Siemens SIMATIC ET 200pro Operating Instructions Manual page 78

5. Insert the connection module onto the CPU again and fasten the connection module with
screws.
6. Perform a memory reset (for additional information, see section "CPU memory reset
(Page 84)").
Figure 8-3
Only remove the SIMATIC memory card in POWER OFF mode of the CPU. Ensure that no
writing functions (online functions with the programming device, e.g. loading/deleting a block,
test functions) were active before POWER OFF.
Removing and inserting a SIMATIC memory card
If you replace the SIMATIC memory card, the CPU detects:
● A physically identical SIMATIC memory card with modified content
● A new SIMATIC memory card with the same content as the original SIMATIC memory
card
After POWER ON, the CPU automatically performs a memory reset.
Reference
You can find additional information on the SIMATIC memory card in the function manual
Structure and use of the CPU memory
(https://support.industry.siemens.com/cs/de/en/view/59193101) and in the Appendix
Accessories/spare parts (Page 136).
CPU 1516pro-2 PN (6ES7516-2PN00-0AB0)
Operating Instructions, 11/2019, A5E35873416-AC
Inserting/replacing the SIMATIC memory card
8.3 Inserting/replacing SIMATIC memory card
Commissioning
77