Siemens SIMATIC ET 200AL System Manual page 182

5.3.5 Manufacturer ID
The manufacturer ID contains a code specifying the type of the DP slave.
The following table shows the structure of the manufacturer ID (bytes 4, 5).
Table 5- 8
Byte 4
81
H
5.3.6 Identifier-related diagnostics
The identifier-related diagnostics indicates whether modules of the ET 200AL distributed I/O
system have errors or not. Identifier-related diagnostics starts at byte 6 and comprises
6 bytes.
The figure below shows how the identifier-related diagnostics for the ET 200AL distributed
I/O system is structured with the IM 157-1 DP interface module.
Figure 5-12
Interface module IM 157-1 DP (6ES7157-1AA00-0AB0)
Manual, 12/2016, A5E32100641-AD
Interrupts, error messages, diagnostics and system alarms
Description of the manufacturer ID
Byte 5 Manufacturer ID
A9 IM 157-1 DP interface module
H
Structure of the identifier-related diagnostics
5.3 Alarms
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