Why the BMXNOE0100 Belongs in Your Cost-Reduction Plan
Every hour of unplanned downtime on a Modicon M340 rack carries a real price: lost production, emergency labor, and expedited freight. The Schneider BMXNOE0100 TCP/IP Ethernet network module attacks those costs at the network layer. It gives your M340 controller a transparent-ready 10/100 Mbit/s Ethernet connection, so diagnostics, data collection, and remote access stop being separate expenses and become built-in capabilities.
This is not a generic communication card. It is a standard-category module from the Modicon M340 automation platform, designed to sit in the rack and draw power from the rack’s internal supply. That single design choice removes the cost of an external power brick, extra wiring, and the cabinet space those items consume.
What You Actually Get for the Money
Network and protocol coverage
The module provides one Ethernet TCP/IP RJ45 port rated at 10/100 Mbit/s over one twisted pair, with transparent availability and Class B30 protection processing. In plain terms, you connect standard copper Ethernet cabling and immediately gain access to the services that normally require separate hardware or software licenses.
Built-in services that replace add-on purchases
The BMXNOE0100 ships with a service set that many competitors charge extra for: bandwidth management, a data editor via PC terminal, an FDR server, rack viewer, SNMP network manager, global data, I/O scanning, Modbus TCP messaging, and a configurable web server. Each of these functions would otherwise be a standalone tool, a license, or a third-party gateway. Consolidating them into one rack-mounted module directly lowers your bill of materials and your integration hours.
Memory without a separate order
Schneider supplies a flash card (BMXRWSC016M) with the module. That card supports application programming and activation of the standard web server. You do not need to source, stock, or pay freight on a separate memory accessory — one line item covers the network interface and its storage.
Key Parameters That Drive the Cost Equation
| Specification | Value |
|---|---|
| Product family | Modicon M340 Automation Platform |
| Product type | TCP/IP Ethernet Network Module |
| Integrated connection | Ethernet TCP/IP RJ45 10/100 Mbit/s, 1 twisted pair, transparent, Class B30 |
| Ethernet port | 10BASE-T/100BASE-TX |
| Communication services | Bandwidth management, data editor (PC terminal), FDR server, rack viewer, SNMP network manager, global data, I/O scanning, Modbus TCP messaging, configurable web server |
| Memory | Supplied flash card (BMXRWSC016M) |
| Power supply | Via internal power supply in the rack |
| Current consumption | 90 mA at 24 V DC |
| Operating temperature | 0…60 °C |
| Relative humidity | 10…95 % non-condensing |
| IP rating | IP20 |
| Net weight | 0.2 kg |
Two numbers deserve a second look. First, 90 mA at 24 V DC is a light electrical load. You are not adding a meaningful burden to the rack supply, so you avoid upsizing power hardware. Second, the 0.2 kg net weight and compact packaging keep inbound freight and shelf space minimal — useful when you stock spares across multiple sites.
Where This Module Earns Its Keep
Plant-floor data collection without new gateways
A packaging line running an M340 rack can use the BMXNOE0100 to push production counts and fault codes to a supervisory system over Modbus TCP messaging. Because I/O scanning and global data are built in, you skip the cost of a separate protocol converter and the engineering time to configure it.
Remote diagnostics that cut truck rolls
The configurable web server and rack viewer let maintenance staff inspect module status from a browser. A technician can confirm whether a fault is real before driving to the site. That single capability often pays for the module within a few avoided callouts.
Spare-part strategy for multi-line plants
Standard module category and a single rack-mounted form factor mean one spare part number covers many cabinets. Reducing the variety of spares you carry lowers inventory carrying cost and the risk of holding the wrong card.
Fitting It Into an Existing M340 Installation
Installation follows the M340 platform pattern: seat the module in the rack, confirm it draws power from the internal supply, and connect the RJ45 port to your network. Use the RESET button for a cold start when you need a clean initialization. Six LEDs give immediate feedback — green for Ethernet activity, processor run, and Ethernet network status; red for data rate, memory card error, and processor or system error. That LED set is a diagnostic tool you would otherwise buy as separate test equipment.
Before you power up, verify your cabinet conditions against the published environment: 0…60 °C operating temperature, 10…95 % non-condensing relative humidity, and IP20 protection. IP20 means the module expects a clean, protected enclosure — plan your panel accordingly to avoid contamination-related failures.
Reliability and Long-Term Cost Control
Inspect the module periodically as part of your standard cabinet maintenance routine. Check that the RJ45 connection is seated, confirm the LEDs show normal operation, and keep the enclosure within the stated temperature and humidity range. Because the module has no moving parts, wear is low; the main risks are environmental and connection-related. Following the manufacturer’s documentation for all service work protects both the module and your warranty position.
Compatibility and Integration Notes
The module belongs to the Modicon M340 automation platform and communicates over Ethernet TCP/IP and Modbus TCP messaging. It carries the CE marking and complies with Directives 2014/35/EU (Low Voltage Directive) and 2014/30/EU (Electromagnetic Compatibility). Confirm your controller firmware and rack configuration support the services you intend to use before commissioning.
What to Verify Before You Buy
Check four things: the exact part number BMXNOE0100, your rack slot availability, your network’s Ethernet standard, and whether you need the supplied flash card for web server activation. If you are replacing a failed module, match the product family and connection type precisely. SpareTechPLC stocks industrial automation parts and can confirm current lifecycle status and availability before you order.
Frequently Asked Questions
Does the BMXNOE0100 require an external power supply?
No. It receives power via the internal power supply in the rack and consumes 90 mA at 24 V DC.
What communication services are included at no extra cost?
The module includes bandwidth management, data editor via PC terminal, FDR server, rack viewer, SNMP network manager, global data, I/O scanning, Modbus TCP messaging, and a configurable web server.
What is the operating temperature range?
The module operates from 0…60 °C with 10…95 % non-condensing relative humidity, and it carries an IP20 rating.
Is a memory card included?
Yes. Schneider supplies a flash card (BMXRWSC016M) that supports application programming and activation of the standard web server.
How do I know the module is working correctly?
Six LEDs report status: green for Ethernet activity, processor run, and Ethernet network status; red for data rate, memory card error, and processor or system error. A RESET button provides cold start control.
