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64
S
E
CT
ION 3
Se
tting
the
Workp
iece
Pos
ition
Detec
tion
M
ethod
Z550
Operation Manual
SECTION 3
Setting Measurement Conditions (Expert Menu)
Compensating for Shift in the Position Direction Using
Reflectance
Specify the edge detection level in order to compensate for position shift by detecting the
reflection from the edge areas. The measurement value at this point is registered as the
reference position; place the workpiece at the correct position before starting the settings.
This function can only be used when [Reflectance] is selected as the detection method.
The edge detection level specified here is also used for edge related measurement items (such as
edge position and width).
1.
Select [Detect set/Reflectance correct/Edge level].
Position direction
Sensor
Edge detection level
Reflectance display
Position registered as the reference
Set this edge detection level at a location where the target edge can be
detected even if the workpiece moves horizontally.
The measurement target lines are automatically adjusted by the amount of
shift detected, and the measurement is performed.
Measurement target lines
Scn 0
䂯 䇭
Set
䂯
Image
Detect set
Meas set
Extra set
Meas mode
Output
Reflectance
䂯
Slant correct
Reflectance
Inactive
䇭䂯
Edge level
Reference
operation.book Page 64 Monday, June 6, 2005 10:19 AM