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Ethernet switches permit flexible communication

21 July 2015

The range of managed Industrial Ethernet switches available from Siemens has been extended with the Layer 2 Scalance XB-200 switches which provide data rates up to 100 Mbps and a multitude of functions. 

The switches support both Profinet and EtherNet/IP, with users choose between the standards via a switchover function. As a result, the devices can be used for real-time communication in a variety of automation environments. 

The space-saving switches provide functions for increasing safety and for configuration, diagnostics, and management of networks. Typical applications include machine networking in plants of the manufacturing industry and of the process industry such as oil and gas, pharmaceuticals, and chemicals. 

The compact switches support VLANs (Virtual Local Area Networks) and are also certified for use in hazardous areas (IECEx/ATEX Zone 2/UL HazLoc). Security functions such as multicast blocking, loop detection and access control via Radius Server allow them to be integrated into security concepts for the protection of networks. Comprehensive SNMP (Simple Network Management Protocol) functions such as SNMP V3 allow the monitoring of large networks with monitoring tools such as Sinema Server.

The four device versions in a plastic enclosure with widths of 40mm, 80mm, or 120mm save space in the control cabinet. With up to 16 electrical and three optical connections the devices offer flexibility and can even cover distances up to 26km in single mode. A new slide on the enclosure simplifies unlocking and allows easy manual installation of switches on the DIN rail.

Network communication is not interrupted even during a power failure due to the redundant power supply with two 3-pin connectors. The console port allows users to connect to a terminal for configuration, diagnostics, and management of the network using a command line interface.

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