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C5-CS Series User Manual Rev. 1.6
Multi-Frame Readout Mode (NDR)
With the Non-Destructive Readout (NDR) mode it is possible to readout up to 4 images at
different exposure times. It allows the combination of profile data from different
integration levels and it ensures accurate profile data even for difficult surfaces with
strong changes in reflectance.
The following timing diagram shows the function of NDR with 2 frames, when subsequent
sensor images are acquired. The exposure times for NDR frame 1 and 2 are depicted with
It1 and It2 respectively. Please note that the readout of the second frame R2 cannot
begin unless the first frame R1 has been readout. The same applies also between two
subsequent sensor images, i.e. the first NDR frame of sensor image 2 cannot be readout
unless the last NDR frame of sensor image 1 has been readout.
It1
R1
It2
It1
It2
R2
R1
R2
Trigger Sensor
Frame 1
Trigger Sensor
Frame 2
It1
: Exposure Time 1
It2
: Exposure Time 2
R1
: Readout Frame It1
R2
: Readout Frame It2
Frame 1
Frame 2
Summary of Contents for C5-1280CS14-120
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