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The basics of counting, measurement and position detection
2.2 Basics of counting, measuring and position input (TM Count, TM PosInput, Compact CPU)
The figure below shows an example of the comparison event when counting in a downward
direction:
To repeat the comparison event, the counter value must change and then correspond to the
respective comparison value again.
If the pulse duration has been defined as "0" and the counter value is equal to the
comparison value, the digital output is set to 1 until the next count pulse:
Note
This comparison event switches the relevant digital output if a count pulse reaches the
comparison value. The digital output does not switch when the counter value is set, by
synchronization for example.
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Counting, measurement and position detection
Function Manual, 12/2017, A5E32009889-AG
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