Siemens SIMATIC S5 Manual page 145

Parameterizing, saving and documenting the configuration with COM ET 200 Windows
3. Enter the current station number of the DP master (default after reset =
Resetting the 32 K If you perform a reset (by PG or by removing the backup battery), only the
EEPROM configuration data on the 32 K EEPROM is deleted. The STEP 5 application
program is deleted if you then press the button for copy from 32 K EEPROM.
ET 200 Distributed I/O System
EWA 4NEB 780 6000-02a
STN1). The current station number is available as a hexadecimal value in
EB 62.
Result: The S5-95U goes to STOP, regardless of whether the mode selec-
tor switch is set to STOP or RUN.
If the configuration data is exported successfully the data is stored in
compressed form in the 32 K EEPROM (STOP LED flickers).
If the configuration data is not exported successfully, the S5-95U resumes
with the old bus parameters of the 32 K EEPROM. If the 32 K EEPROM
is blank, the default values are used.
After a STOP-RUN transition, the DP master is operating with the new
configuration data.
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