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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
A5E00105492-03
11-25
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Module diagnostics indicate the configured address area of intermediate memory
that has received an entry.
Byte 6
7 6 5 4 3 2 1 0 Bit No.
Length of the module diagnostics incl. byte 6
(dependent on the number of configured
address areas up to 6 byte)
Byte 7
Entry for 2nd configured address area
Entry for 3rd configured address area
Entry for 4th configured address area
Entry for 5th configured address area
Byte 8
Entry for 6th to 13th configured address area
0 1
Entry for 30th configured address area
Entry for 31st configured address area
Preset ≠ actual configuration
Code for module diagnostics
Entry for 1st configured address area
Entry for 14th to 21st configured address area
Byte 9
Byte 10
Entry for 22nd to 29th configured address area
Byte 11
Entry for 32nd configured address area
0 0 0 0 0
Preset ≠ actual configuration or Slave CPU in STOP
Preset ≠ actual configuration
7 6 5 4 3 2 1 0 Bit No.
7 6 5 4 3 2 1 0 Bit No.
7 6 5 4 3 2 1 0 Bit No.
7 6 5 4 3 2 1 0 Bit No.
7 6 5 4 3 2 1 0 Bit No.
Figure 11-7 Structure of the ID-specific diagnostics for CPU 31x-2
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