System variable
on the device
States Description
.batteryexisting EXISTING EXISTING is only displayed when .batterynecessary is set to:
●
MANDATORY or
● OPTIONAL or
● OPTIONAL_RTC
and a battery is installed.
NOT_EXISTING Battery is not available.
State is statically set for D410-2.
1)
If the SuperCap is discharged, the contents of the real-time clock (RTC) are lost.
5.6.4
Replacing modules in the spare part scenario
SIMOTION module replacement
During a module replacement, a CF card that contains the non-volatile SIMOTION data backed-
up with _savePersistentMemoryData, is inserted in a new device of the same type.
A module replacement is detected by the SIMOTION D410-2 on the basis of the serial number.
The data backed up on the CF card with _savePersistentMemoryData are then automatically
transferred to the new device.
Note
As
an additional option, you can back up the non-volatile data by switching the service selector
switch, with the DIAG button, or via SIMOTION IT web server. For details, see Section
Diagnostic data and non-volatile SIMOTION data (Page 304).
Initial power-up with the CF card
This requires a CF card on which no device serial number is stored.
If
the SIMOTION D410-2 powers up successfully with a new CF card, the serial number of the
device is stored on the CF card. In this case, a module replacement cannot be detected.
Note
The serial number stored on the CF card remains unaffected by the following actions:
●
Copy RAM to ROM
● Project download
● Writing the CF card via the SCOUT function "Load to file system"
● FW/project update via device update tool
If the CF card contents are copied to another CF card, the serial number is also copied. A
serial number stored on the CF card can only by removed by deleting the CF card contents.
Commissioning (hardware)
5.6 User memory concept
SIMOTION D410-2
96 Commissioning and Hardware Installation Manual, 01/2015
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