Memory concept
4.2 Memory functions
CPU 31xC and CPU 31x, Technical data
4-14 Manual, Edition 08/2004, A5E00105475-05
Restart (warm start)
• All retentive DBs retain their actual value (non-retentive DBs are also supported by CPUs
with Firmware >= V2.1.0. Non-retentive DBs receive their initial values).
• The values of all retentive M, C, T are retained.
• All non-retentive user data are initialized:
– M, C, T, I, O with "0"
• All run levels are initialized.
• The process images are deleted.
Reference
Also refer to
CPU memory reset by means mode selector switch
in the section
Commissioning
in the
CPU 31xC and CPU 31x Operating Instructions
.
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