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Device handbook SINEAX DM5000
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7.4 Resetting measurement data
•
Minimum and maximum values
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
A full parameterization of the device can be performed via the menu “Settings”. With the exception of the
“Country and clock” menu, all modifications will not take effect before the user accepts the query “Store
configuration changes” when leaving the settings menu.
•
Country and clock
: display language, date format, time zone, clock synchronization, time/date
•
Display
: Refresh rate, brightness, screen saver
•
Communication
: Settings of the communication interfaces
•
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
•
Limit values
: Selection of up to 12 quantities to monitor,
•
Digital inputs
: Debounce time (minimum pulse width), pulse rate and polarity of the