Functions
5.2 Intelligent IO devices (I-devices)
PROFINET with STEP 7
Function Manual, 05/2021, A5E03444486-AL
129
The next figure shows the data exchange between the higher- and lower-level IO system. The
individual communication relations are explained below based on the numbers.
Figure 5-11 Data exchange between higher- and lower-level IO system
①
Data exchange between higher-level IO controller and normal IO-device
In this way, the IO controller and IO devices exchange data through PROFINET.
Summary of Contents for SIMATIC ET 200AL
Page 2: ......
Page 143: ......
Page 218: ......
Page 250: ......
Page 296: ......
Page 337: ......
Page 365: ......
Page 392: ......
Page 419: ......
Page 451: ......
Page 483: ......
Page 597: ......
Page 648: ......
Page 702: ......
Page 739: ......
Page 781: ......
Page 804: ......
Page 828: ......
Page 853: ......
Page 880: ......
Page 906: ......
Page 996: ...Diagnostics ...
Page 1121: ......
Page 1565: ......