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Application Scenarios
This backplane is used as the main or expansion rack in centralized control cabinets. It is commonly deployed in power plants, water treatment facilities, and large discrete manufacturing lines where a high density of local I/O points is required. It allows engineers to configure a rack with a CPU, communication coprocessors, and up to 8 additional I/O modules in a single chassis, minimizing the need for complex remote I/O networks for local control tasks.
Parameter
| Main Parameters | Value/Description |
|---|---|
| Catalog Number | 140XBP01000 |
| Manufacturer | Schneider Electric (Modicon) |
| Series | Quantum 140 Series |
| Number of Slots | 10 (Slot 0 to Slot 9) |
| Compatibility | Modicon Quantum 140 series CPUs, Power Supplies, I/O, and Comm modules |
| Bus Type | Proprietary high-speed parallel backplane bus |
| Mounting | 35 mm DIN Rail or direct panel mounting |
| Hot-Swap Support | Yes (for I/O modules, requires compatible CPU & configuration) |
| Operating Temp. | 0 °C to +60 °C (standard industrial) |
| Dimensions (W×H×D) | ~433 × 105 × 155 mm (varies by source) |
| Weight | ~1.0–1.8 kg (with metal frame) |
Technical Principles and Innovative Values
- Innovation Point 1: High-Density Local Backbone: Unlike smaller 3 or 6-slot racks, the 10-slot design provides a large “home rack” for the CPU and critical I/O. This reduces system complexity by consolidating control into a single local rack instead of forcing the use of distributed I/O for moderate point counts, improving scan time consistency.
- Innovation Point 2: Deterministic Parallel Bus: The backplane uses a high-speed proprietary parallel bus (not Ethernet-based) that ensures deterministic data exchange between the CPU and modules. This is critical for real-time control applications where jitter in remote network I/O would be unacceptable.
- Innovation Point 3: Hot-Swap Capability (Conditional): When used with a compatible Quantum CPU and configured correctly, the backplane supports hot-swapping of I/O modules. This allows for maintenance and replacement without shutting down the entire control process, a key feature for high-availability systems.
