Product Introduction
When industrial environments demand reliable data exchange under challenging conditions, the Schneider 140NOM21100C DIO head-end adaptor delivers. This module, part of the Modicon Quantum automation platform, serves as a critical interface for input/output functions. Supporting Modbus RS-485 and RS-232 protocols at 1 Mbps, it ensures efficient communication. The Schneider 140NOM21100C handles up to 30 input and 32 output words, making it suitable for diverse automation tasks.
Technical Specifications
The Schneider 140NOM21100C is built for industrial reliability. Below are its key parameters derived from the product data.
| Parameter |
Value |
| Interfaces |
Modbus RS-485, Modbus RS-232 |
| Transmission Rate |
1 Mbps |
| I/O Words |
30 I / 32 O |
| Power Dissipation |
4 W |
| Bus Current Requirement |
780 mA |
| Ambient Temperature (Operation) |
0 to 60 °C |
| Relative Humidity |
95% without condensation |
| Operating Altitude |
≤ 16404.2 ft (5000 m) |
| Electrostatic Discharge Resistance |
4 kV contact, 8 kV on air (IEC 801-2) |
| Protective Treatment |
Conformal coating (Humiseal 1A33) |
Industry Applications
The Schneider 140NOM21100C excels in environments where electrostatic discharge and humidity pose risks. For example, in automated production lines with high static electricity, its 8 kV air discharge protection prevents communication failures. In remote monitoring stations, the conformal coating safeguards against moisture, ensuring uptime. The module's wide altitude tolerance also makes it suitable for high-elevation installations, such as mining or mountain-based facilities.
Compatibility & Integration
The Schneider 140NOM21100C integrates seamlessly with Modicon Quantum controllers, including models like 140CRA21110 and 140CRA21120. It supports Modbus RS-485 and RS-232, enabling compatibility with a broad range of industrial devices. The single copper port for each interface simplifies wiring in existing networks. This adaptor is a drop-in solution for systems requiring robust DIO head-end capabilities.
Selection Guide & Purchasing Advice
Before purchasing the Schneider 140NOM21100C, verify that your system supports Modbus RS-485 or RS-232 and that the bus current requirement of 780 mA is available. Ensure the ambient temperature and humidity align with your site conditions. For genuine, surplus-stock parts, consider sourcing from UBEST Automation (ubest101). We provide industrial automation spares with fast shipping and technical support to reduce downtime.