Product Overview
Engineers managing Modicon Quantum systems often face the challenge of reliable signal acquisition in harsh industrial environments. The Schneider Electric 140DAI54300C discrete input module addresses this need directly. It provides 16 input channels at a standard 115 VAC, making it a straightforward choice for integrating AC sensors and switches into your control architecture. The module requires only 1 input word for addressing, simplifying both configuration and programming.
Technical Specifications Breakdown
Key parameters for the 140DAI54300C are listed below for quick reference:
| Feature | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Product Type | Discrete Input Module |
| Product Line | Modicon Quantum |
| Part Number | 140DAI54300C |
| Input Channels | 16 |
| Input Voltage | 115 VAC |
| Addressing Requirement | 1 input word |
| Input Current | 11.1 to 13.2 mA |
| Max Leakage Current | 2.1 mA |
| Bus Current Requirement | 180 mA |
| Max Power Dissipation | 5.5 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 AC input sensing. In packaging lines, the 16 channels can monitor limit switches and photo-eyes operating at 115 VAC. For material handling systems, it captures signals from conveyor presence sensors. The conformal coating provides essential protection in environments with moisture or dust, reducing failure rates. When upgrading legacy systems, the straightforward addressing requirement minimizes engineering time.
Installation & Setup Guidance
Mount the module securely in a Quantum backplane. Ensure the bus current requirement of 180 mA is available. Connect 115 VAC field devices to the input terminals. The addressing requirement of 1 input word simplifies mapping in your control program. Verify input current stays within 11.1 to 13.2 mA for proper operation. Always follow Schneider Electric's installation manual for specific wiring diagrams.
Maintenance & Reliability
The conformal coating protects against moisture and dust, extending service life. Operate within the 0 to 60 °C ambient temperature range for optimal performance. Periodically inspect connections for tightness and signs of corrosion. The module's low max power dissipation of 5.5 W reduces heat buildup in enclosures. No special maintenance is required beyond standard industrial practices.
Compatibility & Integration
This module integrates directly into Modicon Quantum racks. It is compatible with Quantum CPUs and remote I/O adapters. The standard format ensures fit in standard Quantum backplane slots. Use with Schneider Electric Quantum power supplies that meet the bus current requirement.
Selection Guide & Purchasing Advice
When selecting a discrete input module for 115 VAC applications, this unit offers proven reliability. Verify your system's bus current capacity and addressing scheme. For current lifecycle status and availability, contact SpareTechPLC before ordering. Our team can confirm stock and provide compatible accessories.
Troubleshooting & Common Issues
If inputs do not respond, check the field wiring for proper 115 VAC supply and correct polarity. Verify the module is seated fully in the backplane. Use a multimeter to confirm input current is within 11.1 to 13.2 mA. If leakage current exceeds 2.1 mA, inspect for faulty field devices or wiring. Ensure ambient temperature stays within 0 to 60 °C to avoid thermal issues.
