805.27
K-Commander Loss-in-Weight Programming
Rev: G Produced by the K-Tron Institute
Refill Setup Procedures
Setting "Refill
Complete"
This procedure will permit initial setting of the Refill Complete entry.
You can trim the setting after you have run the system to optimize
system performance.
Step Action
1 Determine the material bulk density , ex, 0.64 kg/L
or 40 Lb/ft
3
2
Measure the feeder hopper volume, e.g. 140 L, or 5 ft
3
3
Multiply volume by density to get maximum hopper storage
capacity(MHSC). e.g.: from step 1 &2,
MHSC = 0.64*140 = 89.6 Kgs or 40 * 5 = 200 Lbs.
4 Determine the net available weight capacity(NAWC) by:
NAWC = Scale Gross Weight Range - Tare
You will find these values on page Mcn.05.
ex: Scale Range = 264 Lbs, Tare = 122 Lbs, 120 Kgs, 55.35 Kgs
NAWC = 264-122 = 142 Lbs or 64.4 Kgs.
5 Use the smaller of the two calculated values. In this example,
the hopper can hold more weight than the scale can support.
Use the scale capacity number NAWC.
NAWC = 142lbs or 64.4 Kgs, MHSC = 200 lbs or 89.6 Kgs,
therefore use NAWC value to set refill maximum.
6 Take the value from step 5 and multiply it by 0.7. This is the
initial value you program into the controller for Refill
Complete Weight.
7 Run the system and use trial an error to optimize the Refill
Complete point so that you do not overfill the hopper or
overrange the scale system. Good luck.
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