Commissioning and Diagnostics
6-55
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
6.6.10 Diagnostics in the Case of Invalid ET 200S Configuration States
Invalid Configuration States
The following invalid configuration states of the ET 200S lead to station failure of
the ET 200S or prevent entry into data interchange. These responses occur
irrespective of whether the IM parameters “Operation at Preset <> Actual
Configuration”, ”Replacement of Modules during Operation”, and “Startup when
Expected <> Actual Configuration” have been enabled.
Two missing modules
Terminating module missing
Number of modules exceeds the maximum configuration
Module missing in slot 1 (in the case of the IM151-1 STANDARD,
6ES7 151-1AA00-0AB0)
Faulty backplane bus (for example, terminal module is defective)
Note
As of IM151-1 BASIC/IM151-1 STANDARD (6ES7 151-1AA01-0AB0), IM151-1
FO STANDARD, and IM151-1 HIGH FEATURE: If one module is missing (gap)
and the ET 200S is switched on, the station will not start up (see diagnosis below).
Diagnostics
The following diagnosis indicates all the invalid configuration states:
Interface module Module Diagnosis Module Status
IM151-1 STANDARD
IM151-1 FO STANDARD
IM151-1 HIGH FEATURE
All 63 bits set 01
B
: “Module error; invalid user data” for all
63 modules
IM151-1 BASIC All 12 bits set 01
B
: “Module error; invalid user data” for
all modules (slots) until the cause of the
error is found
11
B
: “No module; invalid user data” once
the cause of the error is found
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