Camera Operation Modes; Frame Rate Calculation - Hamamatsu Photonics C11440-42U30 Instruction Manual

Orca-flash4.0 lt plus, digital cmos camera
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C11440-42U30/C11440-42U31 Instruction manual_Ver.1.2
9-3-2

Camera operation modes

W-VIEW Mode can work with Free running mode, Edge trigger mode, Level trigger mode,
Synchronous readout trigger mode and Start trigger mode. The exposure time can be set
independently for the top and bottom areas with Free running mode, Edge trigger mode and Start
trigger mode.
Please refer to 9-3-5 [Timing chart of camera operation modes] about the detail of timing
Note
chart of these modes.
9-3-3

Frame rate calculation

The calculation formula of frame rate and the value of frame rate are as below.
■ Calculation formula
Vn
= Number of vertical line (Size of the area of one side)
Exp1 = 3 ms to 6 s
1H
= 32.4812 × 10
Free running mode
External trigger mode (Edge/Level)
External trigger mode (Synchronous readout)
■ Value of frame rate
Horizontal width
× Vertical width
2048
1024
512
256
128
64
32
The calculation formula of frame rate and the value of frame rate for Rapid Rolling Mode are
Shown in next page.
36
-6
The Exp1 value has to be input to the calculation formula below in units of seconds.
Free running mode
30
60
120
240
481
962
4
7696
1/(Vn×1H)
1/(Vn×1H+Exp1+1H×10)
1/(Vn×1H+1H×18)
External trigger mode
(Edge/Level)
27
50
85
133
185
229
289
(fps)
External trigger mode
(Synchronous readout)
29
58
112
210
375
615
1399

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