The Schneider Electric 140NOM21100C is a DIO (Digital I/O) head-end adaptor module designed for the Modicon Quantum PLC platform. It serves as a central communication interface between the Quantum controller and distributed I/O drops, enabling efficient and reliable data exchange across industrial networks.
Equipped with both Modbus Plus (RS-485) and Modbus RS-232 communication ports, this module provides flexible connectivity for integrating multiple field devices and remote I/O systems. It is widely used in automation environments where stable communication and distributed control architecture are essential.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | DIO Head-End Adaptor Module |
| Platform | Modicon Quantum |
| Communication Ports | 1 × Modbus Plus (RS-485) + 1 × Modbus RS-232 |
| Transmission Rate | 1 Mbit/s |
| I/O Capacity | 30 Input Words / 32 Output Words |
| Compatible Drop Modules | 140CRA21110 / 140CRA21120 |
| Diagnostics | RAM check, processor check, checksum diagnostics |
| Power Dissipation | ~4 W |
| Bus Current Requirement | ~780 mA |
| Mounting | Standard Quantum backplane |
| Dimensions (H × W × D) | 155 × 110 × 45 mm (standard Quantum module size) |
| Weight | Approx. 0.48 kg |
Recommended Related Models
- 140CRA21110C – DIO Drop Interface Module
- 140CRA21220 – Redundant DIO Drop Interface
- 140NOE77111 – Ethernet TCP/IP Communication Module
- 140CPU31110C – Quantum CPU Processor
- 140XBP01600 – Quantum Backplane Rack
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