WEIGH SCALE BLENDER® - Maguire Products
WEIGH SCALE BLENDER® - Maguire Products
WEIGH SCALE BLENDER® - Maguire Products
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<strong>WEIGH</strong> <strong>SCALE</strong> <strong>BLENDER®</strong><br />
MAGUIRE PRODUCTS, INC.<br />
Special Instructions for Selected Models<br />
This section relates SPECIAL information about a few selected models.<br />
MICRO PULSE<br />
Micro Pulse valves are available on models:<br />
WSB MB<br />
with optional VERTICAL VALVE MICRO PULSE valves.<br />
WSB 122 / WSB 140m2 with optional SLIDE GATE MICRO PULSE valves.<br />
WSB 131 / WSB 140m1 with optional SLIDE GATE MICRO PULSE valves.<br />
WSB 140Rm1 / WSB 140Rm2 with optional VERTICAL VALVE MICRO PULSE valves.<br />
WSB 240Rm1 / WSB 240Rm2 with optional VERTICAL VALVE MICRO PULSE valves.<br />
WSB 440Rm1 / WSB 440Rm2 with optional VERTICAL VALVE MICRO PULSE valves.<br />
These models may use our "MICRO PULSE" metering system for Color and Additive components.<br />
PULSED OUTPUT parameters control the on/off timing, or pulsing, of the valves. The controlling<br />
parameters are the "_PO" component parameters.<br />
When set to 00000, normal slide gate operation occurs. When set to a value, such as 03030, power will<br />
pulse ON then OFF, at 30 interrupt time intervals each way. This ON/OFF cycling will repeat for the<br />
entire dispense time.<br />
When using a MICRO PULSE valve, you must set the related _PO parameter to 03030.<br />
If overall blender throughput is too low, you may increase the metering rate of each Micro Pulse device<br />
by adjusting the cylinder airflow control valves for higher flow rate. This causes more rapid movement<br />
of the cylinder, ejecting more pellets per pulse. The drawback is noisy operation.<br />
We recommend air flow be adjusted for quiet operation, but assuring full valve movement per on/off<br />
cycle. We have already done this. No further adjustment should be necessary.<br />
The approximate correct airflow adjustments are:<br />
At nose of cylinder, 1.5 full turns out from full closed.<br />
At rear of cylinder, 2.5 full turns out from full closed.<br />
MICRO BLENDER slant valves, adjust by sound.<br />
On fixed hoppers with horizontal micro pulse valves, CLEAN OUT of the hopper can be accomplished<br />
by opening the "clean out" port provided under the valve. Turn to one side to allow material to drain.<br />
MICRO PULSE - ACCURACY<br />
All MICRO PULSE valves are more accurate if the associated PT parameter is set to 00090. Read PT<br />
parameter in the PARAMETER section.<br />
PROCEED TO: NORMAL OPERATION NEXT PAGE<br />
Edition: March 24, 2008 28
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