Overview: The Schneider 140DAI74000C Discrete Input Module – A Modern Replacement Solution
Part of the Modicon Quantum series, the Schneider 140DAI74000C discrete input module serves as an ideal replacement for older 16-channel 230VAC input modules. Its compact design and simplified addressing (requiring only 1 input word) reduce integration complexity, while the conformal coating ensures durability in harsh industrial environments.
Technical Specifications
The table below summarizes the key parameters of the Schneider 140DAI74000C:
| Parameter |
Value |
| Input Channels |
16 |
| Input Voltage |
230 VAC |
| Input Current |
9.7 to 11.5 mA |
| Max Leakage Current |
2.6 mA |
| Bus Current Requirement |
180 mA |
| Max Power Dissipation |
5.5 W |
| Ambient Temperature |
0 to 60 °C |
| Standards |
UL 508, CSA |
| Protective Treatment |
Conformal coating |
These specifications ensure reliable performance and easy integration into existing control systems.
Real-World Applications
The Schneider 140DAI74000C excels in applications such as conveyor system monitoring, packaging machinery, and material handling. When upgrading from older 230VAC input modules, the 140DAI74000C provides drop-in compatibility with its standard format and 1 input word addressing, minimizing downtime during retrofit projects.
Installation & Setup Guidance
Mount the Schneider 140DAI74000C in a standard Quantum rack. Wire each input channel to 230 VAC sources using appropriate isolation. The module requires only one input word in the controller configuration, simplifying setup. Operate within the 0 to 60 °C ambient temperature range for best performance.
Maintenance & Reliability
The conformal coating of the 140DAI74000C protects against moisture and contaminants, extending service life. With low power dissipation (5.5 W max), the module runs cool, reducing thermal stress. Periodic inspection of connections and environmental conditions ensures long-term reliability.
Selection Guide & Purchasing Advice
Before purchasing the Schneider 140DAI74000C, verify your system's bus current capacity (180 mA required) and ensure compatibility with your Quantum backplane. For expert support and genuine parts, contact UBEST Automation at ubest101.myshopify.com. We stock this module and many other Schneider automation spares.