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Setting Problems
Section 5-2
144
5-2
Setting Problems
5-2-1
Unable to Set Scaling
Scaling cannot be set in the following cases.
• When scaling is performed outside the measurable range when a
Reflective Sensor Head is used.
• When the distance (or width) of two-point scaling is less than 10% of full
scale (FS).
• When the numeric value for scaling input is extremely small or large.
5-2-2
Unable to Set Monitor Focus
The monitor focus cannot be set when specified distances (or widths)
between two points is less than 10% of full scale (FS).
Set the monitor focus after performing scaling.
It is recommended that the linear output value for display value be deter-
mined using the scaling after setting the display value for actual distances
(or widths).
5-2-3
Unable to Set Threshold Values
Always set threshold values to satisfy the following formula:
HIGH threshold value > LOW threshold value
In addition, the threshold values cannot be set if the PASS judgement can-
not be made because the hysteresis (Hys) is too large and the following
equation is true:
(HIGH threshold value
−
LOW threshold value) < Hys
5-2-4
Unable to Set Hysteresis
The hysteresis cannot be set if the PASS judgement cannot be made
because the hysteresis (Hys) is too large and the following equation is
true:
(HIGH threshold value
−
LOW threshold value) < Hys
Decrease the setting of the hysteresis to eliminate the above condition.
Z157-E1-01C.book Page 144 Thursday, August 31, 2006 5:13 PM
Содержание ZX-CAL
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