Siemens S7-300 Configuration Manual page 60

Configuring the Ethernet CP with STEP 7
3.3 Setting further CP properties
● Note on syntax:
– The following applies to both areas:
– The following applies to the file name of a file DB:
● Mixing entries
You can also mix the entries for rack/slot assignment of the CPU and DB assignment.
The DB assignment must, however, always come after the rack/slot assignment of the
relevant CPU.
You could therefore enter the example as follows:
cpu1
cpu1db20
cpu1db35
cpu2
cpu2_test.dat
The following entry is, however, not permitted and would be rejected with an error message:
cpu1bd20
cpu1db35
cpu1
Note
Remember the notation:
• Please note the capitalization (lower case for "cpu" and no leading blanks at the
beginning of the row). Otherwise the files will not be recognized.
• The tabulator is not permitted as separator.
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Relevant rows can be recognized by the "cpux" string (where x = characters "1-4").
This applies to both areas.
Valid delimiters for the entries are "blanks".
All other characters are interpreted as comment characters and start a comment up to
the end of the row
Row length: maximum 256 characters
The file name begins with "cpuX" (where X=1, 2, 3, or 4);
"cpuX" must first be defined in the rack/slot assignment of the CPU;
Length: maximum 64 characters (including "cpuX");
Maximum of 100 entries;
Permitted characters: letters "A-Z,a-z"; digits "0-9", "_", "."
0
0
0
4
20
35
4
5
20
35
4
Configuring and commissioning S7 CPs for Industrial Ethernet
Configuration Manual, 09/2013, C79000-G8976-C182-13