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Functional Principle, Technical Data
optoNCDT 1402
Video Signal
3.2.9
The sensor can use different peaks in the CCD array for displacement measuring.
This function is auxiliary, if the sensor measures against glass or transparent targets. See Chap. 8.3.15 also.
Intensity
SMR
Measuring range
CCD array
Displacement 1
Displacement 2
Video signal
Fig. 3:
Programmable Search Threshold
3.2.10
The sensor can use different thresholds to detect a valid peak in the CCD array for displacement measuring.
Intensity
CCD array
Standard
Lower than Standard
Higher than Standard
Highest
Parameters (see Chap. 8.3.16 for parameter setting):
lower than standard
-
Standard
-
higher than standard
-
highest
-
i
Changing the threshold from factory default (standard)
may influence linearity and resolution.