Siemens SIMATIC ET 200SP HA - Time Synchronization and Time Stamping with Redundant CPU

4.9.4 Time synchronization and time stamping with redundant CPU
Example configurations
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Time master A SICLOCK with SIMATIC time-of-day synchronization.
Automation system IO controller in 1oo2 mode (2x CPU 410‑5H)
Plant bus 1 PN/IO subnet on an internal PN/IO interface of the IO controller (e.g. CPU 410-5H: X5 connection)
Configurations
③④⑤
Note:
The configurations are not suitable for time stamping with an accuracy of 1 ms. You can find
additional information on the required configuration changes in section "Plant-wide time synchro‐
nization and time stamping with a precision of 1 ms (Page 52)". For complete information, see the
function manual SIMATIC; ET 200SP HA; Time Stamping with ET 200SP HA.
Plant planning
4.9 Time synchronization and time stamping
ET 200SP HA Distributed I/O system
56 System Manual, 08/2019, A5E39261167-AD