
Commissioning and Diagnostics
7-15
ET 200S IM 151-7 CPU Interface Module
A5E00058783-04
7.6 Slave diagnostics with IM 151-7 CPU used as an
intelligent slave
Structure of the diagnostic frame
Byte 0
Byte 1 Station status 1 to 3
Byte 2
Byte 3 Master PROFIBUS address
Byte 4
Byte 5 Low byte
High byte
Manufacturer ID
Byte 6
to
Module diagnostics
Byte x-1
Interrupt status (station diagnosis)
.
.
.
.
.
.
Byte x
to
Byte y-1
(the length depends on the
number of address areas
configured for the intermediate
memory
1
)
(the length depends on the type
of interrupt)
1
Exception: If the DP master is incorrectly configured, the DP slave interprets
35 configured address areas (46
H
in byte 6).
.
.
.
Byte y
to
Byte z
(the length depends on the
number of configured address
areas)
Module status (station diagnosis)
Figure 7-3 Format of the slave diagnostic data
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