Checkweighing - Sartorius Signum 1 Operating Instruction

Application 2: Checkweighing O
With the Checkweighing application,
you can check whether the sample on
the weighing platform matches a target
value, or lies within a given tolerance
range. Checkweighing also makes it
easy to fill sample materials to specified
target weight.
Features
Signum 3 only:
– Enter the nominal or target weight
(setpoint) and the tolerance range
delimiters either using the keypad or
by saving the weight value from a load
on the platform.
Signum 3 only:
– Enter the tolerance limits as absolute
values (Min and Max) or as percentages
of the target. Configure in the operat-
ing menu under:
Appl 2 :
check.wg : 4.5.
– The target value can be taken over
as a weighed value from a weighing
upper and lower
platform, and the
tolerance limits are defined as a per-
centual deviation from the target value.
The following percentages can be
selected as the deviation: 0.1%, 0.2%,
0.5%, 1%, 1.5%, 2%, 3%, 5% or 10%.
– The target value, lower tolerance limit
(minimum) and upper tolerance limit
(maximum) can be taken over as
weighed values from the weighing
platform.
– Target and tolerance limits checked
during input; values must conform to:
Upper limit > Target > Lower limit >
1 digit.
– Checkweighing range: either 30%
to 170% of the target, or from 10%
to infinity.
– Results are shown on the main display
and the bar graph and sent to control
output ports for further processing.
– Toggle the main display between
weight and tolerances limits by pressing
w. If the weight on the readout is
outside the tolerance range, "
low) or " HH " (too high) is displayed.
64
– Activate info-mode by pressing I
– Automatic printout of results.
Configure in the operating menu,
under:
Appl 2 :
check.wg :
– Automatic taring of container weight.
Configure in the operating menu,
under:
Appl : a.tare
– Automatic initialization when
you switch on the Signum with most
recently saved application data.
Configure in the operating menu,
under:
Appl : a.start
– Closing application program; deleting
parameters:
You can select the function of the
c key for clearing application data.
When an application is active, this key
can either delete the values saved
for all applications, or delete selected
values saved for the active application.
Operating menu setting:
Appl : sel.cf
(select CF key function in applications)
– Tare function:
1) If you store a tare (weight value) by
pressing the ) key, you can later
enter a tare value manually. The tare
value you enter is added to the stored
tare value.
Setting: menu code 3.25.1 (factory
default)
2) A tare value entered manually over-
writes a stored tare value (weight
value). If you enter a tare value manu-
ally, a tare value (weight value) stored
later overwrites the manually entered
value.
Setting: menu code 3.25.2
Operating menu setting:
Signum 2
Appl : O : 3.25.
Signum 3
Appl : tare. f : 3.25.
– Restore factory default settings. Operat-
ing menu setting:
Signum 2:
Appl : O : 9.1.
LL " (too
Signum 3:
Appl : DEF.App : 9.1.
Checkweighing entails comparing
the current weight value to a defined
target. You can enter the value for this
target using the keypad, or by saving
the weight value indicated. You can
also define upper and lower tolerance
limits based on this target. You can
do this by:
4.6.
: 3.7.
: 3.8.
: 3.24.
– Entering absolute values using the
keypad or placing the desired amount of
weight on the platform and saving the
value, or
– by entering each value as a percentage of
the target weight
The initial application values are valid
until deleted by pressing the c key
or until overwritten by new values.
They also remain saved after you switch
off the scale.
Preparation
§ Switch on the scale: Press e.
§ While all segments are lit,
press the ) key
§ Select the Application menu: Press k
repeatedly until Appl is displayed
§ Open the Application menu:
Press the ) key
§ Select the Checkweighing application:
Press the k key repeatedly until
the desired menu item is displayed and
press ) to open the submenu
Application Parameters: Checkweighing
4.2. Checkweighing range
4.2.1* 30% to 170%
4.2.2 10% to infinity
4.3. Activate Control Line for "Set" as:
4.3.1* "Set" output
4.3.2 Ready to operate
4.4. Activation of Outputs
4. 4. 1 Off
4. 4. 2 Always active
4. 4. 3 Active at stability
4. 4. 4* Active within check range
4. 4. 5 Active at stability within
the check range
4. 5. Parameter input
4. 5. 1* Min, max, target
4. 5. 2 Only target with percent
limits
4. 6. Automatic Printing
4. 6. 1* Off
4. 6. 2 On
4. 6. 3 Only values within
tolerance
4. 6. 4 Only values outside
tolerance
4.7. Checkweighing toward Zero
4. 7. 1* Off
4.7. 2 On
* = Factory setting
§ Press ) to save your settings
and press ( (repeatedly) to exit the
operating menu.