Parameter / Function "Module Addresses - Siemens S7-300 Configuration Manual

I&M data can be called using information functions, for example using the Web diagnostics
of the device.
Devices that can be used as PROFINET IO devices can also be assigned the identifications
by the PROFINET IO controller. This uses the "write data record" function (program block
PNIO_RW_REC). This is done using the maintenance data record "IM1" with index AFF1
the plant designation and location designation are configured using STEP 7, it is not possible
to override them using data record I&M1 with index AFF1
The "Write data record" function is described in /10/ (Page 230) with the program blocks for
PROFINET IO.
Plant designation
Plant designation of the module. Here, enter an identifier for the module that is unique in
your plant.
Length: max. 32 characters
Location identifier
Location identifier of the module. Enter an identifier that indicates the location of the module
in your plant.
Length: max. 22 characters
3.3.3

Parameter / function "Module addresses"

Meaning
The I/O addresses parameter group shows the address at which the module can be
addressed by the user program. You can also set this address here. You require this
address when calling all SIMATIC NET program blocks.
Note
Remember the following note regarding S7-300 stations:
If you select the "Update OB1 process image cyclically" option in the CPU configuration, you
will have to set the module start address outside the process image (start addresses in the
"Addresses" tab.
Example: If the process image selected for the CPU has a size of 1024 (0... 1023), an
address >= 1024 must be selected for the Ethernet CP.
Configuring and commissioning S7 CPs for Industrial Ethernet
Configuration Manual, 09/2013, C79000-G8976-C182-13
Configuring the Ethernet CP with STEP 7
3.3 Setting further CP properties
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