Appx.11
Event Detection Methods
RMS voltage refreshed each half-cycle
1
2
3
4
RMS voltage refreshed each half-cycle
5
Frequency (200 ms)
Measurement method (Reciprocal method)
Values of Frequency (200 ms) are calculated from the reciprocal of the accumulated time over
the approximately 200-ms (10/12-cycle for 50 Hz / 60 Hz, respectively) aggregation period on U1
(reference channel). This value is detected when this value exceeds the positive threshold value or
falls below the negative threshold value.
Approx. 200 ms aggregation
Frequency (200 ms) Frequency (200 ms)
Approx. 200 ms aggregation
Event IN and OUT
Event IN Starting time of an approximately 200-ms aggregation period to which the
frequency value belongs when it exceeds the positive threshold value or
falls below the negative threshold value
Event OUT Starting time of the approximately 200-ms aggregation period to which
a frequency value belongs when it falls below the value calculated by
subtracting 0.1 Hz from the positive threshold value or exceeds the value
calculated by adding 0.1 Hz to the negative threshold value
(Equivalent to a frequency hysteresis of 0.1 Hz)
10
9
8
7
6
5
4
3
2
1
Appx. Ind.
To Next Page
Loading...
Need help?
General
