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SCP 211
S-DIAS SAFETY CPU-MODULE
Page 26
11.10.2021
6.5
Configuring a Safety CPU with the SD Card
The configuration is loaded from an SD card as follows:
•
Delete the configuration of the Safety CPU to be programmed
To load the configuration from the SD card, the configuration in the Safety CPU
must first be deleted. This can be done with either the SAFETYDesigner or with
help from the CLR_CFG command using validation button on the Safety CPU.
Once the configuration in the Safety CPU is deleted, the Safety CPU can no
longer return to the operational or temporary operational mode. The Safety CPU
remains in the service mode.
•
Insert the SD card and deactivate the system
In the next step, an SD card with the valid configuration must be inserted in the
Safety CPU and the system shut down.
•
Restart the system with the SD card
When the system is restarted, the configuration is loaded from the SD card into
the Flash of the Safety CPU. This is only possible if a valid configuration is stored
on the SD card. If the SD card has an incorrect format (error message 86) or the
Safety CPU's Flash has not been cleared (error message 87), the Safety CPU
goes into the error status. If the configuration does not match the available real
modules, the distribution process of the configuration triggers an error (error
message 9) and the Safety CPU also goes into safe mode.
•
If an error occurs during the restart, see the following chapter " Restart Error".
A microSD card with a memory capacity of 1 Gigabyte is available from
SIGMATEK under the article number 12-630-101.
Only microSD cards that support version 2.0 or higher of the "SDA Physical
Layer Specification" (SDA=SD Card Association) can be used.
It is recommended that only microSD cards provided by SIGMATEK be
used.
The number of read and write actions have a significant influence on the
lifespan of the storage media.
Содержание SCP 211
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