Channel-Related Diagnostics With Profibus - Siemens SIMATIC ET 200iSP Operating Instructions Manual

Byte
Byte 22
Byte 23
Byte 24
Legend for the entry of the module status on slot x:
•
•
•
•
Table 7-35
Byte
Byte 24
7.13.11

Channel-related diagnostics with PROFIBUS

Definition
Channel-related diagnostics provides information on channel faults of modules and provides
more detail than ID-related diagnostics.
For each channel-related diagnostics, 3 bytes are inserted according to the IEC 61784‑1:2002
Ed1 CP 3/1 standard.
The channel-related diagnostic information follows the module status.
Channel-related diagnostics does not affect the module status.
Important: The group diagnostics must be switched on for each module!
ET 200iSP
Operating Instructions, 11/2022, A5E00247483-AK
7 6 5 4 3
28 27 26
32 31 30
35 34
00 : Module OK; valid data
B
01 : Module error; invalid data
B
10 : incorrect module; invalid data
B
11 : no module (or failure of the module); invalid data
B
Example: Slot 35
7 6 5 4 3
1 0
7.13 Diagnostics with STEP 7 with PROFIBUS
2 1 0 Description
25 Slot 25 to 28
29 Slot 29 to 32
33 Slot 33 to 35
2 1 0 Description
10 : incorrect module; invalid data
B
Commissioning and Diagnostics
207