Configuring and commissioning S7 CPs for Industrial Ethernet
Configuration Manual, 09/2013, C79000-G8976-C182-13
121
Intelligent PROFINET IO device with S7-300 CP
"Intelligent" PROFINET IO device
The CP can be configured so that the SIMATIC 300 station can be addressed as a
PROFINET IO device. Due to the programmability of the SIMATIC 300 station, we speak of
an "intelligent" PROFINET IO device (I-Device).
Process data can be further processed before it is forwarded to the PROFINET IO controller
or after it has been accepted from the controller and output to the process IO.
In the following, the name "I-device" is also used for the CP located in the S7 station that is
configured as an I-device.
Configuration in STEP 7 V5.5 and STEP 7 Professional
The configuration of CPs as an intelligent PROFINET IO device differs in STEP 7 V5.5 and
STEP 7 Professional.
● STEP 7 V5.5
In STEP 7 V5.5, two objects need to be configured for the CP as an I-device:
– On the one hand, you configure the CP as a component of an S7 station with its
properties in HW Config;
– On the other hand, you add the CP to a PROFINET IO system as a PROFINET IO
device.
This two-part configuration requires a link between the two objects that you create for the
CP in HW Config.
● STEP 7 Professional
The CP is networked with the PROFINET IO system. It is adequate to simply set the
properties of the CP to the IO device mode.
You will find details in the description below.
Further information on PROFINET IO
When setting up a PROFINET IO system, read the comprehensive system documentation:
● PROFINET system description /20/ (Page 233)
● From PROFIBUS DP to PROFINET IO /21/ (Page 234)
This manual contains more information on the structure and function of the supported
data records.
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