Siemens Sinumerik 840D sl Function Manual page 187

05.07

Spacer character
The spacer character is inserted as an ASCII character in decimal code
(0 ...255) with the factor spacer size (example: 090 for Z).
Extract from machine configuration file:
SpacerChar=90
Note
In this case, the spacer is ZZZZZZZZZZZZZZZ
Up to six strings can be configured for the search to determine where the
spacer is to be inserted. Three strings are used for searching for a spacer start-
of-program identifier (SpacerMark1..3), and three for a spacer end-of-program
identifier (SpacerMarkInsertAfter1..3).
Note
A search should be carried out for spacer start-of-program identifiers only or
spacer end-of-program identifiers only, otherwise two spacers may be inserted
between the NC programs.

Spacer start-of-program identifier
The spacer is inserted before the line containing the start-of-program identifier.
The start-of-program identifiers may have maximum 16 characters.
Extract from machine configuration file:
SpacerMark1 =%MPF
SpacerMark2 =%SPF
SpacerMark3 =

Spacer end-of-program identifier
The spacer is inserted after the line containing the end-of-program identifier.
The end-of-program identifiers may have maximum 16 characters.
Extract from machine configuration file:
SpacerMarkInsertAfter1 =M30
SpacerMarkInsertAfter2 =M17
SpacerMarkInsertAfter3 =
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Motion Control Information System DNC (FBDN) - 04/10 Edition
DNC Plant/DNC Cell (FBDN1)
10 Configuration
FBDN1/10-179