Bytes 0 And 1 Of The Diagnostic Data; Identifiers Of The Module Classes - Siemens SIMATIC ET 200S Manual

7.7.2 Structure and content of the diagnostic data bytes 0 to 7
The structure and content of the individual bytes of the diagnostic data are
described below. The following generally applies: If an error occurs, the
corresponding bit is set to "1".
Bytes 0 and 1
Figure 7-10
Module classes
The table below contains the identifiers for the module classes (bits 0 to 3 in
byte 1).
Table 7-13 Identifiers of the module classes
Identifier
0101
0110
1000
1001
1100
1101
Bytes 2 and 3
These bytes are not used.
ET 200S IM 151-7 CPU Interface Module
A5E00058783-04
7 6 5 4 3 2 1
Byte 0
0 0 0 0
Channel fault exists
7 6 5 4 3 2 1
Byte 1
0 0 0 1
Channel information available

Bytes 0 and 1 of the diagnostic data

Analog module
CPU
Function module
Digital module (I/O with limited address area)
CP
PS
Commissioning and Diagnostics
0
0
Module fault
External fault
0
Module class (see Table 7-13)
Module class
7-27