The basics of counting, measurement and position detection
2.2 Basics of counting, measuring and position input (TM Count, TM PosInput, Compact CPU)
Counting, measurement and position detection
60 Function Manual, 12/2017, A5E32009889-AG
The value "0.0" is reported in the time up to the first available measured value.
The measuring process begins with the first detected change in position value. The first
measured value can be calculated after the second detected change in position value at the
earliest.
The measured value is updated in the feedback interface (Page 188) upon completion of
each update time.
The figures below shows an example of frequency measurement with an update time of 1 s:
The reciprocal of the frequency is output as the measured value for period measurement.
A value "25 s" is returned until the first measured value is available.
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