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<< Click to Display Table of Contents >> Symbol database content |
  
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<< Click to Display Table of Contents >> Symbol database content |
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The symbol database is a relation database consisting of three database tables each one stored in a separate database file. (A fourth database file is obsolete and no longer in use).
Database file |
Content |
Number of records for each symbol |
|---|---|---|
SYMBDEFA.DBF |
Descriptions and other information primarily related to the symbol as such |
1 record per symbol |
SYMBDEF.DBF |
Connection points and also some symbol related information |
1 record per connection point |
SYMBDEFC.DBF |
Functions in mirror symbols (contacts in contact mirrors, I/O's in PLC mirrors, and cable cores in cable mirrors) |
1 record per function |
SYMBDEFB.DBF |
Obsolete, previously used for automatic menu creation |
N/A |
The tables are described in separate sub-topics listed below.