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Description of the device
4.9 Configuration License PLUG
4.9.2
Function
Devices with a CLP slot support the following operating modes:
• Without CLP
The device saves the configuration data in the internal memory. This mode is active when no
CLP is inserted.
• With CLP
In the startup phase:
– When an CLP with no data (default setting) is plugged into a device, the device
– If a CLP with data is plugged into a device, the device automatically adopts the
During operation:
– During operation, changes to the configuration are saved on the CLP and in the internal
– The configuration data of the device is stored in a secured memory area of the CLP. This
– The device checks whether a CLP is inserted at one second intervals. If the device detects
– The device signals deviations from normal operation of the CLP (e.g. incompatible data,
The procedure for pulling and plugging the PLUG can be found in the section "Replacing a CLP
(Page 67)".
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automatically saves its configuration data on the CLP during the startup phase. After that,
it behaves like a CLP with data.
configuration of the CLP during the startup phase.
memory.
secured memory area can only be accessed via the authentication of the Siemens device.
that the CLP has been removed, it restarts automatically.
NOTICE
Operating risk - Danger of data loss
Only pull and plug the CLP when the device is de-energized.
incorrect operation or malfunctions) via the existing diagnostics mechanisms (e.g. LEDs
or user interfaces).
Operating Instructions, 10/2022, C79000-G8976-C584-01
SCALANCE XC-300
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