The Schneider Electric 140CPU11302R is a high-reliability Modicon Quantum CPU module designed for industrial automation control systems. As part of the Quantum PLC platform, this processor acts as the central control unit responsible for executing logic, managing I/O operations, and coordinating communication across distributed industrial networks.
Built for demanding continuous-process industries, the 140CPU11302R delivers stable performance in mission-critical environments such as oil & gas, power generation, and large-scale manufacturing. Although part of a legacy Quantum architecture, it remains widely deployed due to its robustness, long lifecycle, and proven field reliability.
Its modular design allows seamless integration with Quantum backplane systems, making it a trusted choice for maintaining or upgrading existing automation infrastructure.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Schneider Electric |
| Model | 140CPU11302R |
| Product Type | CPU / Processor Module |
| Series | Modicon Quantum |
| Processor Type | Intel 80186-class architecture |
| Memory (RAM) | 256 KB |
| Flash Memory | 256 KB – 1 MB (variant dependent) |
| Communication Ports | Modbus RS-232, Modbus Plus |
| Max I/O Capacity | Up to 256 I/O modules |
| RIO Drops Support | Up to 31 remote I/O drops |
| Battery | 3V lithium backup battery |
| Power Dissipation | ~3.9 W |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Relative Humidity | Up to 95% non-condensing |
| Weight | ~0.4 kg |
| Dimensions | Approx. 51 mm × 254 mm × 102 mm |
This CPU is designed for stable deterministic control performance, even in electrically noisy industrial environments.
Recommended Related Models
- Schneider 140CPU11303R – Higher performance Quantum CPU variant
- Schneider 140CPU67160 – Advanced Quantum processor module
- Schneider 140CPS11400C – Power supply module for Quantum racks
- Schneider 140CRP93100 – Remote I/O communication processor
- Schneider Quantum 140XBP backplane series – Rack infrastructure components
Popular Schneider Electric Models
- Schneider BMX series CPUs – Modern Modicon M340 / M580 controllers
- Schneider BMXP342020 – Compact PLC processor
- Schneider 140CPU65150 – High-end Quantum CPU module
- Schneider 140DDI35300 – Digital input module
- Schneider 140DAO84000 – Analog output module
These models represent both legacy Quantum and modern Schneider automation platforms used across industrial control systems worldwide.
