HIGH SPEED DIGITAL WEIGHT INDICATORS
52
EXAMPLE: SCALE CAPACITY OF 5000 lbs, 0.5 lb GRADUATIONS.
THE FASTEP FILTER THRESHOLD VALUE IS 8
GRADUATIONS (= 4 lb).
1. At zero, the scale is stable in Main Filter mode. A 200 lb man jumps on
the scale.
2. The rapid increase in weight causes the M2000 to go into Faststep mode,
bypassing the Main Filter and displaying a quick jump to 200lbs.
3. When the final weight is settling, the M2000 returns to Main Filter mode.
Slight movements (resulting in small weight changes) will be masked by
the Main Filter.
4. If a 2 lb weight (less than Threshold Value) is placed on the scale,
Faststep will not kick in and the weight change will be a little slower. The
time needed for this change is a function of Parameter 41.
5. If a 5 lb weight (greater than Threshold Value) is placed on the scale, the
M2000 will briefly enter Faststep Mode and the weight will change
quickly.
6. The man starts moving around. Every step exerts 10 lbs of force on the
scale. At the default values above, reading a weight would be virtually
impossible.
7. Changing the Main Filter Setting to average out these changes in weight
will be ineffective, since the M2000 currently switches to the Faststep
Filter when the weight suddenly changes more than 4 lbs.
8. To achieve a stable weight display, we want the M2000 to remain in Main
Filter Mode while the man is on the scale.
9. Set the Faststep Filter Threshold value (Parameter 42) to 24, resulting in
a threshold of 12 lbs (24 x 0.5 lbs). Note this is greater than the weight of
the man’s steps.
10. At these values, the man’s steps will not trigger the M2000 to switch to
Faststep Filter Mode. The 10 lb steps will be filtered out by the Main Filter
and the weight display will be stabilized.
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