Hamamatsu Photonics C11440-36U, Instruction Manual, Page: 19 / 34

C11440-36U Instruction Manual Ver.1.1
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EXTERNAL TRIGGER MODE 9-4
The camera has various external trigger functions to synchronize the camera with the external
equipment. In External trigger mode, the external equipment becomes a master and the camera
becomes a slave.
• Please contact to Hamamatsu subsidiary or local distributor for the detail of the timing
information.
9-4-1 EDGE TRIGGER MODE
Edge trigger mode is used so that the exposure starts according to an external signal. Exposure
time is set by software command. In this mode, the exposure begins on the edge (rising / falling
edge) timing of the input trigger signal into the camera. The sample of timing chart for the rising
edge is shown in figure 9-4.
Figure 9-4 Edge trigger mode (Rising edge)
*1 Delay + Jitter = 3H (≈ 37.3 µs) + up to 1H (≈ 12.4 µs)
*2 The memory standby time = 10H (≈ 124.4 µs)
Internal exposure time
setting
Exposure start signal
0H
1H
2H
・
・
(LAST-1)H
(LAST)H
Sensor readout
Camera data output
Global exposure timing
output
Trigger ready output
External trigger
Exposure Exposure
*1 *2