FieldServer FS-8700-103 Manuale Utente

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FS-8700-103_ATMI_TGM_Serial 
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Appendix B.3.  Adding/Modifying Gas Concentration Value Engineering Units 
The configuration CSV file can be used to modify the table of engineering units that is hard 
coded into the driver. This table is presented in  Appendix A.3 
 
Add a section to the configuration file which is similar to the following example. 
 
In the example below the Units specified is ‘PPM’, an entry from the existing list. When the 
driver finds the lines below, it will update the index value to 20. 
 
// Change index value of existing unit to 20. 
 
 
 
Driver_Table 
 
 
TGM_Units_Name, 
TGM_Units_Index_Value, 
Protocol 
PPM, 
20, 
TGM 
 
In the example below the units specified are ‘gpl’ and they have been assigned an index 
value of 7. 
 
// Add a new engineering unit 
 
 
 
Driver_Table 
 
 
TGM_Units_Name, 
TGM_Units_Index_Value, 
Protocol 
gpl 
7, 
TGM 
 
Appendix B.4.  Adding / Modifying Hard Coded Gas Names 
When a gas concentration is reported, the driver reports the gas name by looking up the gas 
name in a list of hard coded gas names.  When a match is found the driver stores the 
associated index value.  The table may be modified/extended in the configuration CSV file. 
The table of names and index values is provided in Appendix A.1 
 
Add a section to the configuration file which is similar to the text found in the examples 
below. 
 
In the example below the gas name specified is ‘H2’, an entry from the existing list. When 
the driver finds the lines below, it will update the index value to 20. 
 
// Change index value of existing gas to 20. 
 
 
 
Driver_Table 
 
 
TGM_Gas_Name, 
TGM_Gas_Index_Value, 
Protocol 
H2, 
20, 
TGM