Technical data

Defining Symbols
8.6 Entering Shared Symbols
Programming with STEP 7
Manual, 05/2010, A5E02789666-01 211
8.6.6 File Formats for Importing/Exporting a Symbol Table
The following file formats can be imported into or exported out from the symbol table:
• ASCII file format (ASC)
• Data Interchange Format (DIF)
You can open, edit, and save DIF files in Microsoft Excel.
• System Data Format (SDF)
You can open, edit, and save SDF files in Microsoft Access.
- To import and export data to and from the Microsoft Access application, use the SDF file
format.
- In Access, select the file format "Text (with delimiters)".
- Use the double inverted comma (") as the text delimiter.
- Use the comma (,) as the cell delimiter.
• Assignment list (SEQ)
Caution: When exporting the symbol table to a file of the type .SEQ comments that are longer
than 40 characters are truncated after the 40th character.
ASCII File Format (ASC)
File Type *.ASC
Structure: Record length, delimiter comma, record
Example: 126, green_phase_ped. T 2 TIMER Duration of green phase for pedestrians
126, red_ped. Q 0.0 BOOL Red for pedestrians