The Schneider Electric BMXXBE1000, also cataloged as the BMXXBE1000 backplane expander module, operates as a dedicated hardware component for multirack expansion and high-speed backplane bus interconnection within Modicon M340 automation platforms.
Suffix Breakdown & Model Matrix
| Model Number | Description |
|---|---|
| BMXXBE1000 | Backplane expander for distributed rack configurations |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | BMXXBE1000 |
| Brand | Schneider Electric |
| Origin | France |
| Weight | 0.1 kg (0.48 lbs) |
| Dimensions | 33 mm x 76 mm x 102 mm (1.3 in x 3.0 in x 4.0 in) |
| Operating Temp | 0 to 60 deg C |
| Relative Humidity | 10 to 95 % (non-condensing) |
| Power Consumption | 160 mA @ 24 VDC, 22 mA @ 3.3 VDC |
| Electrical Connection | 2 x Female SUB-D 9 Connectors |
| Indicators | 1 Green RUN LED, 1 Red COL LED, 4 Green Address LEDs |
| Protection Rating | IP20 |
| Certifications | CE, UL, CSA, RCM, EAC, Merchant Navy |
| Standards | EN 61131-2, EN/IEC 61010-2-201, UL 61010-2-201, IACS E10 |
Backplane Bus Communication Velocity Licences
The module utilizes the internal Modicon M340 backplane bus architecture to maintain deterministic data exchange between distributed racks. It supports firmware flash compatibility with existing BMXXBP series backplanes (0600, 0400, 0800, 1200). The addressing logic is executed via hardware-configured DIP switches, ensuring no latency penalty compared to local I/O scans. This design preserves the integrity of cyclic data refresh rates during multirack expansion.
Frequently Asked Questions
Q: Does the BMXXBE1000 support hot-swapping while the system is operational?
A: No. Power must be removed from all connected racks before installing or removing the expander to prevent backplane bus collision errors.
Q: What is the maximum current load this module imposes on the power supply?
A: The module draws 160 mA at 24 VDC and 22 mA at 3.3 VDC, which must be accounted for in the total system power budget calculations.
Q: Can this expander be used with third-party backplanes?
A: No. The BMXXBE1000 is electrically and mechanically compatible only with Schneider Electric Modicon M340 BMXXBP series backplanes.
Field Installation Guidelines
Mount the BMXXBE1000 directly onto the designated expansion port of the primary backplane using the integrated locking tabs. Ensure both SUB-D 9 connectors are fully seated and secured with retaining screws to maintain vibration resistance. Verify that rack address DIP switches do not conflict with existing local or remote I/O configurations prior to energizing the system. Ground the enclosure according to EN/IEC 61000-6-5 shielding practices to minimize EMI susceptibility.
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