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Ricoh Gig# Vision VGA Monochrome CCD Camera FV-G030B1 User Manual

Page 12

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FV-G030B1
User’s Guide Rev. 1.02

3.2.2

Exposure Timing with the Positive Polarity Trigger Signal



















Note 1: The trigger signal will be removed by the filtering if the pulse width of the input trigger signal is less than 30 CLK.

Please input a trigger signal with more than 31 CLK pulse width.

Note 2: The exposure will start 105 CLK after the rising edge of the trigger signal.


3.2.3

Exposure Timing with the Negative Polarity Trigger Signal


















Note 1: The trigger signal will be removed by the filtering if the pulse width of the input trigger signal is less than 30 CLK.

Please input a trigger signal with more than 31 CLK pulse width.

Note 2: The exposure will start 105 CLK after the rising edge of the trigger signal.

T1'

SUB

SG

(127 CLK)

Input Trigger signal

Exposure time

Exposure time:: T1' = T1 + 127 CLK

T1

Filtering *Note.1

Trigger signal

(With Photocoupler delay

Less than

5 useconds

T1

30 CLK

75 CLK

T1'

SUB

SG

(127 CLK)

Input Trigger signal

Exposure time

Exposure time: T1' = T1 + 127 CLK

T1

30 CLK

Filtering *Note.1

Trigger signal

(With Photocoupler delay

Less than

60 useconds

T1

75 CLK