PT610, PT620, PT630
Instruction Manual
40
The check-weighing operation is shown in diagram below;
Figure 12.4 - Timing diagram for check-weighing operation.
Product Limit values for Check-weighing
The entry type can be selected as a weight value, deviation from target or percentage of the target in
parameter
[312]
(6.4.1.2). This selection defines the type of SET value as shown below;
Entry type
Target
Low limit
High limit
Unloaded
scale limit
Value
TARGET
LOW
HIGH
EMPTY
Deviation
TARGET
-TOL
+TOL
EMPTY
Percent %
TARGET
-TOL
+TOL
EMPTY
The target (nominal value), low, high and empty range entries should be entered with a weight value in
the units defined for the scale; Tolerance entries should be entered as deviation from nominal weight in
scale units or in percentage.
The descriptions below are considered the value entry type. Follow in a similar way for entry types of
deviation or percentage.
Enter the nominal value and limits by keys
1. Press the
<SET>
key for more than 2 seconds.
2. The current target value is seen on the display as
[ TARGET 1250 kg ]
. Enter the new value
with the numerical keys. Press the
<ENTER>
key to save it or press the
<ESC>
key to return to
operation without saving.
3. The
[ LOW: 1245.6]
prompt will show you the current low tolerance. Enter the new value with
the numerical keys. Press the
<ENTER>
key to save it or press the
<ESC>
key to return to
operation without saving.
4. The
[ HIGH: 1255.6]
prompt will show you the current high tolerance. Enter the new value
with the numerical keys. Press the
<ENTER>
key to save it or press the
<ESC>
key to return to
operation without saving.
5. The
[ EMPTY : 100 ]
prompt indicates the current empty range of the platform. Enter the new
value with the numerical keys.
6. Press the
<ENTER>
key to return the operation after saving the entry or press the
<ESC>
key
to return to operation without saving.