51
Z550
Operation Manual
S
E
CT
ION 3
Ch
angi
ng th
e Sen
s
itiv
ity
Adjus
tmen
t Me
thod
SECTION 3
Setting Measurement Conditions (Expert Menu)
Changing the Sensitivity Adjustment Method
If the measurement results fluctuate, change the sensitivity adjustment method.
The default sensitivity adjustment method set at the time of shipment is [Multi].The [Multi] setting is
sufficient under normal circumstances.
When Selecting [Auto]
1.
Select [Image/Sensitivity].
The selections for sensitivity adjustment appear.
2.
Select [Auto].
The setting will be registered and the screen display returns to
1
.
Option
Meaning
Minimum sampling
time
Auto
Sensitivity is adjusted automatically based on the sensitivity within
the measurement region, and then the measurement is made.This
method is suitable when the brightness of the workpiece surface is
constant.
119.52 ms
Fixed
The measurement is made with the fixed level of sensitivity
specified.(Setting range: 0 to 31)
This method is suitable when accurate measurements cannot be
made with [Auto], for example for lines at which workpieces of
various colors are fed alternately.
99.6 ms
Multi
(Default setting)
Sensitivity is adjusted according to the sensitivity information of each
line within the measurement region.
This method is suitable when the brightness of the workpiece surface
fluctuates to a large degree. Position a reference workpiece and
select [Multi]. The Controller will automatically set the upper and
lower limits of sensitivity on the basis of the brightness of the
reflection from the reference workpiece.
99.6 ms
Image
Detect set
Meas set
Extra set
Meas
mode
Scn 0
䂯 䇭
Set
䂯
Meas method
Region
Sensitivity
Details
Auto
Fixed
Multi
operation.book Page 51 Monday, June 6, 2005 10:19 AM