Siemens SIMATIC S7-400 Manual page 96

PROFIBUS DP
5.1 CPU 41x-3 PN/DP as DP master / DP slave
Identifier-related diagnostics
The ID-related diagnostic data tells you for which of the configured address areas of the
transfer memory an entry has been made.
Byte 6
Byte 7
Byte 8 Byte 8 Byte 8
Byte 9
Byte 10
Byte 11
Figure 5-4
5-22
7 0
0 1
Length of the module diagnosis including byte 6 (depends on the
number of configured address areas up to 6 bytes)
Code for module diagnosis
7 6 5 4 3 1
Set 0 actual configuration
Set 0 actual configuration and slave CPU in STOP
Set 0 actual configuration
Entry for 1st configured address area
Entry for 2nd configured address area
Entry for 3rd configured address area
Entry for 4th configured address area
Entry for 5th configured address area
7 6 5 4 7 6 5 4 7 6 5 4 3 3 3
2 1 2 1 2 1 0 0 0
Entry for 6th to 13th configured address area
7 6 5 4 3 2 1 0
Entry for 14th to 21st configured address area
7 6 5 4 3 2 1 0
Entry for 22nd to 29th configured address area
7 6 5 4 3 2 1 0
0 0 0 0 0
Entry for 30th configured address area
Entry for 31st configured address area
Entry for 32nd configured address area
Structure of the ID-related diagnostic data of the CPU 41x
Bit no.
Bit no.
Bit no.
Bit no.
Bit no.
Bit no.
S7-400 Automation System, CPU Specifications
Manual, 10/2006, 6ES7498-8AA04-8BA0