Industrial Ethernet switches are built to endure extreme temperature fluctuations, typically ranging from -20°C to 70°C. Their robust design ensures they can withstand external disturbances and even allow for natural cooling of sensitive internal components without the need for fans or other cooling mechanisms.
These devices utilize high-quality, high-reliability components. Unlike commercial switches that often use fans, thermal silica gel, and electrolytic capacitors—components with limited lifespans—industrial switches avoid these elements to ensure long-term stability and performance in demanding environments.
Who needs an industrial Ethernet switch? Many critical applications benefit from using Industrial Ethernet. Here are a few key examples:
One way to think of Ethernet is as a "huge equalizer" that connects different layers of a plant’s equipment and office computers. This creates a sense that all devices—PCs, servers, PLCs, sensors, actuators, and more—are on the same network level. However, this setup can lead to issues where data traffic between control devices gets mixed with non-critical activities like email, instant messaging, or web browsing. Industrial Ethernet switches help isolate important control devices into their own collision domains, ensuring that critical data flows smoothly and securely.
Another common application involves isolated standalone devices. In this case, a single device is connected to an Ethernet switch port, placing it in its own collision domain. For example, a control engineer might connect a PLC and a sensor/actuator through a multi-port Ethernet switch. This setup isolates control activities from the rest of the network, allowing engineers to access devices remotely while maintaining high-speed communication between separate collision domains.
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