The information below is out of date. It is now possible to configure the device directly from centrix. This is now the recommended method.
| Warning |
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The following is intended as reference only. It is not advisable that these steps be undertaken without guidance from MPEC or in-depth knowledge of the product. Incorrect modification of any of the configuration files can result the SA-SSI data logger becoming unresponsive and non-operational. |
The configuration on the SSI logger consists of several text files which can be edited on a PC. These need to be extracted from the logger, edited and then reinstated. It is possible to “brick” the logger if these files are edited incorrectly.
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- Blank USB stick
- PC (to edit configuration)
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Saving
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configuration to USB
Remove the USB to serial converter and insert the USB stick into the logger.
Navigate to the configuration menu:
Enter 12345 as the passcodethe pass code (the default is 12345):
Select “Save configuration to Configuration To USB”:
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The logger will write the configuration to the USB stick:
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When it’s finished, click “OK”
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Updating the configuration
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Before editing the configuration, take a backup copy!
The “init.txt” file contains the logger’s start-up instructions, which will include a line as below:
ssi uart1=/dev/ttyUSB0 uart2=/dev/ttyUSB1 cfg=scripts/STPANCB.xmlThis tells the logger that the file STPANCB.xml contains the SSI configuration for this logger.
Load the relevant ssi configuration file (i.e. STPANCB.xml in this case) into a text editor (notepad will not suffice, use wordpad or (recommended) notepad++).
You need to change the expected identifier to agree with the correct SSI Interlocking value.
This is at the end of the file, as in this example:
The value should be a positive integer from 1 to 63.
You may find configurations which contain “-1” which has been used as a placeholder.
Save the file When finished, save the file back to the USB stick.
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configuration from USB
First insert the USB stick into the logger.
Navigate to the configuration menu:
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Enter 12345 as the passcodethe pass code (the default is 12345):
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Select "Load Configuration From USB":
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Confirm loading of the new configuration:
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The logger MUST be restarted in order that the new configuration is used.
Wait for the logger to restart.