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Ethernet switches explained!
Anderson Silva from Murrelektronik’s Applications Team discusses the benefits and advantages of Ethernet switches in today’s industrial applications
A
s the worlds of machinery and system connectivity grow closer together, Ethernet- based solutions are becoming
increasingly important. Industrial Ethernet has grown faster than the traditional the remarkable increase in the number of Ethernet components used in machinery and systems today. Ethernet switches are integral to
communications. So there is a lot to consider when choosing your industrial Ethernet switches: the production environment, their position in the network; managed or unmanaged; the cables and connectors; and more.
1. What is the right switch for my application: managed or unmanaged?
Unmanaged switches, like Xelity (Figures 1 and 2), Xenterra or Tree, are typically Ethernet devices in small and/or local networks. They ensure that Ethernet data they add additional ports to the network, but do not provide intelligent functions, industrial environments, unmanaged switches are often used in small networks.
that eliminates bottlenecks and increases the performance of any Ethernet-based application.
Figure 2: Xelity IP20 managed switches allow the setting up of different network topologies. They can also perform other tasks including error analysis and network diagnostics. Data transmission and network control can be omptimised remotely
reducing cabling on an installation with power and data in one cable. PoE switches eliminate the need for two cables, one for communication and one for power, per Ethernet device. Thanks to their step-up converter, Tree PoE switches can power up 48VDC cameras, scanners, IP phones and many other PoE devices with a 12/24V DC power supply. Tree’s PoE booster accommodates up to 120W (30W per port) of load on one single switch. Also, another advantage is that our Tree PoE switches use standard 8-pole RJ45 cables.
4. How can switches help simplify wiring and reduce assembly time? Switches are a requirement to add they don’t necessarily have to be mounted inside enclosures.
IP67-rated switches, like the
Murrelektronik Tree67 (Figure 4), are a great option to save space inside enclosures, reduce costs with wiring, and improve commissioning and troubleshooting time. These switches, that can be mounted up to 100m away from the main cabinet, optimise cable routing without compromising network of Murrelektronik’s D-coded or X-coded industrial Ethernet cables, IP67 switches are the perfect solution to make any Ethernet network plug-n-play.
Figure 4: Tree67 – the new models with IP67 protection are equipped with four or eight M12 ports (D-coded)
Figure 3: Tree PoE switches reduce wiring
3. What do I need to take in consideration when planning a network?
Figure 1: Xelity IP20 unmanaged Gigabit switches are quick and easy to install, no programming required. They are in robust plastic housing, narrow design and with DIN rail mounting
2. What are the benefits of Power over Ethernet (PoE) switches? PoE switches, such as Murrelektronik’s Tree PoE (Figure 3), are a great way of
46 May 2024 | Automation
The challenges faced by electrical design teams can’t be underestimated. There are many variables to consider during a machine’s concept phase: factors like the number of Ethernet devices, network load, response time and infrastructure are just a few things that must be addressed. Murrelektronik switches (Xelity, Xenterra and Tree unmanaged and managed, IP20- or IP67-rated) can be combined to
CONTACT:
Murrelektronik
www.murrelektronik.co.uk; 0161 728 3133
techsupport@murrelektronik.co.uk
automationmagazine.co.uk
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