Rockwell Automation 9323-PA2E APS SLC 500 Import/Export Utility User Manual - Manual (Page 72)

Creating an ASCII Archive File
5-37
Ladder File Protection
To protect a ladder file, place the keyword entry at the end of the ladder file. Also,
you cannot set file protection in a program that has edit zones from an online editing
session. (The APS default for file protection is no program files protected.) Use the
following format:
PROTECT_LAD 3
Keyword File Number
The example above causes program file 3 to be protected.
Force File Protection
Force files can be protected against changes by using the PROTECT_FORCE
keyword, as shown here:
PROTECT_FORCE
Keyword
Note This keyword globally protects all force files.