Siemens SIMATIC ET 200AL System Manual page 2188

Programming
4.2 Programming of Time-based IO
8. Interconnect the Time-based IO functionality with your application, such as evaluating the
read-in time stamp in a step sequencer in another OB.
9. If TIO_SYNC does not automatically read out the send clock: Define the send clock
manually, e.g. in OB100.
10. Compile and download the entire project to the CPU.
Result
You have completed programming the use of Time-based IO.
FAQ
For more information, see the following FAQs in the Siemens Industry Online Support:
● Entry ID 109738186 (https://support.industry.siemens.com/cs/ww/en/view/109738186)
● Entry ID 109736374 (https://support.industry.siemens.com/cs/ww/en/view/109736374)
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High-precision input/output with Time-based IO
Function Manual, 11/2019, A5E33454822-AC