Purpose - Siemens SIMATIC NET Operating Instructions Manual

Network components

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Description of the device

3.2 Purpose

3.2

Purpose

Basic function

With the optical bypass relay SCALANCE XC100-4OBR, you can activate and deactivate

end devices in bus, star and ring structures without interrupting the communication between

other network components.

If an error occurs, the bypass relay bypasses the connected end device so that the

connection in the network is retained.

An end device is a device connected to the network via a bypass relay.

Normal operation

When the SCALANCE XC100-4OBR is supplied with power, the network interfaces are

connected to the end device interfaces of the bypass relay

bypass relay is connected is therefore in the network.

①

. The end device to which the

Operating Instructions, 10/2013, C79000-G8976-C297-02

SCALANCE XC100-4OBR

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Scalance xc100-4obr