In S7 plugin error codes are defined in hex code so a little help from the Siemens manual is needed when debugging those error codes.
First thing that is good to know is that Error code is defined in second pair for hex characters (like marked on a picture below).
When we know our error code values, we can go to search them into the Siemens manual. Page 2-2 (#82) contains error codes that are helpful for us in this case.
And when we finally find the code from the hex code of error:
We found out that our DB id number is defined wrong in our case too high.
If this error appears please configure the PLC accordingly:
- You need to disable the "Optimized block access" for DB
- Enable the "Enable PUT/GET Access"