Commissioning and Diagnostics
6-18
Distributed I/O Device ET 200M
EWA-4NEB780600602-06
Structure of the Slave Diagnosis
Byte 0
Byte 1
Station statuses 1 to 3
Byte 2
Byte 3
Byte 4
Byte 5 Low byte
High byte
Manufacturer ID
Byte 6
:
Byte 8
Master PROFIBUS address
. . .
Module diagnosis
Byte 16/24
Channel
specific
diagnosis
(3 bytes
per
error)
.
.
.
Byte 9
Module
status
15
:
18/26
17/25
Up to
max.
byte 95**
max.
29 Byte
Byte x
up to
max. x+19
Interrupts
(station
diagnosis)
Interrupts
(only 1
interrupt
per slave
diagnostic
frame)
IM 153-1AAx3
IM 153-2AA02
IM 153-2AB01
max. length:
29 bytes
(37 bytes with S7-400H)
max. length:
96 Byte*
Byte 16
to
23
H status
(with
S7-400H
and standard
redundancy
only)
Byte x
up to
max. x+7
H status
(only with
S7-400H)
* With IM 153-1: up to max. length of 63 or 64 bytes
IM 153-2Bx00
.
.
.
Byte 9
15
:
Byte 16
17
18
Byte 95*
.
.
.
max.
29 Byte
.
.
.
z
z + 7
.
.
.
.
Enhanced diagnostics
in detail
Figure 6-5 Structure of the slave diagnosis
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