Siemens SIMATIC ET 200AL System Manual page 295

Cycle times
The following figure shows the cycle times at ET-Connection based on the number of I/O
modules.
Figure B-1
The cycle time is independent of the PROFIBUS transmission rate.
IM 157-1 DP (6ES7157-1AA00-0AB0)
Equipment Manual, 08/2021, A5E32100641-AE
Cycle times
B
45