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The BMEXBP0400 is a 4-slot Ethernet-enabled backplane for the Modicon X80 architecture, used in both M340 and M580 automation systems by Schneider Electric.
Unlike standard X-bus racks, the BMEXBP0400 integrates...
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The BMEXBP0400 is a 4-slot Ethernet-enabled backplane for the Modicon X80 architecture, used in both M340 and M580 automation systems by Schneider Electric.
Unlike standard X-bus racks, the BMEXBP0400 integrates both the traditional X-bus and a dedicated Ethernet backplane bus, enabling high-speed communication for advanced Ethernet-based modules. This design significantly improves data throughput and supports time-sensitive applications within modern distributed control systems.
Its compact 4-slot format makes it ideal for remote I/O drops, small cabinets, and distributed architectures where space efficiency and networking performance are equally important. A built-in XBE expansion connector allows multiple backplanes to be connected, providing scalable I/O capacity as system demands increase.
The BMEXBP0400 is fully compatible with BME (M580) and BMX (M340) processors, offering backward compatibility while supporting next-generation Ethernet modules.
| Parameter | Specification |
|---|---|
| Model | BMEXBP0400 |
| Platform | Modicon X80 / M580 Architecture |
| Total I/O Slots | 4 (CPU, I/O, communication modules) |
| Power Supply Slot | Dedicated (not included in 4 slots) |
| Bus Architecture | X-bus + Integrated Ethernet backplane |
| Processor Compatibility | BME (M580) and BMX (M340) |
| Supported Modules | I/O, communication, specialty modules |
| Power Supply Compatibility | BMXCPS series |
| Expansion Port | 1 × XBE expansion connector |
| Mounting | Panel mount or DIN rail |
| Net Weight | 2.7 kg |
The BMEXBP0400 is commonly deployed in:
Distributed pumping stations
Conveyor synchronization systems
Chemical dosing skids
Remote I/O cabinets in large plants
In M580-based systems, the Ethernet backplane enables advanced features such as:
High-speed module-to-CPU data exchange
Ethernet-based expansion modules
Improved hot-swapping capability
Precise time-stamping and high-resolution data acquisition
Q1: Can standard M340 modules be used in this rack?
Yes. The BMEXBP0400 is fully backward compatible with BMX (X-bus) modules, which operate over the traditional X-bus portion of the backplane.
Q2: Is the power supply included in the 4 slots?
No. The power supply occupies a dedicated slot on the far left. The four slots are reserved for CPU and I/O modules.
Q3: What advantage does this Ethernet backplane offer compared to BMXBP0400?
The integrated Ethernet bus supports higher data exchange rates, advanced Ethernet module functionality, and improved hot-swapping performance for M580 systems.
