The Schneider Electric BMXXBP1200, also cataloged as the BMXXBP1200 Backplane, operates as a dedicated hardware component for structural support and parallel bus data routing within Modicon M340 and Modicon X80 platform automation networks. This hardware chassis provides the physical slots and internal signal traces necessary to connect up to 12 modules, including central processing units, dedicated power supplies, network option modules, and discrete or analog field device interfaces. By executing local logic routing directly over an embedded Bus X infrastructure, this component serves as the underlying electrical backbone for modular automation configurations.
| Parameter | Specification |
|---|---|
| Model | BMXXBP1200 |
| Brand | Schneider Electric |
| Origin | France |
| Weight | 1.27 kg (Net weight), 1.317 kg (Package weight) |
| Dimensions | 503.2 mm width x 103.7 mm height x 19.0 mm depth |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 0.17 W internal static power consumption |
| Chassis Slots | 12 dedicated Bus X module slots |
| Product Compatibility | BMXP34 processors, BMXCPS power supplies, standard X80 I/O cards |
| Electrical Interconnect | 1 x connector layout for XBE expansion modules |
| Fixing Mode | Mechanical fastening via 4 x M4, M5, or M6 screws on panels/plates |
| Relative Humidity | 10 to 95 percent relative humidity non-condensing |
| IP Degree of Protection | IP20 |
| Directives | 2014/35/EU (Low Voltage), 2014/30/EU (Electromagnetic Compatibility) |
| Product Certifications | CE, UL 61010-2-201, CSA C22.2 No 61010-2-201, RCM, EAC, UKCA, Merchant Navy |
| Standards Compliance | EN/IEC 61131-2, EN/IEC 61010-2-201, IACS E10, EN/IEC 61850-3 |
This backplane module features high-density I/O density scaling via integrated parallel Bus X lines capable of handling synchronous, high-speed data refreshes between the master processor and the field interfaces. The underlying electronic architecture maintains a low internal power consumption profile of only 0.17 W, directing almost all available backplane power from the power supply module directly to the connected instrumentation cards. For applications requiring multi-rack topologies, the single embedded expansion connector interface links seamlessly with XBE line extension cards, enabling the extension of the Bus X parallel communication line across multiple sequential chassis segments without introducing timing delays or reducing processing velocity.
Q: Can the BMXXBP1200 backplane be mounted directly on a standard 35 mm DIN rail?
A: No. The BMXXBP1200 is engineered specifically for rigid panel or mounting plate installation using four mechanical M4, M5, or M6 screws. The structural weight of a fully populated 12-slot rack requires a flat, bolted layout to satisfy the 3 gn industrial vibration and shock resistance standards.
Q: How is backplane bus power distributed to modules inserted into slots 2 through 11?
A: Internal multi-layer copper busbars run horizontally along the rear assembly of the backplane. When a BMXCPS power supply is installed in the dedicated leftmost slot, it energizes these internal power traces, delivering regulated voltage directly to the interface pins of every adjacent module slot.
Q: What action must be taken if a specific module slot develops mechanical or electrical socket damage?
A: Individual slot connectors are permanently wave-soldered onto the internal master multi-layer printed circuit board during manufacturing. If an isolated socket is bent or electrically carbonized by an external field short-circuit, the complete backplane unit must be isolated and replaced to prevent parallel signal line disruptions.
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