Schneider Electric Modicon M580 Backplane Modules BMEXBP0800

Technical Dossier

Product Details And Specifications

Schneider Electric Modicon M580 Series Technical Notes

The Evolution of Modicon M580 Architecture

The M580 platform succeeded two parallel Schneider Electric PLC lineages. The Modicon Quantum (introduced 1994) used a parallel S908 backplane bus and remains in service at legacy sites; its I/O modules are electrically incompatible with M580 backplanes. The Modicon M340 (2007) introduced a more compact X-bus backplane but retained a proprietary communication layer. The M580 replaced both with an Ethernet X-bus (eX80 bus) that carries both power and data on the same backplane connector, eliminating the need for separate communication cabling between racks.

Early M580 backplanes (2013–2016) supported up to 8 local slots (BMEXBP0800) or 4 slots (BMEXBP0400). The 2017 firmware revision (≥2.80) introduced Hot Standby CPU redundancy support across all backplane sizes. From 2019, extended backplanes (BMEXBP1200) were released for high-density I/O applications. Compatibility note: M580 CPU modules (BMEP/BMEH prefix) are not interchangeable with M340 CPUs (BMXP prefix). I/O modules with the BME prefix are M580-native; BMX-prefix modules are M340-native and require an adapter (BMECXM0100) for use in M580 racks.

Modicon M580 Full Catalog & Functionalities (SKU List)

Backplanes

• BMEXBP0400: 4-slot local Ethernet backplane for compact M580 rack configurations.
• BMEXBP0800: 8-slot local Ethernet backplane; standard rack for mid-density I/O applications.
• BMEXBP1200: 12-slot local Ethernet backplane for high-density process I/O installations.
• BMEXBP0800H: 8-slot backplane with Hot Standby CPU support for redundant control architectures.

CPU / Controller Modules

• BMEP581020: M580 standard CPU, 1 MB application memory, 1 Ethernet port, non-safety.
• BMEP582020: M580 standard CPU, 2 MB application memory, dual Ethernet ports.
• BMEP583040: M580 performance CPU, 4 MB memory, supports up to 31 remote drops.
• BMEH582040: M580 Hot Standby CPU, 2 MB memory, dual-ring Ethernet redundancy.
• BMEH584040: M580 Hot Standby CPU, 4 MB memory, extended remote I/O capacity.

Digital Input (DI) Modules

• BMEDI1602: 16-channel 24 VDC digital input module, sink/source compatible.
• BMEDI3202: 32-channel 24 VDC digital input, high-density rack-mount format.

Digital Output (DO) Modules

• BMEDO1602: 16-channel 24 VDC digital output, 0.5 A per channel, source type.
• BMEDO3202: 32-channel 24 VDC digital output, high-density, transistor output.

Analog Input (AI) Modules

• BMEAHI0812: 8-channel analog input, ±10 V / 0–20 mA, 16-bit resolution.
• BMEAHI0816: 8-channel analog input with HART protocol support for smart field devices.

Analog Output (AO) Modules

• BMEAHO0412: 4-channel analog output, ±10 V / 4–20 mA, 16-bit resolution.

Communication / Adapter Modules

• BMECXM0100: eX80 bus adapter, allows M340 BMX I/O modules to operate in M580 racks.
• BMENOC0301: Ethernet network option module, 3-port managed switch, supports EtherNet/IP and Modbus TCP.
• BMENOC0311: Ethernet network option module with IEC 61850 GOOSE messaging for substation integration.

Power Supply Modules

• BMEXBP0800 (integrated): The BMEXBP0800 backplane includes an integrated power distribution bus; external power is supplied via dedicated PSU slot.
• BMEPXM0100: 100–240 VAC / 24 VDC input power supply module for M580 racks, 30 W output.

Quality Control for the Modicon M580 Range

M580 backplane modules present specific test challenges due to their integrated Ethernet X-bus architecture. Each BMEXBP0800 unit received by DriveKNMS undergoes the following verification sequence:

• Visual inspection of backplane connector pins (168-pin eX80 bus connector) for deformation, oxidation, or contamination.
• Continuity and isolation testing across all power rails (24 VDC, 3.3 VDC logic, and backplane bus lines).
• Functional slot enumeration: each of the 8 module slots is tested with a known-good reference module to confirm bus communication integrity.
• Ethernet port verification on CPU and NOC modules installed in the backplane during test.
• Firmware version logging: CPU modules are documented with installed firmware revision to confirm compatibility with customer SCADA/DCS software versions.
• Burn-in cycle: 48-hour powered operation under ambient temperature cycling (0°C to 55°C) per IEC 60068-2-14.