Siemens SIMATIC IM151-1 STANDARD - Diagnostic Interrupt Bytes x+4 to x+7

Interrupt, error, and system messages
4.4 Diagnostics with STEP 7
Interface module IM151-1 STANDARD (6ES7151-1AA06-0AB0)
50 Manual, 07/2015, A5E01075950-AD
Diagnostic interrupt, byte x+4 to x+7
Figure 4-6 Structure of bytes x+4 to x+7 for diagnostic interrupt