| 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 in-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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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 When finished, save the file back to the USB stick.
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