By Alireza Monfared on Wednesday, 03 September 2025
Category: Knowledge Center

The Role of Industrial Ethernet and PoE Switches in Industrial Automation Networks

In the era of Industry 4.0 and the Industrial Internet of Things (IIoT), industrial networks need to be more robust, reliable, and scalable than ever before. Industrial Ethernet and PoE (Power over Ethernet) switches are foundational technologies enabling the connectivity, power management, and communication that modern automation systems rely on. Omnitron Systems’ RuggedNet® Industrial Ethernet Switches are engineered to meet the demanding requirements of industrial environments, powering everything from IoT devices to high-performance industrial machines.

This article explores how Industrial Ethernet and PoE switches are essential in driving industrial automation networks, improving efficiency, and enabling the integration of IIoT technologies.

What is Industrial Ethernet?

Industrial Ethernet is a specialized communication protocol designed for industrial environments that demand high levels of reliability, durability, and performance. Unlike traditional office Ethernet, Industrial Ethernet is designed to operate in harsh conditions, such as extreme temperatures, vibrations, and electromagnetic interference, making it ideal for factory floors, warehouses, and outdoor industrial settings.

Omnitron Systems’ RuggedNet® Industrial Ethernet Switches are optimized for industrial environments. These switches extend communication distances via fiber optic cabling, which is essential for connecting devices like workstations, IP cameras, and Wi-Fi routers over long distances. Available in both unmanaged and managed models, these switches provide flexible options for different network configurations, from basic setups to complex, high-performance networks.

Key Features of Industrial Ethernet Networks:

What is Industrial Automation?

Industrial automation refers to the use of control systems, such as computers, robots, and information technologies, to handle different industrial processes and machinery in factories, boilers, chemical plants, and other applications. The goal of industrial automation is to increase production efficiency, improve product quality, reduce human intervention, and enhance workplace safety. By utilizing automation technologies like Programmable Logic Controllers (PLCs), Supervisory Control and Data Acquisition (SCADA) systems, and industrial robots, manufacturers can streamline operations, optimize processes, and maintain consistent outputs with minimal downtime. As industries move towards Industry 4.0, automation systems are increasingly interconnected with IIoT (Industrial Internet of Things) devices, enabling real-time data monitoring, analysis, and decision-making to further enhance productivity and operational control.

What Are PoE Switches and Why Are They Important?

Power over Ethernet (PoE) switches are pivotal in modern industrial networks because they combine data transmission and power delivery over a single Ethernet cable. This reduces the complexity of installations and minimizes the number of cables required to power devices like IP cameras, sensors, and wireless access points. PoE switches are particularly advantageous in Industrial Ethernet networks where space and power outlets may be limited, or where devices need to be deployed in remote or difficult-to-access areas.

Omnitron Systems' Multi-Port RuggedNet® PoE Switches provide high-power capabilities in harsh environments, making them ideal for automation systems that require stable power delivery. These switches are designed to operate in temperatures ranging from -40ºC to 75ºC, ensuring long-lasting performance in the most extreme industrial conditions.

Key Advantages of PoE Switches:

The Impact of Industrial Ethernet on Automation Systems

Industrial Ethernet is a critical enabler for Industry 4.0, supporting the Industrial Internet of Things (IIoT) and facilitating the interconnection of devices across manufacturing facilities. In automation systems, Industrial Ethernet ensures that sensors, actuators, controllers, and other smart devices can communicate with each other in real-time. Omnitron’s RuggedNet® Industrial Ethernet Switches help industrial networks achieve better performance, reduce latency, and ensure operational continuity.

For example, RuggedNet switches support advanced protocols like VLAN, Class of Service, and Link Layer Discovery Protocol (LLDP). These features optimize data traffic, which is crucial in automation systems where real-time data collection, decision-making, and feedback loops are essential for productivity.

Advantages of Industrial Ethernet in Automation:

Why PoE Switches Are Critical for Industrial Automation Networks?

In industrial automation systems, PoE switches are especially important in powering devices like cameras, sensors, and access points, which are integral to smart factories. With RuggedNet® PoE switches, industries can deploy network devices in areas where traditional power outlets are impractical. The ability to provide power and data through a single Ethernet cable simplifies network design, enhances flexibility, and reduces costs.

PoE switches from Omnitron Systems are engineered to support high-power PoE++ standards, ensuring that even power-hungry devices can be connected and powered reliably.

Read more: Omnitron Industrial PoE Switches Overview

Use Cases for PoE Switches in Industrial Automation:

Benefits of Combining Industrial Ethernet and PoE Switches in Automation

When combined, Industrial Ethernet and PoE switches offer a comprehensive solution for industrial automation. The RuggedNet® series from Omnitron Systems integrates these technologies to provide a flexible, reliable, and scalable network infrastructure that meets the demands of Industry 4.0 applications. By simplifying network deployment and enhancing connectivity, this solution enables the smooth operation of smart factories, where automation and IIoT systems are interconnected.

Key Benefits:

Selecting the Right Industrial Ethernet and PoE Switches for Your Network

Choosing the right Industrial Ethernet and PoE switches for your industrial network is crucial for ensuring smooth and efficient operations. The choice of switch will depend on factors such as the number of devices, environmental conditions, and the need for remote management. For more complex environments, managed switches offer advanced features like VLAN, rate limiting, and RSTP, while unmanaged switches provide simpler, cost-effective solutions for less demanding networks.

When selecting Omnitron RuggedNet® switches, consider the following:

FAQ 

WHAT IS INDUSTRIAL ETHERNET?

Industrial Ethernet is a communication protocol designed for industrial networks, providing reliable and high-speed communication across devices like sensors, PLCs, and IoT devices.

WHY ARE POE SWITCHES IMPORTANT IN INDUSTRIAL AUTOMATION?

PoE switches deliver both power and data over a single Ethernet cable, simplifying network setups and reducing installation costs. They are essential for powering IoT devices, cameras, and sensors in automation systems.

HOW DOES INDUSTRIAL ETHERNET IMPROVE AUTOMATION NETWORKS?

Industrial Ethernet provides high-speed communication, low latency, and reliability, all of which are essential for real-time monitoring, control, and optimization in industrial automation and Industry 4.0 applications.

WHAT TYPES OF DEVICES CAN BE POWERED BY POE SWITCHES IN INDUSTRIAL AUTOMATION?

PoE switches can power a variety of devices, including security cameras, wireless access points, sensors, and other IIoT devices, ensuring flexibility in industrial environments.

HOW DO INDUSTRIAL ETHERNET AND POE SWITCHES WORK TOGETHER?

Industrial Ethernet enables fast, reliable communication between devices, while PoE switches power these devices through the same Ethernet cable, simplifying installations and ensuring stable connectivity for IIoT devices.

 

Conclusion: The Future of Industrial Ethernet and PoE Switches in Automation

As Industry 4.0 and IIoT technologies continue to transform industrial automation, Industrial Ethernet and PoE switches from Omnitron Systems provide the critical infrastructure needed to support this revolution. With features like rugged designs, fiber extension, and PoE power delivery, RuggedNet® switches are tailored to meet the evolving needs of smart factories, ensuring that your network remains efficient, scalable, and future-proof.

Omnitron Systems offers innovative solutions that help businesses stay ahead in the rapidly evolving industrial landscape. Trust in our Industrial Ethernet switches to provide network uptime and long-term reliability for your automation needs.

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