Siemens IM 151-7 - Page 88

Commissioning and Diagnostics
7-6
ET 200S IM 151-7 CPU Interface Module
A5E00058783-04
Note
If the CPU cannot copy the contents of the memory module (MMC) and requests a
memory reset:
 Remove the MMC.
 Reset the CPU memory.
 Read out the diagnostic buffer.
You can read out the diagnostic buffer with the PD (see the STEP 7 Online Help).