24 Pantera 1M60 and 1M30 User’s Manual
DALSA 03-032-10033-09
Mode 6: External Frame Rate and Internal Exposure Time
This mode differs according to the trigger rate and the exposure time setting. However,
the following rules apply to any condition:
• Any additional external triggers occurring during the exposure time will be ignored.
• All non-ignored external triggers will pulse an electronic shutter to dump any current
exposure data at the start of the trigger pulse and start the exposure time.
• At the end of the exposure time, the collected data will be transferred to the readout
area only if it is not already in the process of reading out. If readout is already in
process, the exposure time will be extended until the readout is finished, as is
illustrated in
Example 6.
Example 5: Trigger Period is Repetitive and Greater than Read Out Time
Exposure Time
FT
External Trigger
CR
Readout
FT
5μs
Exposure time set by internal
programmable register
Example 6: Trigger period is Nonreptitive and Occasionally Shorter than Read Out Time
Ex po sur e Ti me Ex po sur e Ti me
FT
CR
Programmable Peri od
Readout
Exposure time has been ext ended to
correspond with readout time
Ext er nal
Tr i gge r
Ex t er nal
Tr igge r
Ignored
Tr igge r
Ignored
Tr i gge r
Note: The Pantera
1M60 and 1M30 do not
use Mode 5.
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