Siemens Simatic S7-1500R System Manual page 280

Procedure using STEP 7
Proceed as follows to reset a CPU to factory settings with STEP 7:
Make sure that there is an online connection to the CPU.
1. Open the Online and Diagnostics view of the CPU.
2. In the "Functions" folder, select the "Reset to factory settings" group.
3. If you want to keep the IP address, select the "Keep IP address" option button. If you
want to delete the IP address, select the "Delete IP address" option button.
Note
"Delete IP address" deletes all IP addresses, regardless of how you established the
online connection.
If a SIMATIC memory card is inserted, selecting the "Delete IP address" option has the
following effect:
• The IP addresses are deleted and the CPU is reset to factory settings.
• The configuration (including IP address) stored on the SIMATIC memory card is then
If the following conditions are met, no IP address is transferred to the CPU:
• The SIMATIC memory card was formatted before the reset to factory settings.
• The SIMATIC memory card is empty.
4. Click the "Reset" button.
5. Click "OK" in response to the confirmation prompts.
Result: The CPU executes a "Reset to factory settings", during which time the RUN/STOP
LED flashes yellow. When the RUN/STOP LED lights up in yellow, the CPU has been reset
to factory settings and is in STOP. The "Reset to factory settings" event is entered in the
diagnostics buffer.
S7-1500R/H redundant system
System Manual, 10/2018, A5E41814787-AA
transferred to the CPU.
11.5 Resetting CPUs to factory settings
Maintenance
279