Parameter for saving weight
The reference weight is saved when
the platform has stabilized. “Stability”
is defined as the point at which fluctua-
tion of a measured value lies within
a defined tolerance range. The narrower
the tolerance range, the more stable
the platform is at stability.
In the operating menu, under:
appl1:
Perc.wg: 3.11.
you can define whether the value
is saved when “standard stability” is
reached, or only at “increased stability”
(narrower tolerance range. If you select
“At increased stability,” the reference
weight saved will be more accurate
and the results more reproducible,
but the response time of the weighing
instrument might be longer.
Accuracy Level for Calculating
Reference Weight
The resolution applied for calculating
the reference weight is defined in
the operating menu under:
appl1:
Perc.wg: 3.9.
The resolution for calculating the
average piece weight is increased if
“+1 decimal place”, “+2 decimal places”
or “With internal resolution” is selected.
With the “+1 decimal place” setting,
the net value is determined to one
additional decimal place (i.e., display
accuracy +10); “+2 decimal places”
increases display accuracy +100, and
so on up to the maximum resolution
available
Display of Results
With the Weighing in Percent
application, the result can be displayed
as a remainder or loss.
Operating menu setting:
appl1:
Perc.wg: 3.15.
Equations:
Residue = (current weight –
100% weight) / * 100
Loss = (current weight –
100% weight) /
100% weight * 100
Minimum Load
The minimum load required for
initialization of the weighing platform
is configured in the operating menu,
under:
appl1:
Perc.wg: 3.6.
Once the limit is exceeded by the load,
initialization can begin. If the load is
too light, the following will occur when
you try to save a value:
– The error code
Inf 29 is displayed
– An acoustic signal (double beep) is
emitted
– The weighing platform is not initialized
– The preset reference percentage is saved
The minimum load required for auto-
matic taring of the container weight
on the platform (“autotare first weight”)
is configured in the operating menu
under:
appl: m.weigh: 3.5.
You can choose from the following
10 levels for this setting:
1 digit
2 digits
5 digits
10 digits
20 digits
50 digits
100 digits
200 digits
500 digits
1000 digits
The “digits” here refer to the scale
intervals in the connected weighing
platform. If the interval of the connected
weighing platform is 1 g, for example,
and 1000 digits are required, you must
place at least 1000 g (=1000 intervals
=1000 digits) on the weighing platform
for initialization.
Weighing in Percent with
Two Weighing Platforms
You can use two weighing platforms
simultaneously with the Weighing in
Percent application. When using two
platforms, you can choose from the
following operating modes:
– Weighing in Percent with two equiva-
lent weighing platforms
– Weighing in Percent with one reference
weighing instrument and one weighing
platform
Weighing in Percent with two
equivalent weighing platforms:
Use this mode when samples of widely
varying weight are measured at one
workstation. For example, measure the
lighter-weight samples on one platform
and the heavier samples on another.
You can define which of the two
platforms is active when the Signum
is switched on. This is configured
in the operating menu, under:
setup: utilit: 8.11.
(main scale)
The main scale is the first platform
active when you switch on the Signum,
regardless of the setting for automatic
initialization of the Weighing in Percent
application.
Weighing in Percent with one
reference weighing instrument and
one measuring platform:
In this mode, a high-resolution
weighing instrument with a relatively
low maximum capacity is used as
a reference weighing instrument. The
measuring platform has a high capacity,
but a relatively low resolution.
This allows you to both determine the
reference weight with high resolution;
i.e., very precisely, and to measure large
samples, without requiring an expensive
high-resolution, high-capacity weighing
platform.
The system can be configured to
switch automatically to the reference
instrument for initialization (the meas-
ured value line shows Ref). Following
initialization, the platform for larger
amounts is automatically activated.
The definition of one weighing
instrument as a reference instrument
is configured in Setup, under:
appl1:
Perc.wg: 3.13.
Application 1: Weighing in Percent L
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