Parameter
5.3 Configuration control (option handling)
Interface module IM 155-5 MF HF (6ES7155-5MU00-0CN0)
38 Equipment Manual, 11/2023, A5E53268530-AA
Combination of configuration control and Shared Device
The configuration control function in a Shared Device is therefore only for the modules of the
IO controller that has subscribed to the interface module.
Modules that are assigned to another IO controller or not assigned at all cannot be specified
as real slots (Shared Device on module level). A one-to-one assignment is implicitly assumed
for the modules. When using the active backplane bus, a configured empty slot behaves in
the same way as a module that is not assigned to an IO controller.
If a module intended for configuration control is subscribed by additional controllers (Shared
Device on submodule level), only a one-to-one assignment is permitted for this module. Such
a module cannot be deselected by the control data record (0x7F code for this slot in the
control data record). This means the combination of "Configuration control" and "Shared
Device on submodule level" is possible to a limited extent.
Error messages
The following error messages are returned if an error occurs during writing of the control
data record:
Table 5- 5 Error messages
Configuration control not configured
H
Data record does not originate from the IO controller which sub-
scribed to the interface module
A parameter error may be caused by:
• Incorrect block ID in the header (not equal to 196)
• Invalid version identification in the header
• A reserve bit was set
• A configured slot was assigned to an invalid real slot (see section Combination of
configuration control and Shared Device)
• Several configured slots refer to the same real slot
• With Shared Device on submodule level: Violation of defined restrictions (see section
Combination of configuration control and Shared Device)
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