Siemens SINUMERIK Series Function Manual page 176

Diagnostics
7.5 Safety Integrated checksums
● Master checksums
The reference values and actual values of functions and hardware are compared here.
● Slave checksums
The reference values and actual values of functions and hardware are compared here.
In the column "Reference = Act", based on the status symbol you can identify as to whether
for the particular information, the actual checksum matches the reference checksum.
● green = checksums match
● red = checksums are different.
Note
Changing the view
In this diagnostics view, you can display the signal information of various terminal modules.
You can select the required TM54F using the "TM54F-", "TM54F+" or "Select TM54F" softkeys.
See Display TM54F diagnostic information (Page 161).
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Function Manual, 10/2015, 6FC5397-3EP40-5BA3
Safety Integrated