Functions of the IM 151/CPU
5-21
ET 200S Interface Module IM 151/CPU
A5E00058783-01
Modules that Cannot be Parameterized
The following activities occur irrespective of whether the power module of the
inserted module is switched on or off.
Table 5-14 Result of the Preset/Actual Comparison in Modules that Cannot be
Parameterized
Inserted Module = Configured Module Inserted ModuleConfigured Module
OB 83 is called with the corresponding
diagnostic buffer entry (event ID 3861
H
).
OB 83 is called with the corresponding
diagnostic buffer entry (event ID 3863
H
).
The module is entered in the system status
list as available.
The module remains entered in the system
status list as unavailable.
Direct access is again possible. Direct access is not possible.
Modules that Can be Parameterized
The following activities only occur when the power module of the inserted module
is switched on.
Table 5-15 Result of the Preset/Actual Comparison in the Case of Parameterizable
Modules with the Power Module Switched on
Inserted Module = Configured Module Inserted ModuleConfigured Module
OB 83 is called with the corresponding
diagnostic buffer entry (event ID 3861
H
).
OB 83 is called with the corresponding
diagnostic buffer entry (event ID 3863
H
).
The CPU reparameterizes the module. The CPU does not reparameterize the
module.
If parameter assignment is successful, the
module is entered in the system status list
as available.
The module remains entered in the system
status list as unavailable.
The SF LED on the module remains on.
Direct access is again possible. Direct access is not possible.
The following activities only occur if the power module of the inserted module is
switched off.
Table 5-16 Result of the Preset/Actual Comparison in the Case of Parameterizable
Modules with the Power Module Switched off
Inserted Module = Configured Module
Inserted ModuleConfigured Module
OB 83 is called with the corresponding diagnostic buffer entry (event ID 3861
H
).
When the power module is switched on, the
CPU reparameterizes the module.
When the power module is switched on, the
CPU does not parameterize the module.
If parameter assignment is successful, the
module is entered in the system status list
as available.
The module remains entered in the system
status list as unavailable.
The SF LED on the module remains on.
Direct access is again possible. Direct access is not possible.