Structure Of The Slave Diagnostics - Siemens Simatic ET 200S Operating Instructions Manual

8.1.4.2

Structure of the slave diagnostics

Structure of the slave diagnostics
The figure below shows the structure of the slave diagnostics.
IM151-1 BASIC
byte 0
byte 1
byte 2
byte 3
byte 4
byte 5
byte 6
*
:
byte 8
byte 9
*
:
byte 15
byte 16 *
byte 17
byte 18
:
byte 42
* These diagnostics can be disabled or enabled using parameters. If you disable the diagnostics,
they are removed from the diagnostic frame.
** Only for IM151-1 STANDARD (6ES7 151-1AA04-0AB0 or higher) and IM151-1 HIGH FEATURE in DPV1 mode.
*** Only for IM151-1 HIGH FEATURE downstream from a Y-Link in DPV1 mode.
Figure 8-3 Structure of the slave diagnostics
ET 200S
Operating Instructions, 12/2005, A5E00515771-03
byte 0
byte 1
byte 2
byte 3
byte 4
byte 5
byte 6
*
:
byte 8
byte 9
*
:
byte 16
byte 17 *
byte 18
byte 19
:
byte 43
8.1 Alarm, error and system messages on PROFIBUS DP
IM151-1 STANDARD
IM151-1 FO STANDARD
IM151-1 HIGH FEATURE
byte 0
byte 1
byte 2
byte 3
byte 4
byte 5
byte 6 *
:
byte 14
byte 15 *
:
byte 34
byte 35 *
byte 36
byte 37
:
byte 61
byte 62 *
***
:
byte 69
* **
:
max.
48 bytes
up to max.
byte 109/127
Alarm, error and system messages
Station statuses 1 to 3
Master PROFIBUS address
High byte
Manufacturer ID
Low byte
ID-specific
Diagnosis
Module status
Channel-specific diagnostics (3
bytes per channel)
(15 for IM151-1 HIGH FEATURE
in DPV1 mode)
Channel-specific diagnostics is
variable from 0 to 27 bytes.
This depends on the number of
channel-specific diagnostics.
H status
Interrupts
(only 1 interrupt per slave diagnostic
message frame possible)
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