Technical data

Defining Symbols
8.6 Entering Shared Symbols
Programming with STEP 7
Manual, 05/2010, A5E02789666-01 213
System Data Format (SDF)
File Type *.SDF
Structure: Strings in quotation marks, parts separated by commas
Example: "green_phase_ped.", "T 2", TIMER","Duration of green phase for pedestrians"
"red_ped.", "Q 0.0", "BOOL","Red for pedestrians"
To open an SDF file in Microsoft Access you should select the file format 'Text (with delimiter)'. Use
the double quotation mark (") as the text delimiter and the comma (,) as the field delimiter.
Assignment List (SEQ)
File Type *.SEQ
Structure: TAB Address TAB Symbol TAB Comment CR
Example: T 2 green_phase_ped. Duration of green phase for pedestrians
Q 0.0 red_ped. Red for pedestrians
TAB stands for the tabulator key (09H),
CR stands for carriage return with the RETURN key (0DH).