Profinet Io And Profinet Cba - Siemens SIMATIC S7-400 Manual

PROFINET

6.2 PROFINET IO and PROFINET CBA

6.2 PROFINET IO and PROFINET CBA
PROFINET variations
There are two varieties of PROFINET
● PROFINET IO: IO devices are connected to an S7-400 CPU (IO controller) via Ethernet.
● PROFINET CBA: A component-based automation solution in which full technological
PROFINET IO and PROFINET CBA
PROFINET IO and PROFINET CBA are two different views of automation devices on
Industrial Ethernet.
Figure 6-1
6-2
modules are used as standardized components into large plants. You create the CBA
components in SIMATIC with STEP 7 and the SIMATIC iMap add-on package. You
connect the individual components with SIMATIC iMap.
When you download CBA interconnections to an S7-400 CPU, they are stored in the
working memory. The interconnections are lost if there is a defective hardware, a memory
reset or firmware update.
If you use Profinet CBA, you cannot use isochronous mode or perform configuration
changes in runtime (CiR).
PROFINET IO and PROFINET CBA
S7-400 Automation System, CPU Specifications
Manual, 10/2006, 6ES7498-8AA04-8BA0