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CV-L105
6.2. Trigger modes
Internal Trigger. Scan mode.
The camera will operate continuously with
its internal trigger.
LEN
Data out
Exposure
Exposure time = SCAN value
LEN
Data out
Exposure
Exposure time = SCAN value
The exposure is equal to the scanning time
set by the SCAN parameter via RS-232C only.
SHUTTER parameter has no meaning here.
SCAN value 150 µs through 32.5 ms.
Internal Trigger. Shutter mode.
The camera will operate continuously with
its internal trigger.
LEN
Data out
Exposure
Exposure time
= SHUTTER value
Scan interval = SCAN value
LEN
Data out
Exposure
Exposure time
= SHUTTER value
Scan interval = SCAN value
The scanning time is set by the SCAN
parameter via RS-232C only.
The exposure is set by the SHUTTER
parameter via RS-232C only.
SCAN value 150 µs through 32.5 ms.
SHUTTER value 1 µs through 32.35 ms.
External Trigger. Scan mode.
For every EXT TRIG input the ongoing
integration period is terminated and charge
is read out. At the same time it starts a new
cycle.
LEN
Data out
Exposure
Trigger
Exposure time
LEN
Data out
Exposure
Trigger
Exposure time
The exposure time is therefore dependant of
the line rate.
SHUTTER and SCAN parameters has no
meaning here.
Trigger pulse width (high period) >4 clk. *)
Trigger interval >2120 clk to ∞
External Trigger. Shutter mode.
The exposure time is governed by the low
period of the EXT TRIG signal. Exposure starts
at the falling edge of the EXT TRIG signal and
ends with the rising edge. The integration
time is independent of the line rate.
Data out
Exposure
Trigger
Exposure time
Data out
Exposure
Trigger
Exposure time
SHUTTER and SCAN parameters has no
meaning here.
Trigger pulse width (high period) >4 clk. *)
Exposure time (low period) >2102 clk to ∞
*) 1 clk is 33.3 ns for 30 MHz clock
1 clk is 66.6 ns for 15 MHz clock
Fig. 11. Internal and external trigger modes.
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