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DOK-CONTRL-S20*SYS*INS-AP02-EN-P
IndraControl S20 System and Installation
10.3
Saving data: startup and other parameters
Startup parameters
(Flash)
Other parameters
(RAM)
Defined parameters and other parameters are available as startup parameters for
each IndraControl S20 module.
Startup parameters are stored retentively (in a non-volatile way, permanently) in
the flash memory.
Startup parameters include the application object parameters, e.g., parameter ta-
ble, substitute value, filter time, etc. As soon as valid parameters are specified for
these objects, they are stored retentively on the module.
Due to the storage technology used, parameters that are stored retentively can
only be written for a specific number of times (100,000 up to 1,000,000 times, typ-
ically). They are not suitable for being changed cyclically.
NOTICE
The flash memory is only designed for a limited number of write access operations.
Make therefore sure that write access operations are not performed too often and,
in particular, not cyclically.
Observe this behavior when programming function blocks.
Other parameters are stored temporarily (in a volatile way) in the RAM.
Bosch Rexroth AG
Process, parameter, and diagnostic data
Damage to the flash memory during cyclic
write access
89/122
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