ARTRAY ARTCAM-130MI-NIR Інструкція з експлуатації - Сторінка 5

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4-3 EXTERNAL TRIGGER

1. Timing
TRIGGER
VD
HD
PCLK
Remark1 : T is the time required for reset. Time required for each model is as below.
Start reset from trailing edge of trigger terminal.
ARTCAM-130MI ---> 70msec approx.
ARTCAM-200MI ---> 100msec approx.
ARTCAM-300MI ---> 170msec approx.
(These values are for dafault resolution)
Remark2 : The actual time for capturing is at least twice as long as the time
indicated in Remark1 (@ 8 bits).
T2 is the transfer time. IsCaptureFinish() is returned when T2 is completed.
2. External trigger hardware
Remark3 : Serial NO0963 has been altered to photo-isolation type as below.
The following is the internal equivalent circuit.
External trigger
10K
GND
T = Reset Time
VCC
PC841 photo coupler
T2
2.4K
-5-
Standard Frame Timing
External BNC connector
Input 12 24VDC
Current in either direction