ZQ375 Checkweigher User Instructions
35
3.4 Mid375 application
3.4.4 Sample mode checkweighing
Setting a target weight can be done in two ways:
l
Sampling an item of the correct weight
l
Entering a known target weight through the front panel
Sampling Method
1.
Place an item of the correct weight on the scale and press
TARGET
…
The scale will show the target weight and the center
Accept
segment will
light showing the target weight has been set successfully.
2.
Clear the scale and place the next item on the scale …
The bargraph will show the item is under the target weight, over the
target weight or on target.
3.
Repeat step
for all the other items to be weighed.
Manual Target Weight Entry
1.
Empty the scale and press
ZERO
to zero the scale, then press
TARGET
…
The current value for target is displayed.
2.
Use the
Tolerance entry procedure on page 18
to key in a value for target and
press
ZERO
to accept …
The target weight becomes active.
3.
Place an item on the scale …
The weight will be displayed and
OVER
,
UNDER
or
ACCEPT
segments
will light depending on the weight.
4.
Clear the scale.
5.
Repeat steps
and
.
By default in both the quick check and preset target methods, the low tolerance
(
toL-Lo
) is -1 division and the high tolerance (
toL-hi
) is + 1 division. These tolerances
can be adjusted. See
Set New High and Low Tolerances on page 32
When inside the Gross Zero Band, press
TARGET
and you can adjust the target
weight using the
Tolerance entry procedure on page 18
.
If motion is present for greater than 2-3 seconds after the
TARGET
key press, the
target operation will be aborted and the word
cant
will be displayed briefly.
Summary of Contents for ZQ375 Checkweigher
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