Maintenance
9.2 Resetting the CPU to factory settings
CPU 1516pro-2 PN (6ES7516-2PN00-0AB0)
104 Operating Instructions, 09/2016, A5E35873416-AA
Result after resetting to factory settings
The following table provides an overview of the contents of the memory objects after the
reset to factory settings.
Table 9- 2 Result after resetting to factory settings
Actual values of the data blocks, instance data blocks
Bit memories, timers and counters Initialized
Retentive tags of technology objects
(e.g. adjustment values of absolute encoders)
Initialized
Diagnostics buffer entries (retentive area) Initialized
Diagnostics buffer entries (non-retentive area)
IP address Depends on the procedure:
• Using mode switch: is deleted
• Using STEP 7: Depending on the setting of the "Keep IP
address"/"Delete IP address" option buttons
Counter readings of the runtime meters
If a SIMATIC memory card was inserted prior to the reset to factory settings, the CPU
downloads the configuration contained on the SIMATIC memory card (hardware and
software). A configured IP address is then valid again.
Additional information on "Reset to factory settings" can be found in the Structure and Use of
the CPU Memory (http://support.automation.siemens.com/WW/view/en/59193101
) Function
Manual in the section on memory areas and retentivity, and in the STEP 7 online help. For
information on the memory reset of the CPU, refer to the section
CPU memory reset
(Page 81).
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