Interrupts, error messages, diagnostics and system alarms
5.2 Interrupts
Interface module IM 157-1 DP (6ES7157-1AA00-0AB0)
28 Manual, 12/2016, A5E32100641-AD
The figure below shows the structure of data record 1.
Figure 5-3 Structure of data record 1
You have the option to read out data records 0 and 1 via SFC 59 (RD_REC) or SFB 52
(RDREC). The data length of data record 1 is up to 240 bytes. In this case, data record 1
contains up to 38 channel fault entries.
Note the figures below in this section.