Description

Schneider Electric BMEXBP0400 Rack Backplane Module

Configured for backplane signal distribution and Ethernet bus interconnection in Modicon X80 architectures, the Schneider Electric BMEXBP0400 (BMEXBP0400 Rack X80 - 4 slots - Ethernet backplane) provides direct physical/electrical execution. The module defines a 4-slot X80 rack segment integrating X bus and Ethernet backplane communication, enabling deterministic module-to-module data exchange between CPU, I/O, and power supply elements within the same rack structure.

Suffix Breakdown & Model Matrix

• BMEXBP: X80 Ethernet backplane rack family identifier
• 0400: 4-slot rack configuration

No additional functional suffix segmentation is defined for this catalog reference.

Hardware Specifications

Parameter	Specification
ModelBrand	Schneider Electric BMEXBP0400
Weight	0.705 kg
OperatingTemp	0 degC to 60 degC
PowerConsumption	2.8 W
Backplane Slots	4 slots (X bus + Ethernet)
Current Consumption	49 mA at 3.3 VDC, 118 mA at 24 VDC
Electrical Interface	XBE connector
Mounting Method	DIN rail, panel, plate (M6 / screw fixing)
Protection Class	IP20

Schneider Electric Backplane Bus Deterministic Communication Behavior

Within Modicon X80 systems, the BMEXBP0400 implements segmented backplane routing for X bus and Ethernet-enabled module communication. The rack design maintains deterministic frame propagation across installed CPU (BMEP58 series), power supply (BMXCPS), and I/O modules. Backplane timing integrity is dependent on slot adjacency and internal rack impedance matching, ensuring stable inter-module exchange without external cabling within the rack boundary. Firmware-level compatibility is aligned with X80 backplane arbitration rules and module discovery sequencing during system initialization.

Frequently Asked Questions

Q: Does BMEXBP0400 support hot-swap of modules in the rack?
A: Hot-swap capability depends on installed X80 modules and system configuration. The backplane itself provides passive connectivity without switching logic.

Q: What is the electrical load limitation on the backplane power distribution?
A: Backplane load is determined by cumulative module consumption across 3.3 VDC and 24 VDC rails within the rack power budget defined by the BMXCPS supply.

Q: Is Ethernet communication routed through the same backplane as X bus signals?
A: The rack supports combined X bus and Ethernet backplane architecture with logical separation at protocol level.

Field Installation Guidelines

Install the rack on a 35 mm DIN rail or rigid panel using four-point M6 or equivalent screw fixation. Ensure conductive grounding continuity between rack chassis and cabinet earth reference. Maintain minimum clearance for thermal dissipation across 0 to 60 degC ambient range. Avoid mechanical stress on XBE connector during module insertion. Shielded cabinet wiring practices should be applied for Ethernet segments to maintain signal integrity across adjacent X80 modules.

Specifications

• Brand: Schneider Electric

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems