M A G U I R E P R O D U C T S , I N C .
Edition: August 5, 2014
41
W E I G H S C A L E B L E N D E R
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component, customers may lengthen the blend cycle time slightly to achieve this higher
level of accuracy.
The Progressive Metering function is used to turn on this function for a selected
component. This sets parameters which will cause the dispense to occur in several
progressively smaller dispenses. This results in a more accurate dispense.
The first dispense targets only 85 percent (the default percentage) of the full required
amount. After careful weighing, each successive dispense targets 50 percent of the
remaining shortage. This continues until the amount reaches, or is within 1 percent of, the
target. In this manner the software "sneaks up" on the target, providing the maximum
achievable accuracy possible.
When Progressive Metering is Enabled, then a component is selected and Enabled, the
corresponding PT and RP parameters are set to PT 00085 and RP 00001.
The Touchscreen Sequence:
Press Progressive Metering (Special Functions, Operating Options, Progressive Metering).
Display will show up to 12 components labeled MAT 1, MAT 2, etc. Display will also show a radio
button to select (Enable) or deselect (disable) Progressive Metering. Press this radio button to Enable
System Progressive Metering.
Select the component that you want to enable for Progressive Metering. The Display will show
Device 01 (or Device 02, etc) and the First Try % adjustable with the arrow buttons. Also shown will
be a radio button to select (Enable) or deselect (disable) Progressive Metering for this component.
Press this radio button to Enable System Progressive Metering.
You may change the 85 by entering a different number using the arrow keys. Too low a setting will just
add time. Too high will cause occasional overshooting.
Press EXIT when done to save new settings.
Close Weigh Bin Operate Twice –
Weigh Bin Double Dump
Select Optional: Operate Twice option to cause the weigh bin dump valve to operate two
times. We call this a "double dump". If you have problems with material hanging up in the
weigh pan, this may help shake it loose. Select Optional to operate Dump the dump valve
twice. Select Standard to operate the Dump valve once. Press EXIT when done.
Special Features
Enable Special Operations
Enable BATCH Mode -
This option allows you to blend a PRE-SELECTED WEIGHT of material, and then
STOP running and sound the ALARM. The process may also be programmed to sound the alarm but continue
running. Since each cycle will always blend a full weigh bin amount, the total amount blended may exceed the
target batch weight by up to one cycle's blend weight.
When Enabled a new button labeled
BTCH
will appear on the Main display Screen of the controller.
The ALARM SILENCE button on the display is the ONLY way to CONTINUE OPERATION after a BATCH
amount has been run.
Assuming BATCH Mode is enabled:
Press the BTCH key once to view the desired BATCH WEIGHT.
Summary of Contents for Weigh Scale Blender WSB
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