Siemens Simatic S7-300 CPU 31xC Series - Page 76

Configuring
4.11 Planning subnets
S7-300, CPU 31xC and CPU 31x: Installation
4-52 Operating Instructions, Edition 08/2004, A5E00105492-05
Extent of PROFINET IO and PROFINET CBA
PROFINET IO and CBA are two different views of programmable controllers on Industrial
Ethernet.
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Figure 4-6 Extent of PROFINET IO and Component based Automation
Component based Automation divides the entire plant into various functions. These functions
are configured and programmed.
PROFINET IO provides you with a picture of the plant that is very similar to the view
obtained in PROFIBUS. You continue to configure and program the individual programmable
controllers.
Controllers in PROFINET IO and PROFINET CBA
You can also use some PROFINET IO controllers for PROFINET CBA.
The following list illustrates which PROFINET devices can adopt the function of a
PROFINET CBA or IO controller:
• Programmable controllers such as the S7-300 CPU 317-2 PN/DP
• CP 343-1 or CP 443-1 Advanced