Description of the device
3.5 C-PLUG
SCALANCE XC-200
34 Operating Instructions, 07/2016, C79000-G8976-C442-01
How it works
Operating mode
In terms of the C-PLUG, there are three modes for the device:
● Without C-PLUG
The device stores the configuration in internal memory.
This mode is active if no C-PLUG is inserted.
● With unwritten C-PLUG
If an unwritten C-PLUG (factory status or deleted with Clean function) is used, the local
configuration already existing on the device is automatically stored on the inserted C-
PLUG during startup.
This mode is active as soon as an unwritten C-PLUG is inserted.
● With written C-PLUG
A device with a written and accepted C-PLUG uses the configuration data of the C-PLUG
automatically when it starts up. The requirement for acceptance is that the data was
written by a compatible device type.
If there is configuration data in the internal memory of the device this is overwritten.
This mode is active as soon as a written C-PLUG is inserted.
The configuration stored on the C-PLUG is displayed over the user interfaces.
If changes are made to the configuration, the device stores the configuration directly on the
C-PLUG, if this is in the "ACCEPTED" status and in internal memory.
Inserting a C-PLUG that does not contain the configuration of a compatible device type and
inadvertently removing the C-PLUG, or general malfunctions of the C-PLUG are indicated by
the diagnostic mechanisms of the device.
● Fault LED
● Web Based Management (WBM)
● SNMP
● Command Line Interface (CLI)
● PROFINET diagnostics
The user then has the choice of either removing the C-PLUG again or selecting the option to
reformat the C-PLUG.
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