Ricoh FV-G030B1 Exposure Timing with the Positive Polarity Trigger Signal, Input Trigger signal

3.2.2Exposure Timing with the Positive Polarity Trigger Signal

Input Trigger signal					(127 CLK)
			T1
Trigger signal
(With Photocoupler delay
				T1
	Less than	Filtering *Note.1
	5 useconds	30 CLK

T1'

Exposure time

SUB

75 CLK

Exposure time:: T1' = T1 + 127 CLK

SG

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.

3.2.3Exposure Timing with the Negative Polarity Trigger Signal

Input Trigger signal			T1		(127 CLK)
Trigger signal
				T1
(With Photocoupler delay		Filtering *Note.1
		30 CLK
	Less than
	60 useconds

T1'

Exposure time

SUB

75 CLK

Exposure time: T1' = T1 + 127 CLK

SG

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.

FV-G030B1	11/37
User’s Guide Rev. 1.01