Commissioning (hardware)
4.3 User memory concept
SIMOTION D4x5-2
94 Commissioning and Hardware Installation Manual, 02/2012
4.3.3 Operations and their effect on the user memory
The operations marked with arrows in the figures entitled "SIMOTION D4x5-2 memory
model" and "Configuration data and system variables in the volatile memory" and their
effects on the user memory is described below.
SIMOTION SCOUT download
The following data is transferred with "Download project to target system" or "Download CPU
/ drive unit to target device" from the engineering system to the "volatile SIMOTION data"
area:
● User data (units, configuration data, parameter settings, task configuration)
● Technology packages (TPs)
In addition, the IP and DP parameters are saved to the "non-volatile SIMOTION data" area.
The retain variables are set to their initial values, but this depends on the settings in
SIMOTION SCOUT. If the SIMOTION D4x5-2 is switched off following the download, the
volatile SIMOTION data is lost.
Copy RAM to ROM
The Copy RAM to ROM menu command saves the following data via the engineering
system to the CompactFlash card:
● Technology packages and user data (units, configuration data, parameter assignments,
task configuration) from the "volatile SIMOTION data" area
● Current values are copied to the "volatile SIMOTION data" area, depending on the
settings in SIMOTION SCOUT.
Note
The "Copy RAM to ROM" menu command does not save the current values of the retain
variables to the CompactFlash card. Use the system function
_savePersistentMemoryData for this purpose.
Note
The "Copy RAM to ROM" function is also available for drive units and saves the volatile
SINAMICS data to the non-volatile memory (CompactFlash card).
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