Product Overview
The Schneider Electric 140DAI75300C is a discrete input module from the Modicon Quantum automation platform. Designed for reliable signal acquisition in demanding industrial environments, this module provides 32 input channels operating at 230 VAC. Its robust construction and protective conformal coating ensure long-term performance even in harsh conditions. For engineers seeking a proven solution for high-voltage AC sensing, the 140DAI75300C delivers consistent accuracy and durability.
Technical Specifications Breakdown
Key parameters for the 140DAI75300C are listed below for quick reference:
| Feature | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Product Type | Discrete input module |
| Product Line | Modicon Quantum |
| Part Number | 140DAI75300C |
| Input Channels | 32 |
| Input Voltage | 230 VAC |
| Addressing Requirement | 2 input words |
| Input Current | 9.7 to 11.5 mA |
| Max Leakage Current | 2.6 mA |
| Bus Current Requirement | 250 mA |
| Max Power Dissipation | 5 W |
| Marking | CE |
| Format | Standard |
| Ambient Temperature | 0 to 60 °C |
| Standards | UL 508, CSA |
| Protective Treatment | Conformal coating |
Industry Applications
This module excels in applications requiring reliable 230 VAC discrete sensing. Common use cases include monitoring limit switches, push buttons, and proximity sensors in manufacturing lines, packaging machinery, and material handling systems. The 32-channel density reduces cabinet space and wiring complexity, lowering total installed cost. Its conformal coating protects against moisture and contaminants, making it suitable for food processing and automotive plants.
Installation & Setup Guidance
When installing the 140DAI75300C, ensure the bus current requirement of 250 mA is accounted for in the power supply sizing. The module requires 2 input words of addressing in the Quantum backplane. Use shielded twisted-pair wiring for input connections to minimize noise. Verify that the ambient temperature stays within the 0 to 60 °C range for reliable operation. Always follow Schneider Electric's installation manual for proper mounting and grounding.
Maintenance & Reliability
The conformal coating on this module provides enhanced protection against humidity and chemical exposure. Periodic visual inspection of the LED indicators (green Active, red Fault, and 32 green input status LEDs) can quickly confirm operational status. Keep the module free of dust and debris. No internal adjustments are needed; replace the module if faults persist after verifying external wiring.
Compatibility & Integration
The 140DAI75300C integrates seamlessly with the Modicon Quantum automation platform and is supported by programming software such as Concept, ProWORX 32, and Unity Pro. It communicates via the Quantum backplane, requiring no additional protocol configuration. The module is compatible with standard Quantum racks and power supplies.
Selection Guide & Purchasing Advice
For projects requiring 230 VAC discrete input capability, the 140DAI75300C offers a proven, cost-effective solution. Its 32-channel density and conformal coating make it a versatile choice. SpareTechPLC stocks this module and can assist with lifecycle status and availability. Contact our team to verify stock and lead times before ordering.
Troubleshooting & Common Issues
If the module does not power up, check the bus current supply and ensure the backplane connection is secure. If input signals are not detected, verify the input voltage is within the 230 VAC range and that leakage current does not exceed 2.6 mA. Use the red Fault LED to identify external faults. For persistent issues, consult the Quantum system manual or contact SpareTechPLC for support.
