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BMXNOC0402 Modicon M580 Ethernet communication module

Schneider Electric M580 Ethernet TCP/IP and EtherNet/IP communication module on the X Bus backplane.

System role

Rebuilt from individual evidence

Schneider Electric identifies BMXNOC0402 as an Ethernet TCP/IP and EtherNet/IP communication module for the Modicon M580 X Bus backplane.

Schneider Electric records BMXNOC0402 as discontinued and states that it has no listed replacement.

The module provides the M580 system's Ethernet communication point between the X Bus rack and connected control-network devices.

Exact reference
BMXNOC0402
Category
PLC / CPU
Evidence checked
2026-09-12

System role

This section explains what the product does and where it acts in the surrounding system.

Function
The module routes Ethernet TCP/IP and EtherNet/IP communication for the M580 rack.
System position
It sits between the M580 X Bus backplane and connected Ethernet control devices.
Upstream / inputs
The rack supplies the module and connected devices supply Ethernet protocol traffic.
Downstream / outputs
The module exchanges network messages with the M580 control system.
Limitations
Unknown: the installed network, firmware, serviceability and condition of an individual discontinued module.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

  • Schneider Electric identifies BMXNOC0402 as an Ethernet TCP/IP and EtherNet/IP communication module for the Modicon M580 X Bus backplane.

    Confidence: high

    • www.se.com — retrieved 2026-09-12; high confidence

  • Schneider Electric records BMXNOC0402 as discontinued and states that it has no listed replacement.

    Confidence: high

    • www.se.com — retrieved 2026-09-12; high confidence

Inferences

  • The module provides the M580 system's Ethernet communication point between the X Bus rack and connected control-network devices.

    Confidence: medium

    Rationale: The documented product function and interfaces establish its position between the named upstream and downstream system stages.

    • www.se.com — retrieved 2026-09-12; high confidence

Unknowns

  • Unknown: the installed network, firmware, serviceability and condition of an individual discontinued module.

    Confidence: low

    Missing evidence: The captured sources do not inspect the individual unit or its installation configuration.

System position diagram

BMXNOC0402 connects the controller with the field system in the documented signal path.

Reading limit: system position only, not a wiring or safety drawing.

The module provides the M580 system's Ethernet communication point between the X Bus rack and connected control-network devices.

Enlarged system diagram

BMXNOC0402 connects the controller with the field system in the documented signal path.

The module provides the M580 system's Ethernet communication point between the X Bus rack and connected control-network devices.

View Mermaid source
flowchart LR; Controller --> Module; Module --> Field
View diagram labels
Nodes
Controller; BMXNOC0402; Field system
Edges
Control data; Processed signal

Next action

The captured manufacturer evidence supports publishing BMXNOC0402 with the documented system role.

Unknown: the installed network, firmware, serviceability and condition of an individual discontinued module.

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