Technical data

Appendix
27.1 Operating Modes
Programming with STEP 7
566 Manual, 05/2010, A5E02789666-01
• If errors occur when evaluating the module parameters.
A hot restart is not executed or it is aborted in the following situations:
• The CPU memory was reset (only a warm restart is possible after memory reset).
• The interruption time limit has been exceeded (this is the time between exiting RUN mode until
the startup OB including the remaining cycle has been executed).
• The module configuration has been changed (for example module replaced).
• The parameter assignment only permits a warm restart.
• When blocks have been loaded, deleted, or modified while the CPU was in STOP mode.