Averaging method
After the set averaging time, the exponential averaging
method used achieves at least 95% of the measured
value.
Minimum and maximum values
All measured values are measured and calculated every
10/12 periods. Minimum and maximum values are deter-
mined for most of the measured values.
The minimum value is the smallest measured value that
has been determined since the last reset. The maxi-
mum value is the largest measured value that has been
determined since the last clearance. All minimum and
maximum values are compared with the corresponding
measured values and are overwritten if they are undercut
or exceeded.
The minimum and maximum values are stored in an EE-
PROM every 5 minutes, without the date and time. This
means that if the operating voltage fails, only the mini-
mum and maximum values of the last 5 minutes are lost.
Clearing minimum and maximum values (addr. 506)
If "001" is written to the address 506, all minimum
and maximum values are simultaneously cleared.
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