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Device handbook SINEAX AMx000
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7.4 Resetting measurement data
•
Minimum and maximum may be reset during operation. The reset may be performed in groups using
the service menu.
Group
Values to be reset
1
Min/max values of voltages, currents and frequency
2
Min/max values of Power quantities (P,Q,Q(H1),D,S); min. load factors
3
Min/max values of power mean-values, bimetal slave pointers and free selectable mean-values
4
Maximum values of harmonic analysis: THD U/I, TDD I, individual harmonics U/I
5
All imbalance maximum values of voltage and current
•
Meter contents may be individually set or reset during operation using the service menu
•
Recorded logger data can be individually reset via the service menu. This makes sense whenever the
configuration of the quantities to record has been changed.
7.5 Configuration
7.5.1 Configuration at the device
With the exception of the security system a full parameterization of the device can be performed via the
menu “Settings”.
Modifications will not take effect before the user accepts the query “Store configuration changes” when
leaving the settings menu. Changings in the “Country and clock” menu have immediate effect (e.g. a
different operating language is used), but nevertheless must be stored.
•
Country and clock
: display language, date format, time zone, clock synchronization, time/date
•
Display
: Refresh rate, brightness, screen saver
•
Communication
: Settings of the
interface and the Modbus communication. In addition, a
may be defined, to push user definable data files to.
•
Measurement
: System type, sense of rotation, nominal values of U / I / f, sampling, reference arrow
system etc.
Hints
U / I transformer: The primary to secondary ratio is used only for converting the measured secondary to
primary values, so e.g. 100 / 5 is equivalent to 20 / 1. The values do not have any influence on the display
format of the measurements.
Nominal voltage / current: Used only as reference values, e.g. for scaling the harmonic content
of the
currents
Maximum primary values U/I: These values are used for fixing the display format of the measurements. This
way you can optimize the resolution of the displayed values, because there is no dependency to installed
transformers.
Synchronous sampling: yes=sampling is adjusted to the measured system frequency to have a constant
number of samplings per cycle; no=constant sampling based on the selected system frequency
Reference channel: The measurement of the system frequency is done via the selected voltage or current
input
•
Mean-values | standard quantities
: Interval time and synchronization source for the predefined
power mean values
•
Mean-values | user defined quantities
: Selection of up to 12 quantities for determining their mean-
values and selection of their common interval and synchronization source
•
Bimetal current
: Selection of the response time for determining
•
Meters | Standard meters
•
Meters | User defined meters
: Base quantities (Px,Qx,Q(H1)x,Sx,Ix), Tariff switching ON/OFF,
•
Meters | Meter logger
: Selection of the reading interval