Andor Technology Zyla sCMOS 4.2 PLUS, Руководство по оборудованию

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version 2.0 rev 18 Feb 2021
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2.6.2.3 Rolling Shutter Internal Triggering (Non-Overlap Mode)
Internal Trigger Mode allows the user to configure an exposure time and cycle time. For Internal Triggering
Non-overlap mode, the exact acquisition sequence depends on the exposure time and cycle time set as shown
in
Figure 16 . The following diagrams show the behaviour of TTL outputs ‘Fire ’, Fire n ’, ‘ Fire ALL ’ and ‘ Fire ANY ’.
Fire ALL indicates the time period within a frame during which all rows are exposing simultaneously.
Fire ANY indicates the time period within a frame during which any row is exposing
Initially, the entire sensor is held in a global clear state to ensure that there is no charge build-up on the sensor.
Global Clear goes LOW and a frame read out is initiated. This frame is discarded as it does not contain the
correct exposure period. Reading out a frame effectively begins a new exposure. When the exposure period
has completed, a signal frame read out phase begins. When the frame has been read out completely, the
Global Clear is held HIGH until the user-defined cycle time is achieved.
Figure 16: Rolling Shutter Internal Triggering
Table 12: Rolling Shutter Internal Triggering (Long Exposures) Timing Parameters
Parameter Minimum Maximum
Exposure 1 Row 30 s
Cycle Time (1/Frame Rate) Ex 1 Frame + 1 Row 20,000 s
Acquisition Start Delay - 1 Row