Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | Schneider Electric 140CRA31200 |
| Manufacturer | Schneider Electric |
| Product Type | Ethernet RIO Drop Adaptor |
| Product Line | Modicon Quantum |
| Number of Ports | 3 (1 Service Port, 2 Device Network Ports) |
| Integrated Connection Type | Ethernet IP/Modbus TCP (Service Port); Ethernet IP/Modbus TCP (Device Network) |
| Communication Protocol | EtherNet/IP, Modbus TCP |
| Topology | Daisy Chain Loop |
| Communication Speed | 10/100 Mbps (CAT5e shielded cable recommended) |
| Product Compatibility | 140CRP31200 Remote I/O Head Adaptor |
| Local Signaling | 4 LEDs: Mod Status (green/red), Net Status (green/red), RUN (green), I/O (red) |
| Redundancy Support | Yes (dual device network ports for ring topologies) |
| MTBF | 1,397,625 hours |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Relative Humidity | 93% (non-condensing) |
| Protection Rating | IP20 (conforming to IEC 61131-2 and IEC 60527) |
| Vibration Resistance | 3.5 mm constant amplitude (0.5–8.4 Hz); 1 gn constant acceleration (8.4–150 Hz) |
| Operating Altitude | Up to 2000 m |
| Dimensions (W × H) | 167 × 50 mm |
| Net Weight | 0.554 kg |
| Product Certifications | CE, UL 508, C-Tick, CSA C22.2 No 142, RCM, EAC |
Main Features and Advantages
Deterministic Remote I/O Communication: The Schneider 140CRA31200 enables deterministic data exchange between the remote I/O sub-station and the main controller, ensuring that the scan time for remote I/O logic is predictable . The adaptor collects input data from the remote station, publishes it to the head adaptor, and updates output modules with data received from the head adaptor . This deterministic performance is essential for time-critical process control applications.
Flexible Networking Topology: The 140CRA31200 supports daisy chain loop topology, allowing efficient device management and connectivity without requiring complex network infrastructure . The module’s three Ethernet ports—one service port for diagnostics and two device network ports for I/O communication—can be deployed individually or in redundant mode for enhanced system reliability . The Schneider Electric 140CRA31200 integrates seamlessly into ring networks, providing fault tolerance and high availability for critical processes .
Multi-Protocol Support and Compatibility: The Schneider 140CRA31200 supports both EtherNet/IP and Modbus TCP protocols, offering flexibility for integration with various automation architectures . The module is fully compatible with the 140CRP31200 remote I/O head adaptor and can be installed in any slot within a Quantum remote I/O chassis . When used with high-end Quantum CPUs (4 MB or more), the 140CRA31200 supports up to 31 remote I/O stations in a single network, providing exceptional scalability for large automation projects .
Rugged Design for Harsh Environments: The Schneider Electric 140CRA31200 is built to withstand demanding industrial conditions, featuring an IP20 protection rating, wide operating temperature range of 0°C to 60°C, and compliance with hazardous location Class I Division 2 standards . Its vibration resistance and 93% humidity tolerance ensure reliable operation in environments with mechanical stress and moisture . With an MTBF exceeding 1.3 million hours, the 140CRA31200 delivers the long-term reliability required for continuous process operation .
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