
Why the BMXNOC0401 Network Module Matters for Modern Automation
In today's connected factories, reliable communication between controllers and field devices is critical. The Schneider BMXNOC0401 network module addresses this need by providing robust Ethernet connectivity for the Modicon M340 automation platform. This module supports both EtherNet/IP and Modbus/TCP protocols, making it a versatile choice for diverse industrial environments.
With the rise of Industry 4.0 and smart manufacturing, the ability to integrate seamlessly into existing networks is a key factor for operational efficiency. The BMXNOC0401 helps bridge the gap between legacy systems and modern IT/OT convergence, enabling better data flow and real-time monitoring.
Introducing the BMXNOC0401: Key Features and Benefits
The BMXNOC0401 is an Ethernet TCP/IP network module designed for the Modicon M340 platform. It features four RJ45 ports, each supporting 10/100 Mbit/s Ethernet, allowing for flexible network topologies. The module is classified as Transparent Ready with class B30, indicating a high level of network transparency and diagnostic capability.
One of the standout features is its integrated 4-port switch, which simplifies wiring and reduces the need for external switches. This not only saves space but also lowers installation costs. Additionally, the module supports RSTP (Rapid Spanning Tree Protocol) for network redundancy, ensuring high availability in critical applications.
Technical Specifications at a Glance
- Communication protocols: EtherNet/IP and Modbus/TCP
- Ports: 4 x RJ45, 10BASE-T/100BASE-TX
- Current consumption: 555 mA at 3.3 V DC
- Operating temperature: 32 to 140 °F (0 to 60 °C)
- Relative humidity: 10 to 95% without condensation
- Protection rating: IP20
- Weight: 0.4 lb (0.2 kg)
These specifications make the BMXNOC0401 suitable for control panels and cabinets where space is at a premium. The module is powered internally via the rack, eliminating the need for an external power supply. It also includes a range of LEDs for status indication, including RUN, ERR, ETH STS, MS, and NS, which aid in quick diagnostics.
Real-World Applications and Use Cases
The BMXNOC0401 is ideal for applications requiring high-speed data exchange between PLCs and supervisory systems. In a typical packaging line, for instance, the module can handle real-time control and monitoring, ensuring synchronized operation of multiple machines. Its support for both EtherNet/IP and Modbus/TCP allows integration with a wide range of devices from different manufacturers.

Another common use case is in material handling systems, where the module's RSTP support ensures network redundancy. If one network path fails, communication continues seamlessly, minimizing downtime. The module's FDR (Fault Diagnostic Recorder) server capability also helps in quick troubleshooting, reducing mean time to repair.
Business Value and ROI
Investing in the BMXNOC0401 can lead to significant cost savings over time. Its integrated switch reduces hardware costs, while the support for standard protocols eliminates the need for protocol converters. The module's robust design, with a wide operating temperature range and high humidity tolerance, ensures reliable operation in harsh industrial environments, reducing unplanned downtime.
Moreover, the BMXNOC0401 is certified to various international standards, including CE, UL, CSA, RCM, EAC, and ATEX Zone 2/22, making it suitable for use in hazardous locations. This compliance simplifies project approvals and reduces engineering time, further enhancing ROI.
Comparison with Similar Modules
When compared to other network modules in the Modicon M340 family, the BMXNOC0401 stands out due to its dual-protocol support and integrated switch. While some modules may offer only Modbus/TCP, the BMXNOC0401 also supports EtherNet/IP, making it more versatile. Additionally, the 4-port switch is a unique feature that reduces the need for external network infrastructure.
In terms of environmental resilience, the BMXNOC0401's operating temperature range of 0 to 60°C and humidity tolerance of up to 95% are competitive. Its IP20 rating is typical for indoor control cabinet installations. For applications requiring higher protection, additional enclosures may be necessary.

Why Choose SpareTechPLC for Your BMXNOC0401 Needs
At SpareTechPLC, we specialize in providing genuine industrial automation spare parts, including the BMXNOC0401. Our team understands the importance of reliability and fast delivery. We offer competitive pricing and ensure that all products are sourced from reputable manufacturers.
With our extensive inventory and global shipping capabilities, we help minimize downtime for our customers. Whether you are upgrading an existing system or building a new one, SpareTechPLC is your trusted partner for quality automation components.
Frequently Asked Questions
What protocols does the BMXNOC0401 support?
The BMXNOC0401 supports both EtherNet/IP and Modbus/TCP protocols, allowing seamless integration with a wide range of industrial devices and systems.
How many Ethernet ports does the BMXNOC0401 have?
It has four RJ45 ports, each supporting 10/100 Mbit/s Ethernet. This integrated switch simplifies network wiring and reduces the need for external switches.
What is the power consumption of the BMXNOC0401?
The module consumes 555 mA at 3.3 V DC, supplied internally via the rack. This low power consumption makes it energy-efficient and easy to integrate.
Is the BMXNOC0401 suitable for hazardous areas?
Yes, the BMXNOC0401 is certified for ATEX Zone 2/22 and IECEx Zone 2/22, making it suitable for use in potentially explosive atmospheres.
Conclusion
The Schneider BMXNOC0401 network module is a powerful and versatile solution for modern industrial networks. Its support for EtherNet/IP and Modbus/TCP, combined with an integrated switch and robust certifications, makes it a valuable asset for any automation project.
By choosing SpareTechPLC as your supplier, you ensure genuine parts, expert support, and timely delivery. Contact us today to learn more about the BMXNOC0401 and how it can benefit your operations.











