Siemens CPU 31 Series Technical Data Manual page 50

Communication
3.2 Communication services
Extent of PROFINET CBA and PROFINET IO
PROFINET IO and CBA represent two different views of automation devices on Industrial
Ethernet.
Figure 3-1
Component Based Automation divides the entire system into various functions. These
functions are configured and programmed.
PROFINET IO provides you with a view of the system that is very similar to the view
obtained in PROFIBUS. You continue to configure and program the individual automation
devices.
Reference
Further Information
• on PROFINET IO and PROFINET CBA is available in the
• For further information about PROFINET CBA, refer to the documentation on
3-18
Extent of PROFINET IO and Component-Based Automation
specification.
For differences and similarities between PROFIBUS DP and PROFINET IO, refer to the
From PROFIBUS DP to PROFINET IO
SIMATIC iMAP and Component Based Automation.
PROFINET system
programming manual.
CPU 31xC and CPU 31x, Technical Data
Manual, 01/2006 Edition, A5E00105475-06