113
Operating the Scale
Checkweighing H
Purpose
This program is used to check
whether a sample corresponds to a
pre-set target value or is within a
specific tolerance range. In addition
to the display in the measured value
line, the results are shown on the bar
graph and can be routed through
the interface port via control lines for
further electronic processing.
You can use this application in
combination with any program
chosen from Application 1 (such as
counting, weighing in percent) and
one from Application 3 (totalizing,
formulation, statistics).
Available Features
– Optional configuration in the Setup
menu for long-term storage of
target value and tolerance limits
– Optional scale configuration in the
Setup menu for automatically
initializing this application and
loading the values stored in long-
term memory for the target value
and the upper and lower tolerance
limits when you turn on the scale
– You can perform checkweighing
– without entering a target value,
but only upper and lower
tolerance limits;
– as differential checkweighing;
– with symmetric or asymmetric
limits which can be entered as
percentages
– Enter the target value and limits
by placing a load on the scale or
using the numeric keys
– Control parameter in entering
target and tolerance values, so that
the upper limit ≥ the target ≥ the
lower limit ≥1 display increment
– Accuracy of a weight readout or
keyboard input as target/tolerance
values corresponds to the display
accuracy
– Optional scale configuration in the
Setup menu for automatic
output to the interface port (print
application parameters) of
the target value and tolerance limits
when initialization is completed
(... Auto print upon initialization:
All values)
.
– Control range for the scale’s data
output port lines is 30% to 170% of
the target value
– Optional configuration in the
Setup menu for activation of control
lines dependent on weight value
(weight value within checkweighing
range, stability reached)
– Toggling the display between
weight readout and checkweighing
display by pressing the
corresponding soft key. If the
weight value exceeds tolerances,
the line for measured values shows
the weight while the checkweighing
display shows »LL« for »too low« or
»HH« for »too high.«
– Press the Show soft key to display
target value and tolerance limits
in the text line after initializing
the application.
– Weight value in bar graph
displayed in relation to upper and
lower limits and target value
–»OK« transaction counter displayed
in the text line (e.g., n = 4),
if selected (Checkweighing: Auto-
matic printout of OK values: Yes).
This counter shows the number of
measured values that lie within the
tolerance range.
– Optional automatic printout of
the weight value when it is within
the control range at stability
After an automatic printout, the
printing of OK values is blocked.
Before you can generate the next
printout, you must unblock the scale
by unloading it (weight must be
under 30% of the target) or by
placing a load on the scale
(bringing the weight up to at least
170% of the target).
– Initialization parameters are
overwritten after the
Param. soft
key has been pressed
– Press c to delete the initialization
parameters and end the Check-
weighing program
Factory Settings
Activation of port lines:
Within
checkweighing range
Type of checkweighing input:
Target, minimum,
maximum weight
Weight display mode:
Absolute value
Automatic printout of OK values: No
Soft Key Functions
Param. Begin input of target and
tolerance values
Show
Display target and tolerance
values in succession during
checkweighing
LLHH Toggle to checkweighing
display (»LL« for too light
and »HH« for too heavy)
Diff. Display difference
between current value and
target
Net Display net weight
Start Start checkweighing
Auto Print Checkweighing
With the over/under checkweighing
application, you can have the result
printed automatically as soon as the
weight lies within a defined range.
N + 153.00 g
Setp + 180.03 g
Min + 160.05 g
Max + 200.06 g
N + 165.14 g
N: Net weight
Setp: Target weight
Min: Lower limit
Max: Upper limit
N: Printout of “OK” values
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