Format Of The Slave Diagnostic Data - Siemens SIMATIC S7-300 Series Reference Manual

CPU 31x-2 as DP Master/DP Slave and Direct Communication
2.6.4

Format of the Slave Diagnostic Data

Structure of Slave Diagnostics
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
to
Byte x
Byte x+1
to
Byte y
1
Exception: If the DP master is incorrectly configured, the DP slave
interprets 35 configured address areas (46
Figure 2-6 Format of the Slave Diagnostic Data
2-24
Station Status 1 to 3
Master PROFIBUS Address
High byte
Low byte
Module Diagnostics
.
(the length depends on the
.
number of address areas
.
configured for transfer
Station Diagnostics
.
(the length depends on the
.
number of address areas
.
configured for transfer memory)
H
PLC S7-300, CPU Specifications CPU 312 IFM to CPU 318-2 DP
Manufacturer
Identification
memory 1
)
).
A5E00111190-01