Preface
High-precision input/output with Time-based IO
4 Function Manual, 08/2014, A5E33454822-AB
Conventions
The following terms are used as synonyms in this documentation:
● TIA Portal: This term is used as synonym for the "STEP 7" configuration and
pr
ogramming software (TIA Portal)".
● TIO module: This term is used as synonym for I/O modules of the type:
– IO-Link Master CM 4xIO-Li
nk
– ET 200MP TM Timer DIDQ 16x24V
– ET 200SP TM Timer DIDQ 10x24V
●
TIO_Time: This term is used as synonym for the shared time basis (relative time) of the
TI
O modules.
● Jitter: This is a general term that includes various time influences affecting accuracy. This
means that:
– for input dat
a: Deviation of the measured time from the actual event.
– for output data: Deviation of the actual switching time from the specified time.
This documentation contains pictures of the devices described. The pictures may differ
slightly from the devices supplied.
You should also pay particular attention to notes such as the one shown below:
Note
The notes contain important information on the product, handling the product or on part of
the documentation to which particular attention should be paid.
Additional support
You will find information about the technical support available in the appendix.
The range of technical documentation for the individual SIMATIC products and systems can
be found on the Internet (http://www.siemens.com/simatic-tech-doku-portal).
The online catalog and the ordering system are available on the Internet
(http://mall.automation.siemens.com).
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