Siemens SIRIUS M200D - Page 164

Diagnostics
7.4 Diagnostics with STEP 7 on PROFIBUS DP
M200D PROFIBUS/PROFINET
164 Manual, 08/2014, A5E01577426A/RS-AA/004
Diagnostics interrupt from the modules, bytes x+12 to x+15
Figure 7-11 Structure of byte x + 12 to byte x + 15 for diagnostics frame