrepancies without specialized test equipment .
Robust Environmental Protection: The 140DDI35300 features conformal coating (Humiseal 1A33) applied to the circuit board, protecting against moisture, dust, and chemical contaminants commonly found in industrial environments. With an operating temperature range of 0°C to 60°C, storage capability from -40°C to 85°C, and tolerance for 95% relative humidity without condensation, the module maintains reliable performance in demanding conditions. The Schneider 140DDI35300 also withstands electrostatic discharge up to 4 kV contact and 8 kV air, and electromagnetic fields up to 10 V/m across 80–2000 MHz .
