Manual
ibaMS4xAI-380VAC
14
Issue 1.5
Figure 3: Filter sections principle
7.3.2
Grid frequency measurement
Each channel provides grid frequency measurement.
Note
In addition to the actual measured values, the grid frequency signals are available as
virtual signals in the signal tree and can be displayed, recorded and used for calculations
like all other signals. For configuration refer to chapter 9.1.3 „Grid fre-
Properties
Frequency
Frequencies between 10 Hz and 80 Hz are supported.
Measuring interval
Measuring interval Standard conformity
Accuracy
1 s
-
± 5 mHz
10 s
according to
DIN EN 61000-4-30
± 0.5 mHz
