2 How the service bridge works and how to use it
Service Bridge – Setup and Configuration
Entry ID: 109747975, V1.4, 05/2019
Siemens AG 2019 All rights reserved
2 How the service bridge works and how to
use it
2.1 Ports
The basis for the functionality of the service bridge are the switches of the
XC-200 series with a special configuration. These switches have between 8
(XC208) and 24 ports (XC224).
Regardless of the number of ports, the Service Bridge is connected to the plant bus
(plant bus) via port 1. Integration into a system bus ring is not planned.
The remaining ports are available for the PROFINET networks. In the case of the
SCALANCE XC224, access to up to 23 separate PROFINET networks is possible.
The separation between the networks is ensured by a VLAN configuration.
Figure 2-1
Access from the system bus to the individual PN networks should only be
temporarily active and can be implemented by activating/deactivating the ports
via the Web Based Management (WBM) of the service bridge, see chapter 0.
If continuous access to the PROFINET fieldbus is required, we recommend
using a service bridge separate from the system bus, see chapter 6.1.
When resetting the service bridge to factory settings, the configuration for
network separation is lost. Therefore, disconnect all connections to the
PROFINET networks before resetting.
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